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Old 04-05-2015, 04:41 PM   #1
fastlane
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thick or thin?

Oil pan gasket that is... so several different places on the net say measure the front seal area and if its 2 1/4" its thin, 2 3/8" its thick... Wellll, my pan is 2 5/16".

I'm thinkin' just load her up with RTV and call it a day... It's a late 60s early 70s 307, and i already bought a thin one piece felpro gasket from jegs...

Also, do I need longer bolts with a one piece gasket? it seams like only a few threads thread into the block.
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Old 04-05-2015, 06:10 PM   #2
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Re: thick or thin?

I'd say get the thicker gasket. Don't ever load it up with RTV. That's a .... well it's a rigging.
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Old 04-05-2015, 06:23 PM   #3
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Re: thick or thin?

well said! but that about the longer bolts?
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Old 04-05-2015, 06:28 PM   #4
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Re: thick or thin?

Generally you want the thickness of the bolt equivalent worth threads threaded in. So if the bolt is 3/8" thick 3/8" worth of threads should be in.
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Old 04-05-2015, 07:24 PM   #5
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Re: thick or thin?

Thick will help solve all the leaks of a Chevy Engine...
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Old 04-08-2015, 10:29 AM   #6
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Re: thick or thin?

RTV is not always your friend. A thick style gasket is so much easier than having threads of RTV snot clogging up oil pickups and suchlike.
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Old 04-08-2015, 10:33 AM   #7
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Talking Re: thick or thin?

Felpro has a one piece silicone gasket for both two piece and one piece rear mains, it also has metal stiffeners in the rails to prevent over torque.kind of pricey though, about $35+
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Old 04-08-2015, 10:46 AM   #8
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Re: thick or thin?

What Ben said....
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Old 04-08-2015, 12:24 PM   #9
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Re: thick or thin?

Quote:
Originally Posted by snipescastle2 View Post
Felpro has a one piece silicone gasket for both two piece and one piece rear mains, it also has metal stiffeners in the rails to prevent over torque.kind of pricey though, about $35+
Ben
That's the one I would buy!
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Old 04-08-2015, 12:45 PM   #10
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Re: thick or thin?

The FelPro is worth the $$$, it's pretty much set-and-forget.
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Old 04-08-2015, 02:07 PM   #11
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Talking Re: thick or thin?

put one on my 383 build
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