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Old 06-17-2004, 09:23 PM   #1
mastercraftkpk
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crankshaft casting number help

Does anyone have a good source for looking up SBC crank casting numbers?

I have a 350 crank w/#3832442.

TIA

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Old 06-17-2004, 09:33 PM   #2
CanadianFolk
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http://www.mortec.com/notepg1.htm
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Old 06-17-2004, 09:45 PM   #3
Sweet72
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Can't seem to find your crank casting no on either the mortec or nastyz28 sites. Two other casting numbers with 383XXXX are 265's and 283 50's and 60's vintage.
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'72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water pump, Holley 4bbl vac sec, TH350 with B&M Shift Improver Kit. 12 bolt positraction.
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Old 06-18-2004, 01:57 AM   #4
CanadianFolk
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Crank-3832442.......stroke 4.000x3.484
Conecting rod forge no/s 3923282 or 3946841
350-5.7 high preformance..thatll bring smile to ya..
67-95

....not that lm a know it all but l can copy and paste realy good ..cheers. :O)
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Old 06-18-2004, 01:59 AM   #5
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do google seach gm 3832442
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Old 06-18-2004, 03:47 AM   #6
jimfulco
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Casting numbers are sometimes not clear. The -442 crank is 3932442.
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Old 06-18-2004, 03:35 PM   #7
mastercraftkpk
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Thank you ?Gentlemen?. It seems to be the orig/stock crank for my engine('71 LT1).

The cylinders are still stock size w/ very little taper and not out of round, but I found a deep score on the last cylinder I honed this afternoon. Looks like I will need to bore @30. To bad

Thanks again.

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