New motor, ready to start tuning!
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Senior Member
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Joined: Oct 2004
Posts: 608
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From: Pelham, NH
Car: 91 B4C, 17 C7 GS, 16 Denali DMax
Engine: LS3, LS3, LML
Axle/Gears: 3.23, 3.42, 3.23
New motor, ready to start tuning!
I just dropped in my new motor and I know I need to do some tuning to say the least.
My autoprom package is on order and since I have never done this before I wanted to know where to begin based on the specs of this motor. I suppose I will be using TunerPRO since it comes with the kit.
The motor is a 350 that is .030" over
Compucam 264HR-12 210/220 .480/.480 duration 264/274
Comp 1.52 roller rockers
083 heads opened up to 2.02/1.60
24lb injectors
BBK AFPR
Hedman shorties w/matching y-pipe
CATCO high flow conveter
Full 3" catback exhaust
Right now the TPI is still stock.
Any suggestions would be a world of help! Thanks in advance!!!
My autoprom package is on order and since I have never done this before I wanted to know where to begin based on the specs of this motor. I suppose I will be using TunerPRO since it comes with the kit.
The motor is a 350 that is .030" over
Compucam 264HR-12 210/220 .480/.480 duration 264/274
Comp 1.52 roller rockers
083 heads opened up to 2.02/1.60
24lb injectors
BBK AFPR
Hedman shorties w/matching y-pipe
CATCO high flow conveter
Full 3" catback exhaust
Right now the TPI is still stock.
Any suggestions would be a world of help! Thanks in advance!!!
Supreme Member
Joined: Jan 2002
Posts: 1,162
Likes: 1
From: California
Car: Z28
Engine: L98
Transmission: T56
My <i>opinion</i> would be to start with a near stock chip. You've got a docile cam and slightly worked heads, otherwise a basically stock L98.
set the FPR to stock pressures, set your injector constant or BPC or whatever it is in MAF land to match your 24# injectors, fire it up and break it in, then start doing some data logging/wbo2 of easy driving to figure out where you are at and what the motor wants. I suspect that the cam might want a bit different AE/timing curve but it shoudln't be radically different from stock.
just approach it in small steps and learn as you go.
set the FPR to stock pressures, set your injector constant or BPC or whatever it is in MAF land to match your 24# injectors, fire it up and break it in, then start doing some data logging/wbo2 of easy driving to figure out where you are at and what the motor wants. I suspect that the cam might want a bit different AE/timing curve but it shoudln't be radically different from stock.
just approach it in small steps and learn as you go.
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