5.2L Magnum Heads, Intake, and Injection on a 360 LA Block and Bottom End

DartVadar said

I may be wrong but aren't magnum 318 and 360 heads the same?

And either way magnum heads are prone to cracking, so they would have to be checked out first and rebuilt because of the high miles.

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Yes, there the same head. You can rum magnum heads cracked. They normally crack and more often than not, have no ill effect on the running engine. You assume to much. My wife's engine has 285,000 + miles. Runs strong, passes emission test with ease, burns a quart of oil every 3 months, doesn't loose coolant, never runs hot, pings, cough, jerk, hic-up's, etc...