With the controversy on the crank pulley, and the fact that I may go with a light-weight flywheel at some point, I was thinking I may get the underdrive pulleys. DO these work?, and they don't cause any engine problems, right?
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I dont have them on my M, but I had them on my previous mustangs...they worked..noticeable difference..well worth the cheap price when compared to what you pay for exhausts or other small performance increases.
i know some people are hesitant to put them on their cars, but I'm pretty sure most of come to the consensus that they are fine and wont do any damage. Maybe your headlights will be a bit dimmer at idle..but thats about it. -
Ok. thanks.Comment
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I took my URI pullies off, but that included the power pulley. I am putting them back on because I now miss them. I just need belts.. and I can't seem to find the instructions to my set on URI's site.Comment
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I just had TMS underdrive pulleys w/alt. put on and I love em. Very noticable and not that expensive. I'm interested in adding a lightweight flywheel but not sure if you can w/ pulleys.
Silver 98 M3/4Comment
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You can add a ltw flywheel with all the other pullies except the crank pulley.
You either do the crank pulley and not the ltw flywheel, or you do the ltw flywheel and not the crank pulley.Comment
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Has anyone done the pullies (except the crank) with a JC kit? Wonder what kinda power gains you sould see from that combo?Comment
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