The spark advance in a 10,000+ hp nitro-burning engine is typically as follows: Idle/staging is typically 55 degrees to ignite the cylinders with a rich idle mixture. Gas mileage was also down a bit and idle was a bit rough. Brand new Standalone LS2 / LS3 swap (drive by cable) wiring harness. These parameters control the desired idle RPM and the behavior of the Idle Air Control (IAC) motor or Electronic Throttle Control (ETC) during idle conditions. Cam Motion's Mild Performance camshafts are designed for enthusiasts who want a nice power increase while maintaining excellent drivability. com is to show you just how great of a fuel ethanol can be. 99 page 1 of 3: checking the map signal with a multimeter. 3) Check Engine Light. On top of that, here are two mods for the LS3 engine that will take some skill, but will add more than 100 hp to your crate LS3. Shop Camshaft and Valvetrain parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Learn about this problem, why it occurs, and how to fix it. How do we adjust an engine's idle speed? In the past, adjusting an engine's idle speed was easy. These values are just for reference it is still required to tune your ignition timing. Manufactures have removed these. The outlet sensor on the factory supercharged engines is a 2. 524-inch lift, 204/211-degree duration, 117-degree lobe-separation angle(LSA). I have a 5. 1995 Ford L7000 Diesel Axl Assembly Differential Gear Heavy Duty Dually Rear End. Then, we test each profile i. My issue is with cam timing and ignition timing. Want proof? We had variable valve timing cams 18 months BEFORE anyone in the aftermarket. I triple checked the timing marks lined up before and after engaging the auto tensioner. If you are getting a code 34 you should look for a collapsed or blocked vacuum line going to the MAP sensor or electrical problem between the ECM and sensor. If your car remains idle for extended periods of time, it means you have a bad valve guide seal. Edelbrock is the most respected name in performance! Since 1938, Edelbrock has manufactured its core products in the USA for quality and performance. Manufactures have removed these. I need to know weather to advance the cam or retard it in order to increase idle vacuum and reduce the ignition timing advance from 16 deg. Rotate the distributor body clockwise until the points just begin to open (make sure the rotor is pointing to the #1 piston) A test lamp is helpful for this operation. These features are in addition to the existing 12V activated timing retard, programmable step retard, launch retard and RPM rev-limiters from its predecessor. Notice a setting that looks out of placelike a typo at 239/. 546 107 117 2500-6000 rough 853-16 b,n. Too much advance may lead to tip-in throttle knock (detonation) and unstable idle speeds. FAST GM LS1 Idle Air Control (IAC) Valve 307059. Your choices for Valve Lift and Duration are limited. Symptoms of a Bad or Failing Crankshaft Harmonic Balancer. The outlet sensor on the factory supercharged engines is a 2. Creates an artificial air leak and the throttle plate can cover the idle slot better. • Modify the table according to your combination (in this case we set all cells to 31 degrees, which is exactly how timing was set up before we began the EFI conversion. LS3 is used in manual version SS models. +8-12 HP (stock LS3, L99) How many products can actually make that claim and back it up? Only Vararam! From Idle to max RPM, increases power and Torque across the entire curve!. The LS 376/525 crate engine was developed for the high-rpm world of Circle Track racing - see race engine images, dyno specs, installation info and more. The GM engineers got this one spot on! Equipped with the factory LS3 intake and FAST 92mm throttle body, the cammed 6. What do most guys set for start up and idle timing etc. Step 12 - A rare occurrence, but it does happen, if everything has not helped an engine hesitation and low power and the ignition system is suspect, remove the harmonic balancer to inspect the wood-ruff key. GM > Engine > Idle > Idle RPM. This table is provided to give a general idea of the BALLPARK spark advance that a typical combination desires. The place for Innovation, not Imitation. All custom cams are individually ground and are subject to availability. Just want to make sure my base tune is in the ballpark. Rotate the injection pump to increase or decrease engine timing as needed. • Camshaft • Lifters • Timing Set • Pushrods • Valve. Already have new distributor, and the engine is factory spec. idle the pcm has a number of parameters that influence the idle behavior of the engine. All the pulleys and auto tensioner are brand new. Also to note, idle timing in the LS1 vintage could settle in at 25-30 degrees while the subsequent LS2/LS3/LS7 head setups (require less timing) will command only about 13-22 degrees. See Dyno Chart. 