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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Power Train Tech Forum -> Drive belt just broke
Post Info TOPIC: Drive belt just broke
Leo2+2


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Drive belt just broke
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My V-shaped drive belt broke today, lucky I wasn't far from home. Will try to buy one tomorrow morning if stores are open otherwise will have to wait.

I wonder should I leave 1/2 or 3/4 inch deflection? I don't want to put it too tight nor too loose.

67 Parisienne V8 with a 305 from a GMC pick-up instead of it's original 283.

 



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"Dad, which car are we taking?"                      "The Pontiac!"

"Which one?"                                                    "The red one!"

'67 Parisienne 2+2 - red

'01 Montana            - red

'06 Buick Allure

'12    Japanese minivan
4SPEED427


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I'm not sure what GM recommends. I always make them so that gentle pressure on the top of the belt in the middle of the span between pulleys would deflect maybe 1/2 an inch, no more than. You don't want it too awful tight or you'll find yourself replacing a water pump I'm betting.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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