Doing some research on whether to repair or replace the engine out of my 1984 F150, a 4.9L six with supposedly 100K on it. Long story short, 5 of 6 upper compression rings were busted. The cylinders visually look OK (still show honing, probably just needs the glaze broken). The crank journals had some wear marks, but nothing that caught my nail. Right on the rebuild/replace line.
Rockauto has long blocks from “Famous Brands” for a “low” price. I haven’t found much info on them though (other than supposedly being made in Mexico, which, to me, is more of a political “issue” than a “quality” issue). There is a 3 year warranty. Are they any good?
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