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This is a discussion on lightweight crank pulley within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Just had a perrin lightweight crank pulley installed. Whats people thoughts on these?? What exactly are these ment to do ...
Just had a perrin lightweight crank pulley installed. Whats people thoughts on these?? What exactly are these ment to do for the engine?
Ask first, purchase second
2005 WRX STi (Mods | Virtual Dyno)
Resident Tuner @ WTF Tuning, LLC
"Never trust anything that bleeds for a week and lives ..."
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Thanks for a normal responce. dont seem to get that alot on here anymore.
So i guess its normal that I feel a change in throttle responce?
Just seems like the rpms are rev hire. I dont know maybe just gota get use to it. hope this was a good choice in getting.
thanks again.
I installed my lightweight pulley a few months back and immediately noticed the difference. Better response, quicker revs. To me, it's the poor man's lightweight flywheel. Highly recommended!
You can't blame a compass for pointing north.
'02 Wagon, modestly modded for now.
Better response, quicker revs (I supposed you mean in a upward direction) but how about when letting out the clutch or between shifts? Does the lightweight pulley that is lowering rotational mass affect how the engine handles shifting? Does it enable you to do quicker shifts? Does it reduce the 1st to 2nd wait time by 10 minutes?
(That last one was a joke, but seriously...)
2005 WRX WRB
Comprehensive Mod List
+1. As edgy as Matt's comment seems, I would take this to heart.
The LCP is a "poor man's lightweight flywheel." While you will get slightly better throttle response and theoretically more power, I am convinced that the effects on the butt-dyno are largely perceived by placebo. At the end of the day, a 3 pound reduction in the crank pulley is less than a 10% reduction in rotating mass. It does make difference, but less so than we "feel."
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Originally Posted by Mikie13
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