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Re: Engine decoding
http://www.nastyz28.com/sbchevy/spcode2.html
Did you go to this site? CMJ was also used on the 1980 305, full size/camaro. I'm wondering what the 1974 t400 police engine was too. What's the block casting number?
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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.   
Last edited by Sweet72; 06-03-2006 at 05:43 PM.
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