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Old 01-16-2010, 10:14 AM   #14
Mark42
 
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Join Date: Oct 2009
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Quote:
Originally Posted by Slow-V6 View Post
Just remember if you decide to run a power adder that PCM for less probably Advanced your timing and leaned out the A/F mixter to get you the most power out of a stock car.
Thanks for the warning. I think you are right about them changing the A/F mix, especially because they claim 1-3 mpg improvement depending on mods. I doubt this car will ever see any more mods other than oil coolers, wheels/tires and maybe an exhaust. If the exhaust replaced with a Magnaflow, the PCM will go back for more tune. Things like NOS or bolt on blowers are not likely.
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1998 Firebird Coupe
Mods: 3.73 Gears, Eaton TrueTrac, PCM Tune, LS1 Aluminum Drive Shaft, Cold Air Intake, 180 Thermostat, Magnaflow Cat-Back Exhaust, Moog LCA busings.

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