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Underdrive Pulley
Anyone try the Agency Power pulley? Is it even compatible with the s2?
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Yes.
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Good results from them? Any negative side effects?
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The "upgrade" isn't worth the money.
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Its a couple HP at best. I threw it on cos its a fast install and a pretty blue color. You will notice the tach getting to 9k a bit faster too. If money is important to you don't bother with it though.
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greedy and srmotorsport pulley kit can fit also ?
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Originally Posted by RX8pwnage
(Post 3937433)
Its a couple HP at best. I threw it on cos its a fast install and a pretty blue color. You will notice the tach getting to 9k a bit faster too. If money is important to you don't bother with it though.
Pulleys are a waste of money for most... they are great if you remove tha a\c though :squint: |
Originally Posted by no-piston
(Post 3937467)
greedy and srmotorsport pulley kit can fit also ?
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Originally Posted by bse50
(Post 3937541)
Try the run to 9000rpms under load (in gear) and... see that there is no difference :(
Pulleys are a waste of money for most... they are great if you remove tha a\c though :squint: Mine from SRMotorSports ...look very pretty .... pfffff yeah can I have my 600 bones back ... my biggest fail mod |
i tried to install the ap pulley on my 09 the hole for the bolts didnt line up.anyone have this problem?
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Nope. You sure you reecieved an rx8 pulley and not something else?
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Originally Posted by RX8pwnage
(Post 4003898)
Nope. You sure you reecieved an rx8 pulley and not something else?
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Odd...I have one on my R3. No issues.
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one thing i did notice is that the 09 stock pulley is different from my 05 the my 09 stock pulley is bigger .
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Originally Posted by RMXG8
(Post 4003871)
i tried to install the ap pulley on my 09 the hole for the bolts didnt line up.anyone have this problem?
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Originally Posted by bcdjudo7
(Post 4014197)
I had the same exact issue , Greddy pully's didn't work on mine either.
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I know this is old but I was looking to get some SRmotorsports pulleys because of the power claims then I read this thread, and looked at the upgrades again... yea I'm just going to buy a BHR ignition upgrade for Christmas instead.
THX. for the heads up fellas. |
Don't do it ... don't
Pulleys are NOT worth it for power gains. I have a set and they look great ... did nothing ...but look great. (I have dyno ... with other mods as well ... net effect ... crap) Oh I bought the SR Pulleys |
and people give me crap for spending $1k on a cat converter that flows like a 3" open pipe ...
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Originally Posted by TeamRX8
(Post 4138358)
and people give me crap for spending $1k on a cat converter that flows like a 3" open pipe ...
$1k of stickers are the way to go, didn't you know?:hahano: |
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I see no shocker sticker or JDM style ones, no race stripes either or flames. They are the only stickers that add power and that a racer should use. Don't you know?
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That explains a few things I guess :lol:
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The average sticker's weight doesn't justify the HP increase. Lets not forget the difference between vinyl and plastic. Don't get me started...
:P |
for engine bay bling purposes heres a cheaper alternative lol
http://www.rotaryfx.com/ProductDetai...ctCode=PER1127 idk if itll work with S2 though |
Based on my inexperienced opinion, I would not use those.
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Just wanted to confirm the AP Pulley DOES fit on the s2 with no issues. The way it's machined if the holes aren't lining up, you just have to 180 it and everything lines up as it should. I'll also agree with what has already been mentioned, there's no noticeable gain or difference from stock.
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Originally Posted by MinHoSII
(Post 4188482)
Just wanted to confirm the AP Pulley DOES fit on the s2 with no issues. The way it's machined if the holes aren't lining up, you just have to 180 it and everything lines up as it should. I'll also agree with what has already been mentioned, there's no noticeable gain or difference from stock.
Now to deal with my check engine light for cylinder 2 misfire :sad: |
Waste of $$$'s as usual...
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Originally Posted by MinHoSII
(Post 4188482)
Just wanted to confirm the AP Pulley DOES fit on the s2 with no issues. The way it's machined if the holes aren't lining up, you just have to 180 it and everything lines up as it should. I'll also agree with what has already been mentioned, there's no noticeable gain or difference from stock.
Not sure why yours fit bro, but we turned mine every way imagineable and no way that thing was going on my car .... so I guess there's a possiblility your car received the s1 version from the factory for the pulleys .... which i've heard happens sometimes .... but wasn't anyway they were fitting on mine. From what i've read, pretty much a complete waste other than appearance anyway. |
Originally Posted by bcdjudo7
(Post 4188846)
Not sure why yours fit bro, but we turned mine every way imagineable and no way that thing was going on my car .... so I guess there's a possiblility your car received the s1 version from the factory for the pulleys .... which i've heard happens sometimes .... but wasn't anyway they were fitting on mine.
From what i've read, pretty much a complete waste other than appearance anyway. |
Originally Posted by RMXG8
(Post 4003871)
i tried to install the ap pulley on my 09 the hole for the bolts didnt line up.anyone have this problem?
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Mine worked on an S2, but there was a CEL for the first 50 miles or so.
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A CEL from a pulley? What was the code?
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Yeah, better check it out.
The only pulley that's safe to underdrive is the AC pulley, but then you may as well just remove the AC altogether. |
Originally Posted by UnknownJinX
(Post 4859053)
Yeah, better check it out.
The only pulley that's safe to underdrive is the AC pulley, but then you may as well just remove the AC altogether. |
Mind to elaborate?
Most of the posts before have said it's not worth it, and the explanation from RIWWP makes sense. Pulleys Don't. You might ask "why?", so here is an explanation: There are 2 "benefit" points to changing to aftermarket pulleys. The 1st "benefit" is a reduction in the weight of the pulley. This is a similar concept to going with a lightweight flywheel to assist with a more responsive engine. The problem is, the weight you are saving is very very very small, and it's close to the center of rotation, so there is very little gain by reducing it. It takes roughly 10lbs of weight saved at inch from the center of rotation to equal the interia savings of 1lb of weight saved at 10 inches from the center of rotation. Lightweight flywheels are still rather large in diameter (almost larger than the core engine block), and much of the weight stripped is near the outside of the flywheel. Pulleys have only a few inches and at most maybe a pound, and most of the weight to remove is near the center. It just isn't going to give noticeable gains for the price. The 2nd "benefit" is to underdrive one or more accessories. The problem with this is that under driving your alternator is bad for your electronics and battery, and underdriving your water pump can have significant penalties to your ability to keep the engine cool. And all it takes is 1 overheating, or even undetected localized hot spotting, and your housings can warp and your engine is done. Underdriving your A/C is without penalty, but removing the AC system completely would accomplish the same AC effectiveness as underdriving it, and leave your car lighter and without the AC compressor drag at all, so it's the better choice (and cheaper). |
Originally Posted by UnknownJinX
(Post 4859055)
Mind to elaborate?
Most of the posts before have said it's not worth it, and the explanation from RIWWP makes sense. Same for the alternator. Underdrive only a negative for those that either sit in traffic a lot or run a large electrical load. The overall benefit is indeed small however. FWIW i don't run one with a turbo setup .... but I don't rev to 9000 either . |
I can reply topics but cannot start one????
Any help Admins??? |
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