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Old 01-31-14, 07:05PM   #1
SloBird
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Default Is there a smaller pulley for early 69 4" water pump?

I have all the front accessories(water pump, P/S, alternator, pulleys & brackets from early 69 400. I bought all of it unaware this early setup was by itself till I had to find a water pump.

Trying to make cooling system as efficient as possible, would like to speed up water pump, already have aluminum 3 row radiator w/clutch fan, shroud. Probably go electric fan, maybe electric water pump. Trying to keep it simple for now. My under hood temps will probably be higher with turbo headers I'm installing. Thanks,
David
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Old 01-31-14, 09:20PM   #2
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Yes, after market companies make smaller pullys, also with deeper groves. I'd do a Google search. Butler I'm sure could hook you up with what your looking for, they have a picture of a motor they did with all after market aluminum pullys.
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Old 01-31-14, 11:20PM   #3
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I have had to do this. I ended up using a Chevy pulley that had the correct offset and drilling the 4 fan bolt holes. Worked out perfect and dropped water temps 20 degrees.
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Old 02-01-14, 12:15AM   #4
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Quote:
Originally Posted by Mb125 View Post
I have had to do this. I ended up using a Chevy pulley that had the correct offset and drilling the 4 fan bolt holes. Worked out perfect and dropped water temps 20 degrees.
Did exact same thing on my crank pulley. Used a BBC and drill 4 new holes.
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Old 02-01-14, 02:42AM   #5
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Quote:
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I have had to do this. I ended up using a Chevy pulley that had the correct offset and drilling the 4 fan bolt holes. Worked out perfect and dropped water temps 20 degrees.
Any idea from what Chevy you found yours? Thanks
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Old 02-01-14, 11:46AM   #6
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I had a pile of pulleys and just found one that worked
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Old 11-02-16, 03:05AM   #7
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Default Pulleys

I know this is an old post but what size pulley are you looking for & what do you have now. I have a 6" pulley for the short water pump. I would sell it for $ 35.00 plus the shipping.
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