7 rocker 115. With all of the same great components as the LS3, but with an additional 50 horsepower, the new LS 6. Apr 24, 2013 · I'm using an LS3 valley cover instead of the 4. Overall length is approximately 35 inches. Most often run in LS1/346's and LS3's. 605" - 114 LSA. A computer is adjusting the idle speed, based on complex calculations. I am not having any problems it just seems low. The only difference between a timing belt and a chain is that belts are made out of rubber, while timing chains are metal chains. < 1997 & later 4. A centrifugal blower won't fix the. ) after bottom dead center and alter the intake valve opening point to set the idle quality. These values are just for reference it is still required to tune your ignition timing. Anyone with an LS3 (mine is the LS3/480 crate) that is willing to share their ignition timing table & what air/ fuel ratio you run at cruise, idle, and WOT? I am using Holley HP instead of the factory ECU. I gotta think the oil pump is ok, due to the fact that idle pressure is fine when the engine/oil isn’t hot. more if you have answers to what your engine and driveline consist of. Ok wanted to test this screen capture software and new mic, they will get better! But so yeah decided to make a how to tune idle speed on your Gm Gen lll LS series engine. mid 13s AFR should be fine for batch fire on a v8. 130 piston hastings rings. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions. Buy Michigan Motorsports LS Rocker Arm Trunion Upgrade Kit - Fits GM LS1 LS2 LS6 LS3 4. I also saw 140F IAT with the sensor behind the radiator. Though this can happen to any car, many GM owners have reported such a failure. When this occurs slack in the chain tends to jerk and the plastic timing chain guides can break. Design Custom Four Valve Heads. By working off of the LS' 24-tooth reluctor wheel (MSD's 6LS-2 works off of the 58-tooth wheel), the 6LS box handles your LS engine's timing (not fuel) and can either be programmed with different. ) • Click Save. ) after bottom dead center and alter the intake valve opening point to set the idle quality. Ai 224 / 230 -. Got better here and there but is back. Manual transmission only. 1-225-926-6110 [email protected] 6) Idle speed set too fast & mixture is too lean (common) 6) Richen up the idle mixture, reset the idle speed to factory specs. In addition, we are Master Dealers for: MSD Pro Magnetos, Hunt Vertex Magnetos, SuperMag Magnetos, Milodon Gear Drives, RCD Engineering, Ted’s Zoomie Headers. He is an HPTuners member on this site. FAST GM LS1 Idle Air Control (IAC) Valve 307059. Intake and exhaust port flow is significantly improved over conventional 2-valve heads for improved drivability, idle quality, and torque compared to a high lift 2-valve design. Have got the funds already to go 4. Our EFI 24x™and EFI 58x™ Product Lines bring Gen III LS1 PCM control and Gen IV LS3 ECM control to these popular engines. Comparable to popular Crane 227 cam and GM 845 cam. 0L 470HP Carbureted Crate Engine OSS-. To maximize torque in the mid-range in a truck cam, aftermarket manufactures close the intake valve at about 35-40 degrees (@. It comes with a large dose of 'murica and full of bald eagles!. FAST GM LS1 Idle Air Control (IAC) Valve 307059. The Hot Cam adds Heat to the LS3. A misfiring cylinder in a four-cylinder engine is, pardon the pun, hard to miss. This camshaft is designed to make more power than the stock camshaft , even in the lower RPM band! This camshaft is a perfect option for customers wanting a very streetable setup that has a slight lope at idle. 620 lift with 1. The reset did nothing. 