Lq9 z28
11-18-2010, 07:29 AM
#1
Lq9 z28 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, 08:24 AM
#3
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
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
11-19-2010, 11:52 AM
#5
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?
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?
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11-19-2010, 03:55 PM
#8
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
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
