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#31470 08/19/2002 7:04 AM | Joined: Feb 2002 Posts: 167 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2002 Posts: 167 | Hi Jim,
I'm taking a guess at this. On my 235 the back left side of the block is were my oil pressure switch goes. It is "tee'd" (3 way fitting)in with the bottom oil return line, from the oil canister.
And the timing mark on mine is a triangle for TDC I believe. Each of those lines is 5 degrees.I forget what the circle is. I hope this helps.
Chevyboy62
My truck don't leak oil, it just marks its teritory.
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