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04-14-2002, 12:47 PM
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#1 |
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Registered User
Join Date: Nov 2001
Location: Albertville, Alabama USA
Posts: 299
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Throwing fan belts
Twice in the past week I have had the fan belt come off under high acceleration. The first time I thought it was a fluke. I tightened everything and all the pullys seem to be inline. Happened again last night. Any help?
------------------ 1967 Chevy white SWB, 327, 350 trans., 95 Silverado power buckets, frenched third brake light, frenched antenna, digital gauges, power windows, tilt wheel, Vintage Air, Painless wiring, Cragar SS wheels. Located in Albertville, Alabama
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1977 Short Stepside, black, 350/350. Located in Albertville, Alabama. |
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04-14-2002, 12:55 PM
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#2 |
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Senior Member
 
Join Date: Dec 1999
Location: Darrington, Washington
Posts: 3,963
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if pulleys are in line,try a narrower belt,or step up and buy some deepgroove pulleys,what kind of rpms we talking?
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04-14-2002, 01:07 PM
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#3 |
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Registered User
 
Join Date: Apr 2002
Location: Choctaw, OK
Posts: 235
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Mine was doing the same about 4000 rpm, but my crank pulley flange was too big to fit inside the center of my harmonic balancer, so it was off center by more than 1/8". I don't know which was incorrect, but I needed an A/C pulley anyway, so I found a balancer/ pulley combo at the wrecking yard and now I do 5000 no problemo.
------------------ '69 Custom 10 SB '66 Mustang Sprint '77 Sportster
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'69 Chev Cust/10 swb, 350/700R4, 5"/6" '70 Chev C10 swb, 67 front, 454/700r4, 4"/5" '73 Chev stepper, 350/3 spd '84 Chev K20 350/4 spd '91 GMC 1500 Suburban 4x4, 350/700R4 |
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