6.0 to good to be true???????
6.0 to good to be true??????? Well guys i have been searching for new motor and i came across this and was wondering what you guys thought. It seems like a good deal to me i just dont know how hard it will be to swap over from my ls1 heres the specs on the short block only no heads (6.0L iron block , Stock Crank And Reconditioned Rods w/ARP Bolts,NEW ARP Main And Head Studs,NEW Diamond Forged Flat Top Pistons, NEW Custom Crane Cam 228/236 @.050 .624/.600 Lift on a 114 , NEW GM Lifters, New Lifter Trays, NEW Cloyes Dual Roller Timing Chain, NEW SLP Oil Pump And Pick Up, New Camaro Oil Pan And Windage Tray NEW Knock Sensors And Oil Pressure Sender,New Cometic Head Gaskets. Motor Is Fresh Never Had Oil Put In It.$1200.00) I have also found a set of stocks heads with a fresh rebuild for $325 at a local machine shop i guess a guy never came back to get them and they want them gone so for a grand total of $1525.00 minus all the little things for a new motor i think i will be doing pretty good just need to know what i need to make the swap thanks....Charles
Staging Lane
Joined: Jan 2010
Posts: 68
Likes: 0
Off the top of my head I think the intake is different, knock sensors are relocated, map sensor is relocated (although not positive about this one), make sure your cam reluctor matches your PCM. If you are going with the LS2 specific injectors then you will need to use an adaptor harness as LS1 and LS2 injecotrs are different.
With all that said I am basing my inputs on an aluminum block 6.0L, things may be a little different for the iron block casting.
Anyone else feel free to correct me as it has been over three years since I did my rebuild and the memory isn't as good as it used to be
. Thanks
With all that said I am basing my inputs on an aluminum block 6.0L, things may be a little different for the iron block casting.
Anyone else feel free to correct me as it has been over three years since I did my rebuild and the memory isn't as good as it used to be
. Thanks 
Teching In
Joined: Nov 2009
Posts: 43
Likes: 0
From: Mooresville NC
Great deal , go for it !!! most of the stuff will swap over with no problems..... the knock sensors are located under the intake on your ls1 , just use the ls1 valley cover on the new motor.... im not sure about my reluctor wheel but i think its of my old ls1 also , ( I bought my car with the swap was already done ! ) it looks like a straight forward swap ! I wouldnt pass that deal up , if it is what they say , you wont be dissapointed ! With that cam you will need a 3500 ish converter to get the most out of it ....
Last edited by Scooter76; Jul 19, 2010 at 12:01 PM. Reason: added some info
Sounds like an awsome deal!! I would ****** that quick, everything is pretty much a direct swap over on these. Im picking up the same motor with all ls2 internals for about the same price so Im right there with you!
Ok so i called the guy today and he told me he also has l92 heads with new valves,dual valve springs,titanium retainers,rocker arms with all bolts and stands the (l76)intake manifold with injectors fuel rail and throttle body and the heads are ported by himself but he works at a machine shop as an engine builder so im pretty sure he knows what he's doing plus he has all reciepts and spec sheet for the build and hes asking $2500.00 for everything complete i cant wait to go pick it up
what do you guys think?
Plus the motor is now 375ci's
what do you guys think? Plus the motor is now 375ci's
Last edited by firebird99; Jul 26, 2010 at 05:51 AM. Reason: wrong info sorry
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well if he said it has an ls2 intake he doesnt know something, maybe he meant L76 intake it looks like the ls2 but it went from 1525 to 2500? looks like he did some homework, id offer 2k if i were you i know the bill was probally about 1k
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...these are brand new parts fyi
lets say he got the block for 300, chain 100, rockers 300, oil pump 200, cam 300, heads 500, arp everything 200, hmm and I am probably missing things too and these are low prices... I guess I dont know how to do math anymore or Im looking in ALL the wrong places...
Check into this a little further. The LS2 intake manifold is not compatible with the L92 heads. Have the heads been milled? If they haven't then you're looking at around a 70cc combustion chamber and 10.4 to 1 CR on a 6.0 with flat top pistons. It's not ideal to boost and a little low for max power in an NA motor(IMO). What are the other heads he has 317's, 243's? It depends on what you're planning to do as to where you go with this deal. If you can work out a good price that could be a nice little 370 NA street motor with that cam and L92 heads. Just figure out the intake situation before you end up with parts you can't use.
