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06-26-2012
Im looking to build a 2004 Grand Prix GTP have done some looking and this seams to be the normal build just looking for some input. Should I go SS intercooler or full sized what hood will the full sized fit under. What size pulley. Thanks in advance.
Intercooler
Smaller pulley
Auto light 104 plugs
Zzp 1.0 pcm
180 thermostat
intake
exhaust
06-26-2012
all that...
depends on your budget and what you want to do with your car.
06-26-2012
helping a buddy he wants to run an 1/8 mile but will be daily driving this car also
06-26-2012
Um, yeah, a canned tune cant be run with a intercooler.
You need a full on custom tune with a wideband.
Headers, Intake, 605's, 3.6 pulley and a overkill tune will do fine.
Anything past a 3.6 and you dont want to run a canned tune, it only good for so much.
(I say 3.6 because the Gen V is better than a Gen 3)
You got alot of reading to do, to know how to mod these cars.
06-26-2012
Also, after adding that power, the trans becomes weaker and will be the weak point.
06-26-2012
Do not I repeat do NOT go with a SS intercooler. Complete waste of money. I did it on a previous GTP and regretted it later.
06-26-2012
an intercooler is good but you could also do a cam or roller rockers.
06-29-2012
dont so a SS IC bad idea, put a full sized IC on there get a MPS and run a 3.5'' or 3.4'' pulley withe some headers also make your own intake, the correct plugs and a 180 tstat too, you should be able to fit the IC with the stock hood unless you lower your car, you might need bigger injectors too, top it all off with a custom dyno tune from a local shop and you should be good to go until you break your trans
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