neonkiller Posted July 29, 2012 Report Share Posted July 29, 2012 Sorry if this is a re=post But this site has everything you wanted to know about every LS motor and broke down by year model and the differences. If you dont know , you will http://www.pirate4x4.com/tech/billavista/LSPrimer/Part1/ Quote Link to comment Share on other sites More sharing options...
NitrousSam Posted July 29, 2012 Report Share Posted July 29, 2012 Thanks for posting the LS link. I have some interest in building an LS engine for one of my projects and I have a feeling your link will come in handy. Quote Link to comment Share on other sites More sharing options...
Littleguy Posted July 29, 2012 Report Share Posted July 29, 2012 Good read. Quote Link to comment Share on other sites More sharing options...
Patterson Posted July 29, 2012 Report Share Posted July 29, 2012 I should probably study this.... Quote Link to comment Share on other sites More sharing options...
starkmaster03 Posted July 29, 2012 Report Share Posted July 29, 2012 That's full of good information. Quote Link to comment Share on other sites More sharing options...
neonkiller Posted July 29, 2012 Author Report Share Posted July 29, 2012 As previously mentioned, the industry has tended to use the designation “LS” to refer to any Gen III or Gen IV motor. From this grew the tendency to use the term LSX where X was intended to be a “variable” (like in algebra) to mean any number. Thus, the term LSX could refer to any motor who’s RPO started with the letters LS. In other words: LS1, LS2, LS3, LS4, LS6, LS7, or LS9 could all be referred to as being an “LSX”. Alternatively, the whole group could be collectively referred to as the “LSX motors”. The only problem with this method is that there is an actual engine, or more accurately an engine block, whose actual real name is “LSX”. Introduced in 2006, the LSX is a special cast-iron racing block based on the aluminum Gen IV LS7 engine block. Designed in conjunction with NHRA legend Warren “The Professor” Johnson, it offers displacements ranging from 364 cubic inches to 511 cubic inches. Capable of withstanding up to 2500 bhp, it is available from GM Performance Parts and has the following specs: http://www.pirate4x4.com/tech/billavista/LSPrimer/images/Parts/LSX%20Tall%20Deck%20Block%20X09SP_PA034_resize.jpg Photo © GM Corp. LSX Tall Deck Block 3.990' finished siamese cylinder bores (ready to be honed to your specifications) 9.70 semi-finished standard deck height (ready to be decked to your specifications) Max 4.50 recommended stroke (some additional machining required) Capable of 364 to 500+ cid (some machining may be required) Orange powder coat finish Accepts all Gen III & IV LS heads, cranks, cams, etc. Approximate finished weight : 250 lbs. Quote Link to comment Share on other sites More sharing options...
thorne Posted July 30, 2012 Report Share Posted July 30, 2012 400,000 mile longevity design Quote Link to comment Share on other sites More sharing options...
neonkiller Posted July 30, 2012 Author Report Share Posted July 30, 2012 400,000 mile longevity design add jonn linn, 25k mi only:gabe: Quote Link to comment Share on other sites More sharing options...
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