not really...everyone over exadurates the weight of v8's...your adding maybe 75-150lbs tops to toss in an LT1, which has an iron block...LS1's are a bit lighter then an LT1. itd be like putting on a large turbo, and fmic setup for the most part.
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El Pendejo Loco
2002 Suzuki Hayabusa
1507 "dry" block
Brocks megaphone
Spencercycle 10" swingarm
MPS auto shifter
Hays convertible clutch
Yea, that about sums it up...