Will Fast 90 help me?
12-24-2008, 10:44 AM
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Will Fast 90 help me? I currently have an 02 SS A4 with a 2800 stall.....Full bolt ons with a g5x2 cam...Car makes close to 400hp....Would a Fast 90 help me at this point..I dont have aftermarket heads on th car....What kind of gains should i expect over the ls6 and ported t/b that is currently on the car?
12-24-2008, 10:48 AM
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Im in the same boat as you. Ive receive mixed feelings from people. With out the heads the LS6 intake is going to flow just about all the air the car can handle as is. I myself, am going to wait till I can afford a new set of heads to put my fast 90 on. No reason to get re-tuned twice lol. You also might want to ask your tuner how your injectors are doing duty cycle wise.
12-27-2008, 01:18 PM
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I'd go with a 92/92 combo if I were you. I'd have it ported as well. I'm not going to guess what gains you'll recieve but you will gain horsepower no doubt and it'll really pay off once you have heads on your car as well. Thats when you'll see a bug jump in power.