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2,896 Posts
Here's another heads up on aftermarket parts.
I just (10 minutes ago) checked a new Eagle cast steel 400 Chevy crank, literally out-of-the-box.
The #2 main had .0025" run-out, #3 had .002, and #4 had .004" run-out. Crank no good. The customer is sending it back. I told him that it's possible that the next one may be similar. He's willing to take the chance, but if it is, he'll have that one turned.
The moral of the story is, you have to check EVERYTHING. Be it heads, rods, or cranks, take it to a good shop and have them checked out. It will save you a LOT of headaches.
tom
I just (10 minutes ago) checked a new Eagle cast steel 400 Chevy crank, literally out-of-the-box.
The #2 main had .0025" run-out, #3 had .002, and #4 had .004" run-out. Crank no good. The customer is sending it back. I told him that it's possible that the next one may be similar. He's willing to take the chance, but if it is, he'll have that one turned.
The moral of the story is, you have to check EVERYTHING. Be it heads, rods, or cranks, take it to a good shop and have them checked out. It will save you a LOT of headaches.
tom