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350 Chevy L83 Shortblock - $350 (Atascadero)
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This engine is two bolt main (two and four bolt mains came in corvettes); no ring groove in the front two cylinders, where cold water wears them first.
I pulled the pan, no markings on rods and caps, nothing on top of pistons, so its probably stock.
I ran it a few hundred miles in a 4200 lb duelly with 58cc, aluminum heads. It pulled hard, tires broke loose in third gear. The compression was so high, had to run octane booster thanks to Cali's octane restrictions. So, if you have some small chambered heads, you'll have to run booster with these pistons.
I'm replacing it with a 400
The license plate was my starters heatshield