1-225-926-6110 [email protected] We have all noticed the different sounds of performance cams, with the distinct lopes or rough idle. +8-12 HP (stock LS3, L99) How many products can actually make that claim and back it up? Only Vararam! From Idle to max RPM, increases power and Torque across the entire curve!. Be careful when adding timing advance at idle and only add a little at a time. But it isn’t good, the bits from the tensioner can be scattered around the engine. 4-Into-1 header. Stock timing? This is a discussion on Stock timing? within the General Help forums, part of the LSx Technical Help Section category; Can some one please tell me what is the factory ignition timing for a 01 WS6?. It was just doing it while in gear at stoplights, but now does it while idling in park. Lincoln Check Engine Light Codes. If required, set the idle adjustment on the carbuetor so that the engine idles smoothly. Home About Cam Motion Returns and Refunds Contact. The cam all but dictates the character or personality of the motor. 2L engine can take a little more cam than a 5. NA LS3 Stage 3 Cam - Full Bolt Ons 478hp 447tq. For LS3 vehicles, you can either go back in with a single-bolt camshaft or convert to the three-bolt camshaft design that the 1997-2006 LS-based vehicles use. This table is provided to give a general idea of the BALLPARK spark advance that a typical combination desires. LS1/2 Stage IV Cam 235/242. These parameters control the desired idle RPM and the behavior of the Idle Air Control (IAC) motor or Electronic Throttle Control (ETC) during idle conditions. L99 camshaft is different — having a little less duration and a little less lift, both of which give the engine a smoother idle. Altering the cam timing by advancing or retarding the ICL can fine tune where the power comes on in the RPM band. The IAC is a pcm controlled stepper motor location the throttle body, just above the TP sensor. And, it is all done automatically! VVT becomes an issue when swapping a cam: Piston to Valve Clearance can be a problem. But it isn't good, the bits from the tensioner can be scattered around the engine. dhrc 4032 - 4. Street rod headers, exhaust headers. 050 lift -. If the idle becomes unstable, try raising the idle timing advance if necessary. Oct 09, 2012 · This will keep the idle fuel adjustment easier to tune and also keep engine from running on when shut off. Most stock street engines call for 6 to 8 degrees of initial. A misfiring cylinder in a four-cylinder engine is, pardon the pun, hard to miss. Higher then 25 degrees net a small hp increase and have seen reduction in torque numbers. Additional service information not included in this document can be found from your Chevrolet Performance Parts dealer under the GM 2014 Police LS3 RPO for all components except those noted below. To adjust the timing at idle the base spark tables are the easiest place. LS3 is used in manual version SS models. Nov 18, 2015 · Removing the timing cover and checking that the timing marks line up is one of the first things to do. In the world of drifting, power is something drivers don't always feel like they have enough of. It was later installed in Chevrolet and GMC trucks and SUVs. Idles stable around 675 RPM, and is very strong off idle to 6600 RPM. Upgrading to Gen III LS-Series PCM: Sensors and Inputs Guide includes instructional photos, checklists, and step-by-step instructions on upgrading to the GM Gen III LS-Series PCM, ECM, Electronics, and POWERTRAIN CONTROL SYSTEMS. Home About Cam Motion Returns and Refunds Contact. This table is provided to give a general idea of the BALLPARK spark advance that a typical combination desires. 0L 364CID crate engine makes 470HP and 455 ft-lbs with a lopey idle street cam. LS3 Idle speed Discussion in 'VF Holden Commodore (2013 - 2017)' started by berlina411, Feb 7, 2018. The LS3 is an "old school" overhead valve engine with two valves per cylinder that can't make power by revving high in comparison to double overhead cam V-8's like BMW's S65 V-8. Vacuum leaks are another common source of timing and fuel mixture problems. YourMechanic. I don't know if your Predator will let you adjust idle timing, but HPt will, and if you use the scanner/realtime editor you can run the timing up and down until it sounds the way you like, then go over to the editor and change it to the value you found. 