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Re: How can i tell exactly where my engine came from
3970010 was the most mass produced 4" bore block GM ever made. So the numbers and suffix code on the front of the passenger side head will tell you everything you want to know.
If it's "corporate blue" from the factory it was originally installed in a 1975ish or later vehicle.
If it has a long water pump and the alternator on the passenger side, then it didn't come in 1970. All 67-72 V8 trucks had short water pumps and alternator on drivers side.
Gary
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'cuz chicks dig scars...
My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.
The Rebuild of Creeping Death after the wreck
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Originally Posted by LONGHAIR
I would never rebuild a 305.
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Quote:
Originally Posted by prostreetC-10
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
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Quote:
Originally Posted by Marv D
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Quote:
Originally Posted by cableguy0
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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