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07-01-2002, 07:33 PM
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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AAAAAAAHHHHH!!!!! (head casting numbers)
i just checked the numbers on my heads while i was adjusting the rockers (much smoother running now) and i checked the head numbers...well heres what mortec has to say about them
3998993....current..350.........Goodwrench crate motors,"Hecho en Mexico",75cc chambers    maybe i should put my extra set on there and do the rings like i need to anyways... heres the info on them 3973487....71-72...350..........used on 71-72 350 LT1, 75cc chamber same CC chamber but at least its not "hecho en mexico"...ive heard bad things about the mexican motors
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
Last edited by Blue_71; 07-01-2002 at 07:35 PM. |
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