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supercharged 6.0L build questions (what year motor should i get)

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Old 06-07-2012, 07:20 AM
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im not to positive about the rods lol i guess ill just have to get the motor and find out, worst comes to worst i have seeen sets or the good rods and pistons go for like 100-150.

if i get the 04 motor and it has the ls2 rods i guess ill post something to lay the questions to rest lol

thanks guys for all the help
Old 06-07-2012, 08:20 AM
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Same length head bolts started at very end of 2003, so all 2004 model year engines have same length head bolts.

Floating rods started in fall of 2004, some 2004 model year engines have floating rods. All 2005 model year and up have floating rods.

This is not information I've heard or read on the internet. This is from hands on experience from ordering parts for rebuilds and tearing down many ls series engines.
Old 06-07-2012, 08:31 AM
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sweet thanks, it good to finally have some one that knows for shore about the years and all, thanks a lo0t this is just the info i was hoping to get
Old 06-07-2012, 09:45 AM
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Originally Posted by JesseByrd
after a little more reasearch i found out that the reluctor wheel stayed the same till mid 2007, others on here where saying that from 1999-2006 they had the lower number and from 08+ they had the newer sensor, that or 07 didnt use a cranc sensor that year lol, i guess my only concern now is if the 04 lq4 i am looking at has the ls2 rods or not,

thanks guys for the help but i guess my questions where out there already answered

so do you guys think stock pistons will hold up?
All the Gen III engines in the GMT-800’s from 1999 to 2007 Classic had a 24-tooth reluctor wheel, with the switch being made in the full-size GMT-900’s in 2007, but those were longer identified as a LQ4 or LQ9, so by default all LQ4’s had a 24-tooth reluctor wheel.
Old 06-08-2012, 04:26 AM
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Originally Posted by TXSZ66AVLANCHE
Same length head bolts started at very end of 2003, so all 2004 model year engines have same length head bolts.

Floating rods started in fall of 2004, some 2004 model year engines have floating rods. All 2005 model year and up have floating rods.

This is not information I've heard or read on the internet. This is from hands on experience from ordering parts for rebuilds and tearing down many ls series engines.
Yep my 03 has the later headbolts, SDPC said GM changed the headbolts in 03 roughly mid year and you dont know till you tear the engine apart, i put new headgaskets on mine when i tore down the topend and found this out.
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