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| | #1 |
| Platinum Member Car: 05 Subaru WRX STI CG Fav Mod: 3" FP20G - 403WHP/417WTQ Location: Huntsville, AL Posts: 5,274
IWSTI Addict since: Aug 2003 Trader Rating: (2) | Ye or Ne with this mod? I wouldnt mind an extra 8-10 whp (as vinshu shows). Anyone know if this will be detrimental in the long run or if its safe to run this? I wont have a stereo, so no worries there. Other then that what do you guys think? Thanks Robert~ I guess I might as well ask this + the alternator underdrive pulley This ad is not endorsed by this member. Please register or login to hide this ad. |
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| | #2 |
| S204 Racer Car: Solo II, WRC Location: Overland Park, KS Posts: 2,776
IWSTI Addict since: Oct 2002 Trader Rating: (1) | I don't like the idea of changing pulleys unless you are going with a straight race car. Regardless of what the aftermarket people tell you, each component strapped to the engine has engineering requirements, and drive speed is one of those requirements. I vote Ne from a daily-driving engineering standpoint. |
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| | #3 |
| Gold Member Car: '04 JBP STi Fav Mod: Swaping a VW for a STi Location: Dallas, TX Posts: 982
IWSTI Addict since: Jun 2003 Trader Rating: (0) | Ne As far as long term problems, I have heard that the under driven pulley can wear out the crank shaft bearings. I know Perrin says they guarantee theirs won't, but unless they plan on replacing my engine when it does I will pass on this mod. |
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| | #7 |
| Platinum Member Car: 05 Subaru WRX STI CG Fav Mod: 3" FP20G - 403WHP/417WTQ Location: Huntsville, AL Posts: 5,274
IWSTI Addict since: Aug 2003 Trader Rating: (2) | well it seems that the perrin isnt underdriven, its just 4 lbs lighter (which they said = like 100 pounds of rotating mass or something *shrug*). I might do it later on if I want a little more of a quicker throttle response lol, if thats possible. RObert~ This ad is not endorsed by this member. Please register or login to hide this ad. |
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