3 timing cover from a non AFM & VVT 09 Silverado. Page 34: Troubleshooting / warning. NOTE: Vacuum readings will vary according to the altitude in different localities. Comp Cams Xtreme Camshafts for your 2008-2013 C6 Corvette V8 6. Re-tighten the bolts after adjustment. For Audi A8 Quattro 97-99 Timing Belt Kit Pump Tensioner Rollers Thermostat. The guys from Crane deleted all of the Active Fuel Management and Variable Valve Timing components, and completed the LS3 conversion by installing a stock LS3 cam along with a set of Crane's performance valve springs to handle the higher lift of the bigger cams when it came time to test them. Already have new distributor, and the engine is factory spec. Thanks in advance 2014 Silverado LT Z71 5. Converting a Truck LY6 Engine into an LS3 for More Power In case you haven't been keeping up on current events, junkyard LS engines are all the rage. tl* the contact owns a 2010 chevrolet camaro. It was just doing it while in gear at stoplights, but now does it while idling in park. The spark advance in a 10,000+ hp nitro-burning engine is typically as follows: Idle/staging is typically 55 degrees to ignite the cylinders with a rich idle mixture. Jan 27, 2019 · Dan Ferrell writes about do-it-yourself car maintenance and repair. And, it is all done automatically! VVT becomes an issue when swapping a cam: Piston to Valve Clearance can be a problem. Using a brand new LS3 crate engine, we started from scratch to build the most powerful LS3 camshafts available in the country. Upgrading to Gen III LS-Series PCM: Sensors and Inputs Guide includes instructional photos, checklists, and step-by-step instructions on upgrading to the GM Gen III LS-Series PCM, ECM, Electronics, and POWERTRAIN CONTROL SYSTEMS. idle the pcm has a number of parameters that influence the idle behavior of the engine. LS3 engines are also being used in the new 2010 Camaro. Vacuum leaks are another common source of timing and fuel mixture problems. A computer is adjusting the idle speed, based on complex calculations. It can also retard the valve timing for more top-end power. Page 2 of 2 < Prev 1 2 You are forgetting variable valve timing. The LS3 bore was increased to 4. A poor idle is common with a jumped chain, though the age suggests otherwise. The Idle timing is shown by the triangular hazing up on the flat of the ground strap and without even looking at the distributor specs I can tell you that the timing on this SB Mopar is about 18-20 initial and 34 total. Each cam is a custom grind manufactured to the closest tolerances by Comp Cams. Jun 22, 2012 · My original problem with my 2004 Silverado 5. If your car remains idle for extended periods of time, it means you have a bad valve guide seal. Oct 22, 2016 · Idle Return: If the engine is not returning to idle quick enough for your liking or is dropping too quickly and killing the engine then you may need to adjust the rate at which the injection system comes to an idle. If the idle becomes unstable, try raising the idle timing advance if necessary. He has certifications in automation and control technology. E950 ECU Does not support the factory GM idle speed stepper. Calculate Camshaft Overlap From Lobe Centers and Duration. Re-tighten the bolts after adjustment. By working off of the LS' 24-tooth reluctor wheel (MSD's 6LS-2 works off of the 58-tooth wheel), the 6LS box handles your LS engine's timing (not fuel) and can either be programmed with different. Will the stock 5. HP tuners? It would be great to have. Lingenfelter has produced some of the best street camshaft profiles available for the LS1, LS2, LS3, LS6 engines. Chevrolet LS Valve Coil Covers Aluminum LS1 LS2 LS3 LS6 LS7 5. Also helps idle quality. I am not having any problems it just seems low. 1967-75 Camaro engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. Make sure you restore it to stock when you are done tuning. IDLE TUNING The following is a collection of idle tuning notes, tips 'n tricks and How-2's for idle tuning a big cam (or any cam for that matter) that I used when dialing in my 248/254,. MoPar did this trick back in the early emissions days. With all of the same great components as the LS3, but with an additional 50 horsepower, the new LS 376/480 is ready, willing, and able to answer your call for a new LS crate engine. New features of the LS