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> UNDERDRIVE PULLEY
post Nov 3, 2004 - 3:38 AM
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Blakout16

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ok, i searched old posts and the most i can get out of it is, that i replaces the main crank shaft and creating 30%-40% acceleration boost, but thats all lol. i need to know a est. on price and where to buy and if i should or not. im working into someday boostin the 7afe. (yes most ppl are like... dude ur dumb 3sgte!) but i simply cannot afford that all at once and... insurance policy doesnt cover it. they will drop me if i do. (oh and also some pictures) and maybe a how-to? that'd be cool


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the 1/4 doesnt have patience for a ST.... so we make them ST-T's so atleast we'll sound good going slow.
 
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post Nov 3, 2004 - 7:49 AM
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recneps

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QUOTE
i think the average price is around 150-175 ish.. dont hold me to that.

to install it you will need an impact air wrench to take off the nut that holds the crank pully to the crank. (this is the hard part because its on there good). after that i assume you go abouts re-installing what you took off.

I have some questions to bring up also.. so if someone who has installed one can help answer this topic more thoroughly.

I know the under driven pully will affect the acessories such as powersteering and airconditioning. But how much harder is the steering after it is installed? How much does it affect the A/c?
Is there a need for new shorter belts?
if you dont drive the car hard. (like keep the rpm below 3K) will your battery die? (short trips? Highway?)


i had mine on for about a month and didnt notice any differences after installing. my battery didnt die and my steering didnt tighten up or anything. and i didnt notice any difference in acceleration.

oh and you are going to need a new size belt. yiour pully will come with a little slip that says the size you need then its right down to the auto parts store. i put mine on in about an hour.

QUOTE
that i replaces the main crank shaft and creating 30%-40% acceleration boost


it DOES NOT replace the main crankshaft jus the accessories pully. maybe your thinking about gt3 when you can buy the carbon fiber drive shaft and it increases acceleration. but not in the real world.

i feel confident ill put it on my next celi. but if i had a chance not to buy it the first time i wouldnt, i didnt notice that big of a difference. you could just take out your ac all together.


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Former: 96 GT 5 speed (i/p/e) Fate- rear ended by mack truck
00 GTS 6 speed (i/ Bored TB 63mm - 68.5mm w/ butterfly/ Ported IM/ IMG/ PFC/ Commander/ datalogit/ Ported & heat wrapped Header/ Decat/ UEGO/) 193FWHP 14.2(1/4mi) @98mph, 2.12 60ft (just intake, unbolted Exhaust, and gutted) Fate- side swipped by 18 wheeler at 75mph.

Next: maybe an elise

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