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| | | | Joined: Apr 2011 Posts: 22 'Bolter | | 'Bolter Joined: Apr 2011 Posts: 22 | I bought a rebuilt 55 235 from a machine shop in Kansas. After about 20 minutes of run time it started leaking oil. After around 100 miles of driving I was leaving trails in parking lots. When I would let it idle it was almost a flow instead of a drip. I didn't want to replace the seal since in the past everyone I replaced dripped a little. I ended up buying some half inch foam backer rod cutting it in two. Stretching it to get it between the cap and the oil pan. Then stretching each end and working that side in with a screw driver. Now the rear of my motor doesn't leak at all.
Last edited by Pastlite; 10/04/2017 12:15 AM.
When setting goals in life. Always aim low to avoid disappointment
| | | | | Joined: Mar 2010 Posts: 10,281 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,281 | That sounds more like "I fixed my 235 oil pan leak." Nice fix, never the less.
Curious to find out how long it will last. Keep us posted.
Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Apr 2005 Posts: 7,440 Bolter | | Bolter Joined: Apr 2005 Posts: 7,440 | Sounds like the engine builder didn't get the pan gaskets properly seated before he put the pan on. As Carl said, will be interesting to see how long your "fix" will hold. Hopefully forever! 
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: Apr 2011 Posts: 22 'Bolter | | 'Bolter Joined: Apr 2011 Posts: 22 | I think you two are right about it being the pan. I looked at my shop manual and see if it was the rear main it wouldn't have been leaking where it was. I sure didn't see any oil coming from the pan. And it was a big leak. But nobody has ever accused me of being the sharpest knife in the drawer. All through school I always rode the short bus.
When setting goals in life. Always aim low to avoid disappointment
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