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Mod | | | Forums66 Topics128,130 Posts1,056,714 Members48,454 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2008 Posts: 52 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2008 Posts: 52 | Has anybody had the problem of oil sipeage from around the hole in the block where the Dist. goes in. Fixed how? , o-ring, gasket, silicone, suggestions? Thanks to all. | | | | | Joined: Feb 2004 Posts: 29,838 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,838 | The best fix would be to machine a groove or two around the distributor housing for about a 3/32" O ring. The original HEI distributor used a gasket between the block and the distributor housing, but once that flange is machined or filed away, there's nothing to seal to with a gasket. A lathe cutter with the correct radius to fit an O ring would be pretty simple to fabricate.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Is your roadraft tube clean & is there a breather cap on the valve cover? I'm wondering if you are building up pessure in the crankcase. You could put a little RTV on it & set the timing before it sets up.
Last edited by Wrenchbender Ret.; 11/09/2008 4:20 PM.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Aug 2008 Posts: 52 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2008 Posts: 52 | Thanks for the replies, The tube is clean and I do have the breather cap on it, I think I'll try an o-ring or a bead of silicone. Thanks to all. | | | | | Joined: Aug 2008 Posts: 230 Shop Shark | | Shop Shark Joined: Aug 2008 Posts: 230 | man a lot of guy's go through a lot of grief on the hei conversion my old man just used the stock 250 hei left the clamp shoulder (no leak )and made a intermediate shaft to pin on to the end of the shaft to engage the oil pump .don't look trick but eliminates a lot of problem's . | | | | | Joined: Jul 2005 Posts: 2,031 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 2,031 | i made a very simple gasket
it moves and no messy silicon to clean or redo.
Last edited by carolines truck; 11/12/2008 9:30 PM.
Jim & Caroline
The highway is for gamblers, better use your good sense."
Gooday-that's my 1¢ answer due to the lousy economy ~ cause I ain't got - no . mo . doe
Every Shaver | Now Can Snore | Six More Minutes | Than Before ... | Half A Pound for Half a Dollar | Spread On Thin | Above the Collar || BURMA-SHAVE
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