The stock tune is around 13* to 15* timing at idle. 14" … TSP FastFWD - High Lift $ 399.99. When I did my initial setup, I started with the base LS3 calibration and adjusted from there. When i give it some gas, i need to choke less, say around 50% and it runs smooth at 3K rpm. ** **The Australian vehicles use a different format for Vehicle Identification Numbers (VIN). "Chop Monster" Stroker LS3 Cam $ 399.99. Cam 1: Stock LS3 Lift: .551 in/ .525 ex Duration @ .050: 204 in/211 ex LSA: 117 Idle vacuum: 20.3 in-Hg PV Intake: .150+ PV Ex: .150+ Cranking Compression: 205 psi This cam specs out with .525-inch intake and exhaust valve lift. [Editor’s Note: This LS3 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing.The LS3 engine is a Gen IV, 6.2L aluminum-block V8 car engine that first appeared in the 2008 Chevrolet Corvette. Also, the Base Timing Graph seems too smooth (much like a Fuel Graph). ** A special dry sump version of the LS3 was used in the 2010-13 Corvette Grand Sport Coupe only. Chevrolet Performance also offers a complete ECM/Wiring Harness Kit programmed and calibrated to match this camshaft for proven driveabilty and performance. The truth is that real-world test data is about the only way to get straight answers. LS3/525 high idle This post is information on a situation I ran into installing an LS3/525hp motor in my 56. If you have the air/fuel ratio set properly and your engine can idle somewhat decently, even if it's by holding the throttle pedal down off closed-throttle to keep the engine from stalling, you can begin by setting a ball-park ignition advance value. The LS won't idle unless I choke about 85% of the air intake. These engines Rev fast so I think the 525 is a winner, but just my opinion. 10. Duration (@ .050") is 219° intake and 228° exhaust, which allows for a dramatic increase in power. ** ... 0.551 in./.525 in. Duration (@ .050 inches) is 219 intake and 228 exhaust. 217/225 int/ext duration, 0.595/0.587 lifter with a 114+2 LSA. This cam specs out with .525" intake and exhaust valve lift. The i get a rough idle but it's the only way to get any idle. These Chevrolet Performance Parts LS 376/525 hp engine controller kits are designed for controlling your GM LS 525 hp engine. Scott, thanks for the help. LS376/525 6.2L LS3 Engine 525 HP; LS376/525 6.2L LS3 Engine 525 HP 19419866. Description Chevrolet Performance LS376/525 HP 19301360 NATURALLY ASPIRATED 6.2L WITH POWER! The engine will idle and cruise just like an LS3, but the power increase is there whenever you need it. It makes a claimed 525 hp to the flywheel. With Chevrolet Performance’s aggressive ASA camshaft – developed for the high-rpm world of circle-track racing – installed in the LS3 6.2L engine, it comes alive with 525 … The Chevrolet Performance LS376/525 6.2L 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 6.2L engine. Hi, I am working on a 2010 Camaro SS with an E38. Reading the code (needing a Tech 2 compatible reader), it turned out to be a ‘high idle’ fault code. Upon installation and driving 10 to 15 miles, the engine MIL fault light came on. Obviously with the ASA cam, I'm idling at around 50 kPa which is a lot higher than a stock LS3. We sat down with Crane Cams and discussed all of these issues and how they relate to the LS series, and got an inside look at a cam comparison they ran on three of their most popular grinds for the LS3. TSP Stage 1.2 LS7 N/A Camshaft developed for the high-rpm world of circle-track racing? The other Cam Motion cam I would also consider for a stock vehicle would be the Titan 1 LS3. installed in the LS3 6.2L engine, it comes alive with 525 uncompromising horsepower.That makes it the most powerful naturally aspirated 6.2L street engine in our portfolio ? TSP Stage 1 LS3 N/A Camshaft $ 399.99. ... You’ll notice it in the idle quality and you’ll feel it when the revs quickly climb. Commonly referred to as the LS3 MAF sensor, the slot type MAF sensor was introduced with the LS7 engine in the 2006 Z06 Corvette (and later with the LS3 engine in the 2008 Corvette). TSP Magic Stick 3 Camshaft $ 399.99. The LS376/480, LS376/525 crate engines use stock LS3 components except as noted below. Factory LS Camshaft Comparison: LM7 vs. LS1 vs. LS2 vs. LQ9 vs. L33 vs. LS7 vs. LS9 vs. LSA Dyno test of horsepower and torque of different factory LS camshafts in a 5.3L V-8.

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