My serp belt is squeaking at times, but not all the time. If I'm at idle, and rev it up around 4K, it squeaks pretty bad. Same happens when the car is cold and about to die (no choke), I'll give the throttle a little stab to keep it alive and it squeks there too. This belt only has 1400 miles.
Shep Qualified old guy. Dad of Willspeed. 89 Donor.Mk. III IRS, 302,equal length headers, 65 mm throttle body 77 mm MAF,Kenne Bell Supercharger,Levy bump steer kit & Koni Shocks.Finish line nudge bars, Cobra Earl Trunk, FFMetal batbox and footbox,APE hardtop, Vintage A/C, Lucas windscreen washer. Detailed, painted, graduated. Driving, adding stuff.
I had that problem with my March pulley set up. I have just the basic alternator,crank pulley and water pump. I customized the set up a bit (didn't like the alternator sticking up around the valve cover hight). I didn't have enough surface area of the alternator pulley making contact with the belt surface. I took a
little bit of the peaks off the pulley and no more squeal.
You can also try a Gator belt from Goodyear,
believe Summit has them.
If people concentrated on the really important things in life, there'd be a shortage of fishing poles.
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