Quote:
Originally Posted by gmsii
Why fixate on pulley weight? Lighter isn't necessarily better. You have a stock engine damper that was designed to help dampen to harmonics of the boxer-4 engine layout why would you remove it?
In race engines we build we usually see horsepower gains and smooth engine performance when we use heavy harmonic dampers such as the ATI super dampers
the ultra lightweight aluminum crank pulleys compromise the reliability of the engine....they are widely made and sold because they take no engineering or tooling to make, can be made cheap, and people buy them...unfortunately
The larger accessory pulleys are fine , just not the crank pulley
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because I need to be able to blip the throttle for rev matching since it's a safety issue at track, I locked up my rear tires and spun out at 90 mph
no phun!! .. since with SC parasitic load/loss comes in play which ultimately slows the engine revving I have to find a way to compensate that..
the only alternatives seem like lighter crank pulley and/or lighter flywheel at the moment..I also ordered some Cusco Accelerator pedal but it will maybe a help a bit but I don't expect by much..
AFAIK, FA20 engine doesn't use harmonic balancers is that what you mean in your first paragraph?