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144/170/200 Valve Cover Gaskets

Moderator: Mod Squad

BORN 2L8
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Posts: 10
Joined: Sun Feb 04, 2018 9:57 am

144/170/200 Valve Cover Gaskets

Post #1 by BORN 2L8 » Sun May 17, 2020 10:05 pm

Hi everyone,

For the small six (144/170/200) engines, is there an alternative to the cork valve cover gaskets (like a rubber gasket?). I have a 144 c.i. six cylinder with a 170 head (the combustion chambers were measured and 0.030" was milled off the head to bring it back to 144 specs) that seems to leak oil into the number six spark plug, fouling the plug. It seems to be leaking from the valve cover, although the Fel-pro valve cover gasket is new and the bolts are snugged down. Any suggestions and part numbers for alternative valve cover gaskets would be much appreciated.

Thanks!

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wsa111
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Re: 144/170/200 Valve Cover Gaskets

Post #2 by wsa111 » Sun May 17, 2020 10:31 pm

The cork, seals better than the rubber. Install bolt on tabs which distribute the sealing over a wider area.
Also make sure your valve cover is not deformed by over tightening previously.
Install a valve cover oil fill breather that is not restricted.
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67 mustang,C-4, with mod. 80 hd, custom 500 cfm carb with annular boosters, hooker headers, dual exh.-X pipe, flowmaster mufflers, DSII dist. MSD-6425CL & MSD-Blaster 8252 Coil. Engine 205" .030" over with offset ground crank & 1.65 roller rockers. 9.5 comp., Isky 262 cam.
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