Ignition include; high speed data acquisition, an optional coolant temperature sensor input, idle timing control, as well as individual cylinder timing. Power to spare. You probably don't realize how important the PCV system—the Positive Crankcase Ventilation (PCV) valve and its related components—is to the well-being of your engine. When you change a cam, it's not quite apples to apples in all aspects but I like to at least match the injection to valve timing events (not just at idle either). For LS3 vehicles, you can either go back in with a single-bolt camshaft or convert to the three-bolt camshaft design that the 1997-2006 LS-based vehicles use. 30 upper pulley upgrade Metco 100mm idler belt slip, best lowest sale price at WEAPON-X Motorsports. Look for engines from a 2010 - 2015 camaro with a manual transmission. It has now grown to 5 or more engine types and over 50 conversion kit options to suit your project. 1982 911 sc engine idle speed adjustment "03" 996 C2S-LS3 V8-480 HP timing, mixture and idle speed as stated above. But I did ohm it out and got 11 ohms. Seats, Seals and a Heavy Duty Timing Chain. 2000 Montero Premium Timing Belt & Water Pump Kit V6/3. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. the manufacturer was notified. How to correctly and easily adjust your engine's valve lash. If all is working properly, the timing grove on the balancer should be present somewhere in the timing tab region when the timing light strobes on. I would need a better picture of the threads to determine the heat range. At high rpm’s it may retard timing to maximize. Ok wanted to test this screen capture software and new mic, they will get better! But so yeah decided to make a how to tune idle speed on your Gm Gen lll LS series engine. VVT gives you the best of both worlds. A centrifugal blower won't fix the. If the layers separate or slip, the timing marks, which are usually stamped into the front of the pulley, can shift and. are two-stroke engines making a comeback? - carandbike. Yamaha 2012 V Max Sho 250 Vf250 La Oem Timing Belt Idle Pulley Idler. 0 CL This camshaft is a great supercharger camshaft for the ZL1 or CTS-V customer looking for an aggressive muscle car sound. If you can only start the engine when your foot is on the accelerator, you probably have a MAP sensor problem. Vac leaks also result in false lean best idle settings which takes all the good points of the Weber away in a hurry. Pre-wired to connect directly to OEM 7 Pin Coil Harness Connector. Think Crower "Every part for Power" for all of your racing hard parts. Learn about this problem, why it occurs, and how to fix it. All this starts with initial timing. Run on the dyno with the 54-470-11 cam, the 416 stroker LS3 produced 607 HP at 6,200 RPM and 573 lb-ft of torque at 4,700 RPM. LS2's are quite different about idle control. VVT gives you the best of both worlds. 1995 Ford L7000 Diesel Axl Assembly Differential Gear Heavy Duty Dually Rear End. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride!. Performance Camshaft Package for VE-VFs with L98, LS2 and LS3 With everything you need to get your VE-VF 6L/6. We are going to check the timing with a light tomorrow and probably tear it back down. No cores or modifications needed. I will be bringing mine in soon for this and a couple other things. Visit Our "What's New" page to get all the latest Chevrolet Performance News, Announcements, and Specials. Two Teeth: It will sound like somethings "knocking" which is likely the pistons kissing the valves. 4-Into-1 header. The contact owns a 2010 Chevrolet Camaro. Ignition timing is a tuning tool for professional Top Fuel drag race engine builders. GM > Engine > Idle > Idle RPM. It came from the factory with a 403 horsepower rating, variable valve timing, and used the same heads, block, and crankshaft as the LS3. michigan motorsports map sensor adapter harness connects ls1 ls6 ls2 to ls3 ls7 style map sensor. To inspect for an exhaust leak, have a helper start the engine and hold the idle at about 1500 rpm, listen for additional exhaust noises coming from the system including manifolds and head pipes. Had a rough idle, misfire episode on my 2004 LS last week (88K miles). Dyno Tested LS3 440HP Crate Engine Package. Shop for DiabloSport's Best-in-Class Ford, Dodge, & GM