Polyurethane vs. Polygraphite

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Feb 8, 2004 | 11:24 PM

ksrammstein

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Joined: Dec 2003

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From: North Olmsted, OH

Car: 1984 Pontiac Trans Am WS6

Engine: H.O. 305 5.0L;L69

Transmission: T-5; Axle Ratio 3.73

Polyurethane vs. Polygraphite

Is there really a difference? Is one better than the other? Is PST the only company to only offer polygraphite?

Feb 9, 2004 | 12:15 AM

25THRSS

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From: Glen Allen, VA

I think I remember reading that PST was just energy suspension with a different name. Not sure if the polygraphite actually makes a difference as far as noise goes over the polyeurethane.

Feb 9, 2004 | 07:36 AM

MdFormula350

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From: Maryland; USA

p-graphite is suppose to lessen squeaks that poly-u sometimes has.

Feb 9, 2004 | 10:21 AM

Pat Hall

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From: Roy,UT USA

I've got regular energy suspension poly bushings on my 69 camaro and the PST polygraphite kit on my 89, and I can't tell a difference between the two squeakwise. Of course I have heard some people say they get bad squeaks with poly, guess I just got lucky.