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243 Posts
Discussion Starter · #1 ·
what headgasket are you guys running with a similar combo...408w afr225s and at most a 250 shot...

Neither the block or heads are o-ringed....

I ran a 9331-PT on my 359 and never had a problem...but the 408 is going to make a just a wee bit more power.

Your opinions are appreciated!
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