i got a short block of some guys i know they said it came out of a truck lol
there rednecks and they didnt wanna fool with it after they priced a rotating assemly and they figured out this aint no carburated sbc that parts are a dime a dozen for

but idk if its a 4.8 5.3 or maybe a 6.0 block how do i tell

 

and whats the bore size and stoke on these

 

Block size is cast in the block. 4.8/5.3 are the same block 6.0 is different.
http://en.wikipedia.org/wiki/GM_Vortec_engine#4800

 

were is it cast at

 

Cough Cough
Cough Were Do I Look

 

if i remember right it should be on the front right of the block, behind the alternator bracket.

 

Stamped?? Or A Sticker

 

Found It It Says 4.8/5.3 Grrrrrr Wish It Said 6.0 Special Haulin *** Edition With Anti Rice Burner Technology Lol

 

keep it and bore it to a 5.7