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Sorry to hear about your blown motor You might try A&A Corvette in Oxnard. Once, a long time ago and a galaxy far away people were concerned about numbers matching between their car and the motor in the Corvette. You might try and find a quality shop who can rebuild it for you. Try and start a thread in the Tech section in this forum if you haven't already. If the block and heads are still in one piece, I would personally stay with the original block and heads, but I ain't the one with the sack motor, sorry.
If all else fails join a Corvette club near you and ask around, at least attend a meeting once for free, I did and they are great too!
Hope you get to: "See the USA in your Chevrolet", soon again. Best wishes.
Before you look for a rebuilt LS1 (or LS2), check with a vendor like West Coast Corvettes for the price of a new one. They have long block LS1 engines, less the throttle body, listed for under $5400. It ran me over $5000 to rebuild my last FE Ford, what with balancing and align boring and so on. A warranted new engine could be a bargain.
That said, the cheapest I've seen a cast iron 350 rebuild was in the $1500 range when all was said and done. Done right, it was over $3000 by the same small shop in rural Northern California. Just a valve job, new valves, my son doing the labor, cost my father in law about $800 in parts and machine work, on a GM 3.8 liter V6.
thanks for the quick replies, i have a good discount on the labor, im just wondering how much a rebuilt motor would cost, not to rebuild mine. its kinda.... not fixable.
its kinda.... not fixable. Ouch too bad for you, man that is sad, now you have an LS1 Marine Grade Boat Anchor. Via con Dios, buddy and good luck piecing things back together.