rebuilding motor leak past heads?

[j5josher]

i ran a leak down test on the motor and it is leaking around everything...

and i was wondering if there is supposed to be a gasket around the head and jug... i ran a few without it but now im starting to wonder....
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[Randy in Maine]

No gasket between head and cylinder.

Your need some valve work.

[jeff denham]

i prefure copper on a performane engine 040 copper and 010 static deck. on a stock engine i just let it fly with iron to aluim. also you have to check head fin to barrel clearense this could be your problem . jeff d.
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[madmike]

X2 like JD said,but you can also lap them in with a little valve grinding compound for a better seal,Madmike
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'Black Ice'Drag Buggy 'Turbo'
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76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
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