Hi! First time posting.
I have a 1981 Cadillac Deville with the v864 6.0L engine.
I'm averaging 8 miles per gallon city, 10 highway (65mph).
It sounds and drives like there's a cylinder missing- no guts, and can barely make it up to 85 mph.
I hav...
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i have heads off of a v864. there are funky spacers or something between the plugs and the block. does anyone know if these are factory. or what they are for? help please soon...
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