Info On L33 Heads. What are LS2's.

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08-18-2005, 02:50 PM

therock

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Info On L33 Heads. What are LS2's.

Off a post from the LS2-LS7 section the Non-DOD L33 has LS2 heads.
If so, what are the advantages and over what? Do the LM7's not have LS2 heads?

The text below is from post #13 HERE

Quote:

Originally Posted by NO-OPTION-2002

"Now some good news -- not only are the new LS2's getting these great heads but the new LS4 DOD 5.3L in the 05-up trailblazers/envoys/grand prixs (yes GRAND PRIX's ) come with them. 05 trucks with the new L33 aluminum HO 5.3L non-DOD also get these heads."

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08-18-2005, 02:56 PM

02sierraz71_5.3

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the lm7 is a 5.3 and the ls2 is a 6.0 different bore diameter someone correct me if Im wrong but that statement doesnt make any sense I wouldnt think GM would do that you would have a lip in the combustion area