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Old 11-07-2020, 06:53 PM   #13
Bored&Stroked
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Join Date: Jan 2011
Location: Central Ohio
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Default Re: French flat mods

Quote:
Originally Posted by Brian View Post
If you run the earlier pumps as B&S suggests, they'll need to be the truck pumps [double pulley], and plug the top bypass holes in the block. The French block doesn't have the lube holes to oil the bushes found in the regular pumps.
This is only true if you're running original 37-48 water pumps with the bronze oil-lite bushing in them. Most of the repop/modern pumps (single pulley) have a sealed ball-bearing in them - instead of the bushing, so they need no oil.

I have all my stock pumps rebuilt by 'Skip' so I have his much better impellers and sealed bearings. I like this route - versus the repop pumps.
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