Quote:
Originally Posted by 79shortbed
010 and 020 are the most desirable of the 3970010 blocks. high nickle, etc. If it was originally from a 30 series truck, I'd put my money towards is being 4 bolt mains.
Heads are just low compression smog heads with 1.72 and 1.5 valves.
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Sounds good so far! Thanks. Perhaps we'll be changing out those heads later for some better flowing ones. Seems like they might be good for some Low End Tq though!
Appreciate the chiming in. Working the Flexplate discrepancy now....
/Ivan