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ropinfool
01-28-2004, 19:12
What would the results be if an ignorant non-diesel page member were to rebuild a "J" 6.2 n.a. and install "C" heads on it? The injector pump is calibrated to a "J" engine. I'm wondering if this is what was done to my engine when it was rebuilt before I bought it. The receipt shows the original heads were cracked and the owner brought in another set. They were cracked also but were repaired by the machine shop. Thanks. John

britannic
01-28-2004, 19:37
It would probably be overfueled and need the pump turned down. The C heads were designed for economy and didn't breathe as well.