Quote:
Originally Posted by Solid LT1
Before dumping a bunch of money re-sleeving the block I hope your aware that the LS2 block is probably the best bang for the $$$$ in LS performance. Pricing a new block at Summit.....they are $1120.00. I would reuse your existing parts and buy a set of shaft rockers before spending the $$$ for an LS3 upgrade.....I take it the motor is pretty low mileage and all other 7 cylinders are in good shape. Sleeves are great if you plan on dumping a big load of N2O or blower/turbo upgrade, if your staying normally aspirated there isn't any big advantage in installing a set of sleeves. You might want to check over on the Corvette Forum, LS1 Tech or other sites for a quality LS builder if you don't already know of one. Good luck on the rebuild, I really like your Bird!
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Shaft rockers are unnecessary in his application and you're just adding weight to the valvetrain which will require more spring to control it. I'm still using upgraded stock rockers on mine with a stud girdle and spinning it to 8,000 rpm with no issues.