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| Engine, Transmission and Drivetrain Discuss Engine, Transmission, Drivetrain, and all other performance modifications here. |
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#1
03-22-2005, 09:02 PM
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need help with cams.
what cams are you guys running? i want to get more top end but also want to have stock idle and i'd prefer not to change valve springs, but i will if need be. oh yeah the cars a 2g tsi.
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#2
03-29-2005, 04:35 AM
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Cams
There are so many variables... What else do you have done to the car, or what are you planning on? I've heard Crower cams are great (http://catalog.exileracing.com/index...acturers_id=81) , so I'm getting Stage II Crower Cams... Stage III (the highest) will have horrible idle problems for a street car, but Stage I isn't agressive enough. They also have turbo grinds for the Stage II... The higher the stage, the more high-end power, basically... just don't overdo it.
Even with the Stage I Crower cams I'd recommend titanium retainers and valve springs. This prevents a valve from being held open because it can't bounce back quick enough. Hope this is helpful!
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#3
03-30-2005, 06:50 PM
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Re: need help with cams.
Idle will always be different from stock, no way around that. The question is WILL it idle
 I ran HKS 264s, and 272s. No difference in idle that I could see hear or feel. I Didnt measure the vacuum though. I see no reason why someone wouldnt go right to the 272s and be done with it. Or the equivelent from another manufacturer. Neither of those two require valve springs.
__________________
Kevin Jewer RWD Talon - 7.92 at 180 Mightymax - 10.7 at 125
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#4
03-30-2005, 06:58 PM
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Re: need help with cams.
are installing Cams pretty hard? sorri if its a newbie question.
__________________
"i told you it was third, I lengthen the injector pulse another millisec and tuned the NOS timer, and you'll run nines" --2OF9-- (DSM team specialist) ;D #808/1000
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#6
04-02-2005, 05:45 AM
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Re: need help with cams.
High top end cams would be the stage 2's or a set of HKS 272's. These are both aggressive STREET cams. Cowl also makes some good 4g63t cams. Another option if you are a 2g is to put on a 1g head. The 1g heads are better: flows better, stronger and had slightly more aggressive cams. 272's will give u lots more top end. With a decent amount of mods, it is not uncommon to see jumps of 50 ponies when installing some HKS 272's
The 4g63 engine is extremly stable, and u probably won't need to upgrade valves, springs, or retainers untill you hit about 350 horses. It isn't uncommon to see stock blocks putting 4hundo ponies to the ground.
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