Underdrive Pulleys
 

I just drove my truck in to work for the first time since they started dumping salt. Stuff finally dried out enough and I have to pick up a load of chairs for the dining room. You can really appreciate driving a full size pick-up with a V8 after driving an Escort all winter.

When I get to 70 mph one of my accessories really starts to sing. It has to be the power steering because it did it before and after I replaced the alternator (no A/C - yet).

Has anybody tried underdrive pulleys? If so what brand did you go with?

ttt

Anybody?

i have march performance pullies and have no problem up to 100+ mph so...i dont really know.......

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1972 swb, 400 sbc,
1978 malibu classic,305 balanced and bluprinted flowmasters,2 1/2 exhaust,pulleys,k/n 4" power filter,750 edelbrock carb,plus lots more......

My opinion is that underdrive pulleys are fixing your problem like killing a mosquito with a sledgehammer. If the belts are singing at highway speeds, I would say they are not tight enough. I was amazed at how tight I had to get the alternator belt to make that sing go away. My cruise RPM on the highway is about 3700.

[This message has been edited by Brad69 (edited March 27, 2002).]