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Old 04-24-2002, 10:10 AM   #1
ychan
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Join Date: Aug 2001
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2002 2.5rs
aspen white

Default everything to know about pulley sets

hey guys,
i tried a search on this and i just came up with a whole bunch of different opinions. which pulley set is the best bang for the buck, and which pulley set is just the best? what gains can i expect? what alternator problems will i have? i don't plan on putting a sound system in anymore, so that won't create any problems. how bad is the pulley set going to affect my A/C? are the gains for a pulley set due to the loss of rotational mass, or does it decrease the power loss to the engine? any hard numbers on the gains? oh, and where should i get this pulleyset? i guess i'm asking alot here. thank you in advance.
-y
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Old 04-24-2002, 10:25 AM   #2
Thumper23
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Location: Virginia Beach, VA
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'08 BMW 135i
F/A-18C

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I have the 3-pulley set from Suby Sports which is great. It is not underdriven so you don't have to worry about any alternator losses and they can use the stock belts but you get new ones anyway. It doesn't give you more horsepower per say, but frees more from the engine so it feels like you do. The engine revs much faster, down-shifting is easier, and it reduces alot of the hesitation. Hope this helps
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Old 04-24-2002, 03:52 PM   #3
Ghomer1
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Damn, I want a set really badly, but am I going to have to pay $250 + shipping for it. Is there a better deal?

G
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Old 04-24-2002, 03:57 PM   #4
Stealthbmbr
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2009 Legacy 2.5i SE
C A P S CAPS CAPS CAPS

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I installed the Go Fast Bits pulley set yesturday. It's a 3 pulley set and comes with new belts. All three pulleys are smaller in diameter than stock, but spin everything (except the a/c)at the same speed. The motor seems to rev alot quicker now with no hesitation. I paid $219 for mine from www.vividracing.com Not sure about the a/c, it was cold last night and this morning. I guess it will spin the a/c compressor slower because the crank pulley is smaller. We shall see this summer.
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Old 04-24-2002, 04:33 PM   #5
2Point5RS
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I have been looking and searching for a pulley set that is the same diameter as stock.. How many are there? Website?
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Old 04-24-2002, 04:42 PM   #6
Layman
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STEALTHBMBR,

Are the belts that come with the GoFast kit standards belts? Will they be available from your local auto store when it comes time to change them again?
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Old 04-24-2002, 06:01 PM   #7
Stealthbmbr
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Yes, they are available. They are gates belts. I had to get one for the alt because the one they shipped was for a WRX.
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Old 04-25-2002, 12:49 AM   #8
NNeves
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i have cobb tuning UD pulley and i must say im pleased. i feel my car responds better and has a nice little pick-up. since i have no after-market radio and dont use my AC (only 3 times since 99), i dont care much about the loss. like someone told me its up to you, i talked to a few people about the diff types and one had tried both, he said "there's not much of a difference".
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Old 04-25-2002, 02:45 AM   #9
ychan
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so should i just go with the N1?
-y
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Old 04-25-2002, 08:38 AM   #10
Stealthbmbr
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C A P S CAPS CAPS CAPS

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The only reason I didn't get the N1 pulley was price.
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Old 04-25-2002, 09:55 AM   #11
fab9joe
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1999 2.5rs
silverthorn metalic

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check out josh at: tpi.mrjosh43.com/home.html .he says he will have a set for under 200 bucks with a more durable finish than the n1 set. it is just lightened not under driven. iam going to get a set in a week or so.
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Old 04-25-2002, 10:00 AM   #12
fab9joe
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silverthorn metalic

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that link should be www.mrjosh43.com , then click on total performance.
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Old 04-25-2002, 11:02 PM   #13
JSiwek
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I have a full GFB pully kit for sale! Anodized blue, comes with crank, power steering, and alternator pullies. They are all smaller than stock so it only underdrives your a/c... you will not see power loss at idle like the kits that underdrive your alternator!

I had mine on my car for only 500 miles. When I put a really lightweight flywheel on I had to replace the stock pullies because the engine needs additional rotating mass. They're in great condition, comes with belts and I even have the original packaging!!! $200 shipped to your door!

Jeremy Siwek

JSiwek@scu.edu ...e-mail me if interested please.
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