Does my chip need re-tuning with the addition of some new parts?
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Joined: May 2005
Posts: 479
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From: Glasgow, KY
Car: 87' GTA
Engine: 350 L98 TPI
Transmission: 700-R4
Axle/Gears: 3.27 9-Bolt
Does my chip need re-tuning with the addition of some new parts?
Basically my question is:
With some new parts on a motor, like 1.6 Roller rockers, massively ported SLP TPI runners, and an Edelbrock TPI intake manifold require any kind of computer tuning to work correctly?
Granted this is not on a stock motor, I can post up the list of things done if need be, but the chip is already a comewhat custom one (Mail Tune?) based off the mods I've got already... The parts I mentioned above are just what's been put on the motor since the rebuild.
With some new parts on a motor, like 1.6 Roller rockers, massively ported SLP TPI runners, and an Edelbrock TPI intake manifold require any kind of computer tuning to work correctly?
Granted this is not on a stock motor, I can post up the list of things done if need be, but the chip is already a comewhat custom one (Mail Tune?) based off the mods I've got already... The parts I mentioned above are just what's been put on the motor since the rebuild.
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Joined: Nov 2001
Posts: 2,428
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From: Fairview Heights Illinois
Car: 1986 Irocz
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.25:1
Re: Does my chip need re-tuning with the addition of some new parts?
Basically my question is:
With some new parts on a motor, like 1.6 Roller rockers, massively ported SLP TPI runners, and an Edelbrock TPI intake manifold require any kind of computer tuning to work correctly?
Granted this is not on a stock motor, I can post up the list of things done if need be, but the chip is already a comewhat custom one (Mail Tune?) based off the mods I've got already... The parts I mentioned above are just what's been put on the motor since the rebuild.
With some new parts on a motor, like 1.6 Roller rockers, massively ported SLP TPI runners, and an Edelbrock TPI intake manifold require any kind of computer tuning to work correctly?
Granted this is not on a stock motor, I can post up the list of things done if need be, but the chip is already a comewhat custom one (Mail Tune?) based off the mods I've got already... The parts I mentioned above are just what's been put on the motor since the rebuild.
Even a completely stock car can see gains in drivability and power with a good hands-on custom tune though.
You should datalog and see where your BLMs are. If you aren't getting BLMs above 135, then you'll probably be OK without a retune. If you are going above 135, then I'd definitely get a retune, but not by mail order.
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