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Pully Gurus . . . . . HELP!!!
I just installed a Jegs high flow water pump. It is for a 79 - 85 5.0.
My crank and front damper are older out of a 302 with a 3 bolt dampner. Here's the problem. The new water pump fits and bolts on fine to the engine, except they moved the shaft and imperller a little lower in the housing in order to fit the bigger impeller. So now the top pully hits the lower pully and will not fit. They overlap by about 1/4". Each pully is 6" in diameter. The bottom pully is a three grove even though I only use one belt that drives the water pump and alternator. No PS, no AC. So do they make a smaller diameter upper or lower pully that I can use to resolve this dilema? Ed |
Ed, try this site, check out their catalogue, I'm sure they'll have something that'll work...or call 'em if you don't see it.
www.marchpulleys.com/ |
Hi Ed,
No doubt March will have something for you - at a price! If you're interested in a more budget-oriented approach, there are at least two: a Ford dealer and a wrecking yard. You could take your present pulleys with you to a yard and get some really cheap ones, or if you can find a Ford dealer with an accommodating parts man, you can get new ones for probably less than 1/2 what March will charge you - been there done that! By the way, my water pump pulley is slightly smaller than the crank pulley. Dunno how it is supposed to be for a small block? Hit the March web site and note their pulley dimensions - that'll give you an idea of what diameter ratios can work. Hope this helps, Tom |
If your waterpump exits on the drivers side the pulleys will not line up if you have an older 3 bolt dampner. Also I think that the timing marks will not be in the correct postion also. Most all of the 3 bolt pulleys and dampners used a passenger side exit pump which has a slighlty shorter shaft.
Scott S |
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