Quote:
Originally Posted by Skip Fix
Mike I have an original HO pan on one motor and I bought a trap door form Canton and copied one for another motor in the 81 TA. I did find when using the HO pan autocrossing with road race tires a "stop box" at the end where you had to stop hard would drop the pressure some, but corners no problems.
I never had any luck sealing 3 tab pans. Seal was half round so it would slip easily and it seemed 1/8" too long so it was starting to move just laying it on the pan. I use a dremel to convert them to a 5 tab and use the flat 5 tab seal. Most aftermarket pans are 3 tabs.
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Agree, the 3-tab seal is a lousy design. Over the last 15 years or so, I have had best luck eliminating the seal entirely. I think I will weld up the 5 tab slots and just use a 1/4" bead of RTV. That has been working well for me .