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Author Topic:   Ebgine Problem
posted August 24, 2003 07:54 PM
Very possible. Was it a dual plenum or single plenum. Just guessing that it was a dual plenum. Cause the center ports on one side are joined with the outer ports on the other side.

posted August 24, 2003 08:52 PM
i had something like that happen in my pick up but it was with 6/8 bent a valve in 6 and stuck open and 8 was all beat up but valves were alright on it not 100% sure but thats what i figured happened

posted August 25, 2003 08:49 AM
yup.. totally possible with a dual plane intake. I had bad gas burn a hole through #3 piston. Found spatters of aluminum on top of #8.

I'm guessing the exhaust seat that 'fell out' wasn't peened/staked in or the motor was overheated enough for the seats to fall out. If the coolant got up around 260 or more, and the seat wasn't staked, it could have been enough for it to fall out.

[This message has been edited by Raz_900 (edited August 25, 2003).]

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