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Location:  Main Index » Forum Index » 55-57 Central – Sponsored by Bob’s Classic Chevy » 1955-1957 ( Modified / pro street / show) » Timing cover oil leak
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Username Post: Timing cover oil leak        (Topic#284061)
CB56 
"10th Year" Silver Supporting Member
 Posts: 140

Loc: Camarillo,CA
Reg: 12-27-02
 07-13-12 07:29 PM - Post#2247955    

Hi guys,a few days after I put the timing cover on I noticed some assembly lube at the base of the timing cover where it joins the pan. I retightened the cover and still some seepage the next day. I pulled the cover and replaced the gasket. Again some seepage. I am using an Edelbrock 2-piece cover and used their gaskets the first time and a Felpro gasket the second time and used gasgacinch as sealer both times as recommended by Edelbrock. I'm now looking at doing it a third time tomorrow morning only this time using RTV. It almost appears that the gasket is getting saturated and is weeping.
Anyone have any thoughts on how to correct this or has had a similar problem. The engine is a 327. I don't want to install the engine until I correct this problem.
Thanks, CB56

 

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62chevy427 
"7th Year" Silver Supporting Member
 Posts: 1498
62chevy427
Loc: laurens sc
Reg: 04-13-06
 07-13-12 08:05 PM - Post#2247975    
    In response to CB56

i always use sealer,usually the high temp orange kind since it does not show up much on chevy orange, in the corners and on the gasket, generally,there will be no leak.
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Allan In NE 
Contributor
 Posts: 897

Reg: 12-27-11
 07-14-12 04:46 AM - Post#2248035    
    In response to CB56

Take the pan off, lay it upside down on the floor and rap the front area with a large rubber mallet to spread the radius.

Front seal surface has way too much 'arc' to it.

Allan
Lifelong GM automatic transmission specialist


 

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Location:  Main Index » Forum Index » 55-57 Central – Sponsored by Bob’s Classic Chevy » 1955-1957 ( Modified / pro street / show) » Timing cover oil leak
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