The S/C Pulley Thread to end all Pulley Threads





not selling anything here - just providing info in one concise post
One car has been widely tested with over 4 months and about 8K+ miles (see page 4), and 11.7@119 at the track.
S/C Pulley Specs:
- Caveat Emptor
- 84mm in size
- 1.5 to 2 psi increase (as compared to a stock supercharger pulley)
- 2.5lbs (one pound less than stock 3.5) ~28.5% reduction in weight
- equates to 168-170mm crank pulley in power
- requires the ECU to be tuned due to differences in AFR
- there's a belt wrap kit in the works, not required but nice to have if you have slippage
- you don't need a fuel rail or bigger injectors (not that it would hurt either)
- it can be added along with the crank pulley to make even MORE power
- yes, the pulley increases S/C heat output so cooling is recommended
- one step colder plugs, not required but a good idea to reduce EGTs
Eurocharge Tuned E55 with the following mods:
- K&N Air Filters
- Bigger H/E installed
- secondary cats and resonator removed
This car (baseline w/o pulley) ran 419HP on the LSX dyno and benched 464HP after pulley and tune - that's ~45 RWHP increase (that's to the wheels!)

http://youtu.be/SLVPHtqJ1CU
http://youtu.be/E1THC18f7OM
Last edited by Toadster; May 1, 2012 at 12:21 PM. Reason: TOU violation
If u don't mind me asking y did u choose this one the price ? Couldnt u get the same gains by just getting a kleemann 168 pulley or 172mm eurocharged one ?





I picked this one because it seems to be less strain on the rest of the engine, the S/C can now spool up faster, and less wear/tear on it and the other engine components... should increase overall driveability
what's nice is the guy who already have a crank pulley can add this for even more power - so it's a double pulley upgrade for some

I hope to get it installed soon, waiting for the H/E and maybe do both at once...
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Last edited by bnzuovr; Apr 27, 2012 at 11:04 AM.




This is a MUST mod for the 55's! PM me or call me if y'all have any questions, if your local hit me up for a test drive hahaha!Edit: Video of the 45-140 pull.
Last edited by ScottW911; Apr 28, 2012 at 01:54 PM. Reason: TOU violation








Their website looks very familiar design as RTR
http://www.ultimatepd.com/
http://redtoothproducts.com/
None of them has phone contact number, I smell something wrong here....




Let the members make the descision for themselves, but this is a mirror image of Red Spoof Racing pulleys, so keep in mind what ADMIN ScottW211 said, Caveat Emptor..........
Last edited by chawkins2001; Apr 27, 2012 at 01:27 PM.








Let the members make the descision for themselves, but this is a mirror image of Red Spoof Racing pulleys, so keep in mind what ADMIN ScottW211 said, Caveat Emptor..........







