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You can deduce some piston specs by goto to the NHRA superstock blucprinting specs and cross reference allowed piston dimensions with part numbers declared as legal for that same motor. http://nhra.com/tech_specs/pistons/
I havn't been able to find the TRW piston specs lately either.
Thanks for the links, but the don't help. I know before I just called them up on their tech line and waa laa.
Their site is definitely not geared to there end customers...:(
Piston in question is L2352-30 for a 400 small block chevy 3.75 crank, and 5.565 rod (stock 400). Flat top, forged piston with a dish (maybe not considered a flat top eh?).
I'm guessing at the deck height but wondered if someone can tell me the dish volume in cc's?