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Old 01-27-2006, 06:21 PM
AMERICAN MUSCLE!!!!!!!!!
 
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New Crank Or Old

Hello, Dont Have Alot Of $$$ To Spend On My 327 Sbc. Should I Buy A New Or Slightly Used Crank Or Have It Turned. Would I Loose A Hp. I Know I Would Have To Buy Diff. Bearings. Thanks

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Old 01-27-2006, 06:27 PM
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Have it checked it may just need polishing. But if it needs turning then have it turned. No you will not lose any power. After you have it turned get the proper size main bearings and rod bearings.
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Old 01-27-2006, 09:46 PM
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It has rust all over it
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Old 01-27-2006, 11:15 PM
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The rust will disappear during the turning process.
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Old 01-28-2006, 01:17 AM
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Mic. it up.........measure it with a micrometer, not a vernier. If it's got some life left in it i.e. measures .030" thou. or less undersize, get it checked for straightness and cracks first. If its a small journal it'll be steel, if it's a large journal it could be cast or steel.

If it all ckecks out OK as above and it's a small journal, have it ground (turned), then polish it up.

If it's a Large Journal you've got more options. If it's a steel crank , go ahead as above. If it's cast crank you can go buy a steel crank or buy a 350 crank and turn it into a 350. Or you can replace your old "stuffed" crank with a budget 307 large journal cast crank which is the same stroke as your 327.

Hope that helps you out with some options.
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Old 01-28-2006, 01:45 AM
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Quote:
Originally Posted by 67camarokid
Hello, Dont Have Alot Of $$$ To Spend On My 327 Sbc. Should I Buy A New Or Slightly Used Crank Or Have It Turned. Would I Loose A Hp. I Know I Would Have To Buy Diff. Bearings. Thanks
If you have to turn it more than20/20 ,buy a new crank fom Ohio Crankshaft .. I am very Impressed with them .. The have a good Rep. and put out a excellent product .. For example a good friend of mine has a 650+ hp 454 with AFR (KILLER HEADS and on pump gas) with OHIO rod's and crank. Be extremley careful if its a small journal motor with stock parts if you are hammering it hard.. I am not saying they are garbage ,but I have wasted a few of them.. Also they can be a complete ANIMAL!! Been there also !!! Small journal motors majorly rev.Due to the light reciprocating assembly.Which is a known +. Take care and have fun,Because that's what it is all about..
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