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Old 01-25-2013, 07:35 PM's Avatar
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Originally Posted by cobalt327 View Post
I agree- I'll be by in a minute to haul it to the dump to save you the trouble.

Why is it that no one bats an eye at turning a cast 400 sbc crank down 0.200"(!!!) to fit it into a 350 block, but worry about a LJ steel crank being turned down 0.030"??
Amen.. I say Amen!!

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  #17 (permalink)  
Old 01-25-2013, 09:47 PM
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Often times these threads ask questions that doesn't completely cover the total work needed.

Look at this analysis.

This engine has already gone through turning the crank once.

Now it needs it again according to his machine shop.

But we are rejecting his machine shop's suggestion the crank needs replacement.

Yet we are accepting the machine shop's inspection of the block.Well atleast that fact it isn't cracked.

Me??. The question I have is if we reject the machine shop's suggestion of a replacement crank,why would we accept that this block doesn't need a line bore now what would be a third time being repaired for bearings??. Rains down heavy on me is WHY??. What is creating all these bearings to be chewed up??. Is his crank bent??. Again before the third time isn't a charm,WHY??.
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Old 01-25-2013, 09:56 PM
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Igary,thanks for that post. I always assume that all engines get some kind of blue printing.Remembering the basics is important. The machine work needs to be accurate and cranks need to be straight. well chosen parts adds to a better engine.
dont rely on luck,do it right the first time.
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