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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

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Old 08-14-2013, 02:12 PM   #1
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Raceseng | Revo Engine Pulley Product Release

The Raceseng Revo engine pulleys are done and ready to be bolted on! The purpose of our pulleys is to remove as much rotational mass as possible so the engine can rev quicker. We saw the opportunity to create something far from generic, by creating a strong, lightweight pulley that looked as good as it performed. See the breakdown of the different kits below

REVO PULLEY KIT S2
The Revo Pulley Kit S2 is the lightest and only full billet aluminum engine pulley kit on the market! The S2 kit includes the crank, water pump, alternator and (2) idler pulleys. A total of 5.1 lbs. have been cut from the rotating mass of the stock engine pulleys. Available in anodized black and silver.

PULLEY WEIGHTS
Revo Crank Pulley - 0.810 lbs | Stock Crank Pulley - 4.886 lbs
Revo Water Pump Pulley - 0.565 lbs | Stock Water Pump Pulley - .990 lbs
Revo Alternator Pulley - 0.192 lbs | Stock Alternator Pulley - .421 lbs
Revo Idler Pulley - .539 lbs | Stock Idler Pulley - .683 lbs

AVAILABLE NOW
http://www.raceseng.com/revo-pulley-...r-s-subaru-brz





REVO PULLEY KIT S1
The Revo crank, water pump and alternator pulleys shave 4.73 lbs. or 70% of rotating mass from the stock engine pulleys. Available in anodized black and silver.

PULLEY WEIGHTS
Revo Crank Pulley - 0.810 lbs | Stock Crank Pulley - 4.886 lbs
Revo Water Pump Pulley - 0.565 lbs | Stock Water Pump Pulley - .990 lbs
Revo Alternator Pulley - 0.192 lbs | Stock Alternator Pulley - .421 lbs

AVAILABLE NOW
http://www.raceseng.com/revo-pulley-...r-s-subaru-brz





REVO CRANK PULLEY
The Revo Crank Pulley is only .81 pounds which is 4.08 pounds lighter then the original pulley! Available in anodized black and silver.

PULLEY WEIGHTS
Revo Crank Pulley - 0.810 lbs | Stock Crank Pulley - 4.886 lbs

AVAILABLE NOW

http://www.raceseng.com/revo-crank-p...-s-subaru-brz#


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Old 08-14-2013, 02:31 PM   #2
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Old 08-14-2013, 02:52 PM   #3
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Looking for clarification - do pulley sets take you out of STX?
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Old 08-14-2013, 02:54 PM   #4
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Simmons on this board is one of our racers and he runs SCCA STX. I would reach out to him to clarify.

He can personally account for the difference the pulleys made on his car.

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Looking for clarification - do pulley sets take you out of STX?
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Old 08-14-2013, 04:09 PM   #5
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The most beautifuly done and the most complete (5 pieces with idlers) pulley set - for sure! The lightest... a little overstatement Will likely buy the idler separately though - they look cool and still shred some weight.
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Old 08-14-2013, 05:19 PM   #6
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Saw these at 86fest and are beautiful!!!! Bought their weighted "Slammer" shift knob and it is money.

Speaking with the guys at Raceseng showed their passion for their products and I will continue to support and buy their products
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Old 08-14-2013, 05:29 PM   #7
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These are awesome...wonder how much performance increase to the car with the lightweighted pulley???
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Old 08-14-2013, 08:06 PM   #8
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These are on my list of must haves very soon. Love the look. Love the weight.
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Old 08-15-2013, 01:03 AM   #9
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Are these underdriven or do they retain the stock drive ratios?
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Old 08-15-2013, 09:35 AM   #10
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You own the only slammer in the whole world right now! Be proud!

Thanks for the compliments, that means a lot!

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Saw these at 86fest and are beautiful!!!! Bought their weighted "Slammer" shift knob and it is money.

Speaking with the guys at Raceseng showed their passion for their products and I will continue to support and buy their products
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Old 08-15-2013, 09:37 AM   #11
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They non-under driven and retain stock drive ratios.

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Are these underdriven or do they retain the stock drive ratios?
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Old 08-15-2013, 09:39 AM   #12
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Simmons (on this board) is one of our autocross STX racers and he felt a big difference in throttle response and acceleration. Lightened engine pulleys do not necessarily increase horsepower. We are doing some back to back dyno runs with Mike Mann of Moto-East soon!

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These are awesome...wonder how much performance increase to the car with the lightweighted pulley???
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Old 08-15-2013, 02:23 PM   #13
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It never hurts to ask, but can we do a groupbuy on the S2 kits? I have done lightweight pulley mods on my 06 TSX and the car felt more responsive, here's hoping to get the same effect on the BRZ.
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Old 08-16-2013, 12:36 AM   #14
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Old 08-16-2013, 01:56 AM   #15
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The lightest... a little overstatement
Well, if it's the only full set available, then it actually is the lightest. Not an overstatement at all.



...it's also the heaviest.
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Old 08-16-2013, 02:04 AM   #16
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Well, if it's the only full set available, then it actually is the lightest. Not an overstatement at all.



...it's also the heaviest.
A set is a combination of individual elements. Idlers are nice and I will buy them separatly (thanks Raceseng for providing such an option). GFB's 3-pulley set + 2 Raceseng idler is the lightest set in the market so far.

However, if I didn't have the GFB set already, I'd definetely buy the full set Raceseng - the difference in weight in negligible and Raceseng looks just so much better!
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Old 08-16-2013, 02:12 AM   #17
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Yeah, I plan on having a mismatched set, but basing it off the Raceseng kit. I believe Tomioka makes the lightest alternator pulley.

Here's a post from a while back: http://www.ft86club.com/forums/showp...&postcount=133

You can pretty much be guaranteed those numbers aren't accurate, though. When speaking in pounds, if it ain't at least 3 digits behind the decimal, it ain't accurate.
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Old 08-16-2013, 09:14 AM   #18
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forgive the noobie post but im still learning everyday...

i know these are serious weight reduction, but how do they affect power? like will i make more HP if the pulleys are lighter?

also, how will these work with FI? like will the huge power bump cause issues?
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Old 08-16-2013, 09:17 AM   #19
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These look amazing! Will eventually be picking up a set of these!
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Old 08-16-2013, 09:22 AM   #20
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like will i make more HP if the pulleys are lighter?
Your engine will still produce the same amount of power as before, but it won't be spending so much power simply making the pulleys spin. So more power will get to your tires. So it's not about making more power, it's about not wasting what you have.
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Old 08-16-2013, 09:34 AM   #21
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Stupid question here. I've been looking in to pulleys (specifically crank) for a few days now; HOWEVER, due to my wife not being able to drive stick, I've got an auto. I can't seem to find an answer to the question whether these will easily still bolt up with auto and whether it would even make a difference.

Found a thread on nasioc where it was basically stated pulleys aren't worthwhile on autos due to how they work. I won't lie. It was all above my head as I'm not much of a gearhead.
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Old 08-16-2013, 09:41 AM   #22
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Quote:
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Looking for clarification - do pulley sets take you out of STX?
These are STX legal. Any/all accessory pullies can be swaped.

@Raceseng do you offer the idle pullies by themselves? I already have other pullies that im satisfied with.
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