What GM motor is this? When i look it up I'm getting mixed signals casting# 3970010 ...I get Z28 68 / 69 Engine code V0428TDR...I get 78 or 80 Chevy truck Car VIN# C8F182 21...I'm lost here Any genuine help would be appreciated. Thank you, Guy
I think it isn't a Z-28 engine, the truck thing seems more likely. Could be a 2-bolt or 4-bolt main engine.
1978 350/155 horse, 4 barrel, automatic trans, conventional cab truck, California emissions. Stamping on engine tells us this- V is assembled at Flint Michigan, and 0428 is April, 28th. The C8...... in the vin denotes Chevrolet, 1978.
I have lost the information for the engine code, but the casting number is for either a 69, 302 Camero 4bolt, or for a truck, either 2 or 4 bolt block. I used to have the complete list from Super Chevy to interpret the stamped codes, but I have torn the house apart twice looking for them, and have not been able to find them. I will have another look tonight. I have an engine from a 73 Canadian GMC 3/4 ton van with the same casting number. It is a 4 bolt engine. Bob
78 chevy truck, pretty obvious...the Txx suffix means truck, the C at the beginning of the VIN means Chevy truck, the 8 in the Vin means 1978
I found my suffix tables, and this is the decode cu in trans, HP barrels Vehicles 1972 TDR 350 conv. cab, a/t 175 4 K-10 & 20 Bob
Nothing special about it but check for cracks and defects then you can build almost any SBC with it. Should be cheap to buy.
If it’s a 4 bolt 0010, you have a choice to build a 302,327,350 or even a 383. If it’s .030 over, and low wear such that.040 over is possible, ok, otherwise pass. Sent from my iPhone using H.A.M.B.
seems like you want someone to agree with your conclusion.if it makes you feel better than that is what you think it is.yes the meds will h elp as time passes delusions are a hard thing to cure
OK, now go out and buy a Corvette; install that engine in the Corvette; now remove it from the Corvette, and sell it as coming out of a Corvette. Pretty simple really. Personally, I'd put it back in a truck, where it belongs. I am Butch/56sedandelivery.
I had a similar engine that was a 350 and I ran into a major problem with mine. When it was time to replace the starter motor I purchased a new one but did not think to measure the bolts or to ask if they were metric or standard before I installed it. I installed the new starter motor and after about a month it would start to grind so I replaced the flywheel, shimmed the stater motor and also put a bracket on the starter motor for more support. After replacing a few more starter motors I noticed a few small cracks around the outside bolt hole caused by using the wrong bolts! Between the late 70's and the early 80's starter motor came with both metric and standard bolts and the problem was they were not the same in diameter or length once torqued down down they caused the cracks. My motor was out of a 1977 or 78 Corvette. Do not install a New Starter motor until you have checked the bolts or you may be destroying a good engine. I could not find which years Chevrolet changed from standard to metric bolts in these engines. Jimbo
I have two "010" motors that came out of medium duty C-60 school buses from the mid 70's. Both are 4-bolt 10-20 blocks.
They all use 3/8-16 bolts. but that does not prevent people from using the wrong bolts in them, or otherwise screwing up the threads in the block. the fun thing is that later starters use metric bolts, but only PART of the bolt is metric! the shank, not the threads. These trick bolts are really confusing if you dont know what's going on
The Jalopy Journal
