anyone have a link or info on LS heads

like valve size
combustion chamber size
port sizes etc

5.3- ls1- ls6- 317 all stock, comparing each?

 

-1997+ 5.7 ls1 heads;66.67cc,200cc intake vol.,70cc exh.vol.,2.00 intake valve,1.55exh.valve

-2001+5.7 ls6;64.45cc,210cc intake vol.,75ccexh.vol.,2.00 intake valve,1.55exhaust valve

-1999+ 4.8/5.3 lr4/lm7;61.15cc,200cc int.vol.,70cc exh.vol.,1.89intake valve,1.55 exhaust valve

-1999-2000 lq46.0;71.06cc,210cc intake vol.,75cc exh. vol.,2.00 intake valve,1.55 exh. valve. cast iron head

-2001+lq4 6.0; same as above except head is aluminum

-2002+lq9;71.06cc,210cc intake vol.,75cc exh. vol.,2.00 intake valve,1.55 exh. valve.

 

http://www.smokemup.com/tech/ls1.php

 

Okie5.3 PMd me that link around lunch

thanks for the help guys

whats the CR with a set of 5.3 heads on a
LQ4?
If someone has that readily available.

 

bill I got will handzels book on hipower gen 3's Ill let you borrow it got all the stock info you need plus I got a build spec sheet on the 5.3

 

GMHTP or Superchevy or one of those did a very indepth article comparing these heads--it was this year,anyone know? I will see if I can find it for you.Todd