Conversions & Hybrids - Lq9 z28
11-18-2010, 07:29 AM
long story short, my motor is toast so i'm pickin up a 6.0 this weekend. it is complete from oilpan to intake. so this can just drop in and go? will my computer work? do i need a new computer? what else would i need to get/do to set this up right?
11-18-2010, 08:14 AM
....going into a 2000 m6 ex-ls1
11-18-2010, 08:24 AM
Its a GEN III to GEN III swap so the important parts are 1:1 swap
No it wont fit right in there, just look at it
Take all the external parts off your LS1 and put it on the LQ. You need to drill/tap one bolt hole for the alt to make up the difference in iron to alum blocks
Finally, are you sure its a LQ9? Tons of people are popping up with them in recent years and most are disappointed when they tear them down and find its a LQ4 that a seller put a label on for a higher price. Also, keep in mind the ONLY different from a LQ4 to LQ9 is the pistons, so if you're going to replace them EVER, skip the obscene markup
11-18-2010, 10:38 PM
very well put!
11-19-2010, 11:52 AM
ok, so i would assume that the blocks have the same casting number? i've read that the heads are a diff. casting number, could i check those and if they're lq9 heads maybe im good? its from car-part.com. this one place off that site thats close to me says they have 3:
03 GMC Yukon XL1500 w/ 55k-$1200
06 GMC Sierra 2500 w/ 63k-$1050
04 Chevy Silverado 2500 w/ 78k-$1000
he says they're all the same. sound right to anyone?
11-19-2010, 11:56 AM
k well further research tells me those are probably lq4's...
11-19-2010, 12:00 PM
k well now i found one out of a 04 Escalade ESV with 52k for $1025. wikipedia tells me the escalades had the lq9??
11-19-2010, 03:55 PM
Best way to know for sure is to check the RPOs or emissions sticker under the hood. A VIN will tell you too
LQ blocks are the same, heads are all 317's. Like I said, LQ4s were dish pistons, LQ9's flat tops
Personally Id find a more common LQ4. The obscene markup for pistons is ridiculous to me
11-19-2010, 08:16 PM
LQ4 gets a "U" for the 8th on the VIN number and LQ9 is a "N". if you get the vin thats the best way to tell.
11-19-2010, 10:20 PM
I would save the extra cash and get a lq4, much cheaper IMHO.
11-20-2010, 08:27 AM
much cheaper than 1k? its only going to cost a grand for the complete motor...i dont see a reason why not???
11-20-2010, 04:26 PM
They can be had for less
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