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i have run across a sbc in the junk yard on the front tab says t1111cmj and the rear tab says 3970014 . what ive found is 2 sites that say 350 one of those say its a 300 hp la built police engine and another site that says 82 305. im not sure if the heads are stock but 333882 comes back as 350 heads although they may have been swaped. any1 know what la built means? thanks in advance for any help.
 

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Casting number is definite 350.
CMJ 1974 350 t4OO police - 4 full size
CMJ 1980 305 automatic trans. H - - full size/Camaro
A 1974 350 won`t have much power. By this time the emissions era was in full swing and there were no more 300 horsepower small blocks.
 

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3970014 350 68-79 H.P. 200-255 car & Truck 2 & 4-Bolt

cmj= Code Year CID Vehicle HP RPO Trans Carb Comments
CMJ 75 350 Impala 145 L-65 TH 350 2-Brl A.I.R.
CMJ 75 350 Chevelle 145 L-65 TH 350 2-Brl A.I.R.
CMJ 80 305 Impala 155 LG-4 TH 350 4-Brl
CMJ 91 350 Cadillac 185 L-05 700R TBI


T = Towanda Plant

11= November

11= 11th day

Thanx to chevymania.com

-=Fred=-
 
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