crank choice

Old 03-10-2010, 06:08 PM
  #1  
bigcrunch
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Default crank choice

13-1 compression, 10-15lbs boost, alcohol fuel

Scat 4340, eagle 4340, gm forged ??

this is for a spare motor, I don't have the fuding for a crower, moldex, bryant,,,,
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Old 03-10-2010, 06:55 PM
  #2  
gnsrule
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Ok, I'll bite...
13:1 w/ 15 lbs of boost on alky. Sounds like you really should have the Crower, Moldex, Bryant, etc..

Craig
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Old 03-10-2010, 08:32 PM
  #3  
cepx111
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Ok, bite #2

Is it a big block, small block, ford, chebbie?
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Old 03-10-2010, 09:43 PM
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zipper06
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How big is the blower, IE: b/blk or sm/blk, rpm range? From what i've been reading Scat has a better handle on the inspection, although both cranks are the same varity (Chinese)
I've run both in sm/blks with good luck (so far)

Zip.
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Old 03-11-2010, 07:09 AM
  #5  
bigcrunch
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BBC tall deck, 8/71 with striping and anodized. 6000rpm max on this one.
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Old 03-11-2010, 07:53 AM
  #6  
bigcrunch
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Anyone have experience with this brand?

http://www.ohiocrank.com/chevybb_cranks.html
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Old 03-11-2010, 10:14 AM
  #7  
TS1955
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A friend of mine has one in a 526 blown big block chevy. Oddy dynoed it at 2200HP. He has ran it one season so far in a rail buggy.

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Old 03-11-2010, 11:32 AM
  #8  
bigcrunch
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TS1955 which crank the Ohio 4340 or their billet?
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Old 03-11-2010, 01:01 PM
  #9  
zipper06
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Originally Posted by bigcrunch
Anyone have experience with this brand?

http://www.ohiocrank.com/chevybb_cranks.html
Same as the Eagle or Scat in the 4340 version ( Chinese imports) although the Billet may be American made.

Here is a couple good reads on crankshafts, i realize they're talking about Chrysler cranks, but incluces all the crankshaft companies.

http://forums.racingjunk.com/viewtopic.php?t=13515

http://www.forabodiesonly.com/mopar/...ad.php?t=90763

Zip.
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Old 03-11-2010, 02:27 PM
  #10  
cncmotorsports
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Callies Dragon slayer would be just fine for you. USA Made
Depending on your stroke they start at $1050.00

Anything cheaper than this is a Chinese crankshaft
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