performance upgrades for gas & diesel vehicles. How to correctly and easily adjust your engine's valve lash. 2) Idle Surging. com FREE DELIVERY possible on eligible purchases. Nov 28, 2008 · IDLE TUNING The following is a collection of idle tuning notes, tips ‘n tricks and How-2’s for idle tuning a big cam (or any cam for that matter) that I used when dialing in my 248/254,. VVT gives you the best of both worlds. P0305 Diagnostic Theory for Shops and. 6-liter V-6 that generates 323 horsepower and returns 30 mpg on the highway. I searched and could not find an exact answer so I thought I would ask. Apr 24, 2013 · I'm using an LS3 valley cover instead of the 4. How do we adjust an engine's idle speed? In the past, adjusting an engine's idle speed was easy. Over the years, fellow tuners have made files to help others setup tables in HP Tuners and they can be difficult to find. Chevrolet Performance also offers a complete ECM/Wiring Harness Kit programmed and calibrated to match this camshaft for proven driveabilty and performance. Cold stalling problems are the most common because the engine needs a richer fuel mixture to maintain idle speed until it warms up. ) after bottom dead center and alter the intake valve opening point to set the idle quality. Note 4: Ignition timing at engine idle degrees BTDC (with vacuum line disconnected). 2000 Montero Premium Timing Belt & Water Pump Kit V6/3. If I recall correctly, the timing should be set for idle, then optimized wat higher rpm (via the solenoid valves). Most stock street engines call for 6 to 8 degrees of initial. That is why timing is the last thing to be set in a tune-up. Tell everyone you know to get their engine parts, turbo parts, and supercharger parts from STEVEMORRISENGINES. These parameters control the desired idle RPM and the behavior of the Idle Air Control (IAC) motor or Electronic Throttle Control (ETC) during idle conditions. If GM TPS sensors have any inherent flaws, it is a tendency to slip out of adjustment. I used the engraved marks and the arrow representing TDC was to the right, just as it should. These cams are designed to maximize the engine combustion cycle at very high RPMS with VERY large and Very Dense fuel. Abnormal combustion, more commonly known as knock or detonation, has been the limiting factor in internal combustion engine power generation since the discovery of the otto cycle itself. GM > Engine > Idle > Idle RPM. The knock sensor is located on the engine block, cylinder head or intake manifold. 2L LS3 Engine is what do you get when you take Chevrolet's aggressive ASA camshaft, developed for the high-RPM world of circle track and slip it into an LS3 6. GM OEM pulleys to suit water pump and power steering. But it isn't good, the bits from the tensioner can be scattered around the engine. Re-tighten the bolts after adjustment. 5- bar MAP, PN 12592525. The engine will idle and cruise just like an LS3, but the power increase is there whenever you need it. The spark timing curves need to Evidence of this may be apparent in a slightly unsteady idle. when at idle (in and out of gear). SuperchargersOnline : The Skinny on Spark Plugs - Supercharger Systems Supercharger Head Units Supercharger Parts Rebuilding Services Intercoolers/Heat Exchangers Performance Parts SCOL Swag Supercharger and superchargers accessorries. Ok wanted to test this screen capture software and new mic, they will get better! But so yeah decided to make a how to tune idle speed on your Gm Gen lll LS series engine. Idle to 6,500 RPM C6 LS3 G6X1. Hi, I am working on a 2010 Camaro SS with an E38. 600" - 113 LSA. Throttle response should be very crisp and powerful if everything is right , including the timing and ignition systems. May 31, 2019 · Rough Idle. Inside the Predator's memory are the actual tuning files that optimize spark timing and air/fuel ratio curves. To do so you need to go to Go EFI Tuning, then find and select Idle Control. The place for Innovation, not Imitation. Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. We test each cam on our NCRS Superflow engine dyno in actual applications to find the best power curve. We have all noticed the different sounds of performance cams, with the distinct lopes or rough idle. The Causes of Internal Engine Knock, and How to Eliminate it. Now that you have your fueling set up, you'll probably notice that your MPG readings in your cluster are totally wrong. Oct 02, 2014 · From the very beginning, whenever I started the Van cold, it had a loud ticking sound, and the oil pressure would often drop from a normal of 40 down to 20 lbs. Step 6 - Observe and Assess. Converting a Truck LY6 Engine into an LS3 for More Power In case you haven't been keeping up on current events, junkyard LS engines are all the rage. See Don Chart. This table is provided to give a general idea of the BALLPARK spark advance that a typical combination desires. I'm near 100% positive a GOOD tune will fix your issue. After all, it’s supposed to control the idle speed, and the idle speed is behaving wrong. Going into a LS3 crate in my VT Im pulling my hair out deciding which cam specs to go with as my workshop have left the deciding to me, they havent cammed a LS3 yet. Also helps idle quality. It's a little better on. Your choices for Valve Lift and Duration are limited. These features are in addition to the existing programmable step retard, launch retard and RPM rev limiters from its predecessor. For cams in the 230 degree (at 0. For an owner or tuner that has never tuned an E85 vehicle it can be a frustrating experience. The SS's LS3 V-8 has a fairly aggressive cam profile and resulting valve timing in order to for it to produce it 415HP and 415FT/LBS of torque. 3L ecotec? Mine seems to idle right at 500rpm. LS3 engines are also being used in the new 2010 Camaro. 2L engine can take a little more cam than a 5. Video tutorial covers Idle Ignition Timing Advance adjustments using HP Tuners tuning software. Shop great deals on LS swap throttle body components including LS throttle body adapters, sensors, bolts, and plates from ICT Billet. 5 g for cam upgrade. 130 piston hastings rings. I made note of what my load was at idle. Have got the funds already to go 4. More ponies are available from the 6. I was doing some fine tuning of Desired Airflow and VE on my cammed 2002 LS1 yesterday. OEM valve and timing covers. 99 page 1 of 3: checking the map signal with a multimeter. That's generally why Weber installs get such a bad rap - the adapter kits for the Cruisers are a joke. 050” lift) duration range on a stock displacement engine, it would not be unusual to increase warm idle speed to about 950rpm for initial work. Played with the idle stepper position and bumped the fixed timing up to 20 deg to get it to idle somewhat stable. With -10 degrees of overlap it has a nice, mellow idle, but makes the power of much larger cams. com, symptoms of a bad knock sensor include poor acceleration, knocking noises during acceleration, poor fuel mileage and a visible check engine light. You are driving smoothly down the highway; next thing you know the engine starts to buck and shake. Stock timing? This is a discussion on Stock timing? within the General Help forums, part of the LSx Technical Help Section category; Can some one please tell me what is the factory ignition timing for a 01 WS6?. Solution: It's easy to assume the IAC valve is responsible here. The later the points open, the later the spark comes and retards the timing. Gear For Sale. You certainly can't go by the factory specs when your engine isn't all bone stock and isn't running all factory components, especially when running an aftermarket distributor, or even a stock replacement distributor. 5- bar MAP, PN 12592525. What happens when you merge 2009 LSX Technology and your local Dirt Track Racer? The answer. Browse our Great selection of STEVE MORRIS ENGINES STORE here at SteveMorrisEngines. Because of the changing loads and engine speeds associated with any performance engine, not only must the ignition timing be right for optimal performance, the proverbial "right" time varies considerably. The engine will idle and cruise just like an LS3, but the power increase is there whenever you need it. 68 g/cyl and 3000 rpm above for wide open throttle timing. L99 has a cam phaser and, to get the additional piston-to-valve clearance required when cam phasing changes, the pistons are different parts having valve reliefs machined into their tops. Look for engines from a 2010 - 2015 camaro with a manual transmission. 223/235 duration @. ,,,Bosch EV1,. 0 out of 5 stars 1.