...these are brand new parts fyi
lets say he got the block for 300, chain 100, rockers 300, oil pump 200, cam 300, heads 500, arp everything 200, hmm and I am probably missing things too and these are low prices... I guess I dont know how to do math anymore or Im looking in ALL the wrong places...
Check into this a little further. The LS2 intake manifold is not compatible with the L92 heads. Have the heads been milled? If they haven't then you're looking at around a 70cc combustion chamber and 10.4 to 1 CR on a 6.0 with flat top pistons. It's not ideal to boost and a little low for max power in an NA motor(IMO). What are the other heads he has 317's, 243's? It depends on what you're planning to do as to where you go with this deal. If you can work out a good price that could be a nice little 370 NA street motor with that cam and L92 heads. Just figure out the intake situation before you end up with parts you can't use.
...these are brand new parts fyi
lets say he got the block for 300, chain 100, rockers 300, oil pump 200, cam 300, heads 500, arp everything 200, hmm and I am probably missing things too and these are low prices... I guess I dont know how to do math anymore or Im looking in ALL the wrong places...
no i meant the guy who took the motor to the machine shop to have alot of work done either rebuilt or built from scratch but im saying his bill to the machine shop was probally just over a grand and i know quite a bit on how much it costs to build s 408,370,416 etc i owe the my machine shop 755 tomorrow as it is
Ok so i was surfing the web and i came acroos an article that says that 1 1999 lq4 and 2000 and newer lq4's have a different length at the back off the block because the cransk are different lenth's is this true?This is the article i was talking about (Be careful buying that motor. The 1999 model LQ4 had a different length crank and came with iron heads. It won't be a direct bolt-in. In 2000, they swapped to the much better aluminum 317 casting heads and changed the crank out for the same one in the 5.3 and 5.7 motors. That made the 2000+ LQ4 motors a direct swap. The only real way to easily tell these motors apart is by the heads they came with, as the block and pistons are the same. If you physically have access to the motor, you can measure the back of the crank where it would mount to the flexplate. The 1999 model is about 1/4" longer than the others since it was designed for the 4L80. If its got the flexplate on it, the 2000+ models will have a 1/4" spacer between crank and flexplate, the 1999 won't.
In the past, I've seen several 1999 LQ4 motors on ebay where the seller has either removed the iron heads or replaced them with LS1 heads. Then they claimed ignorance or lied about the year model it came out of. Usually, a 1999 model LQ4 will sell for much less than a 2000+ model.
Of course if you are moving to a 4L80E transmission, it won't matter at all)
In the past, I've seen several 1999 LQ4 motors on ebay where the seller has either removed the iron heads or replaced them with LS1 heads. Then they claimed ignorance or lied about the year model it came out of. Usually, a 1999 model LQ4 will sell for much less than a 2000+ model.
Of course if you are moving to a 4L80E transmission, it won't matter at all)
How did he recondition the rods, LS rods are cracked so the rod and cap fit are specific to each other. Typical reconditioning of rods wont work on cracked rods.
If the L92 heads have been milled you will have to be extra careful about checking piston to valve clearance.
If the L92 heads have been milled you will have to be extra careful about checking piston to valve clearance.
How did he recondition the rods, LS rods are cracked so the rod and cap fit are specific to each other. Typical reconditioning of rods wont work on cracked rods.
If the L92 heads have been milled you will have to be extra careful about checking piston to valve clearance.
If the L92 heads have been milled you will have to be extra careful about checking piston to valve clearance.
How did he recondition the rods, LS rods are cracked so the rod and cap fit are specific to each other. Typical reconditioning of rods wont work on cracked rods.
If the L92 heads have been milled you will have to be extra careful about checking piston to valve clearance.
If the L92 heads have been milled you will have to be extra careful about checking piston to valve clearance.
I've done a dozen sets w/ Arp bolts. good enough for 500hp
here is a walk through that I used
http://www.ls2.com/forums/showthread.php?t=626014
It isn't that hard, you can either swap your crank in it, or buy the 58x-24x converter box from Lingenfelter. Other than that, it isn't too bad.
http://www.ls2.com/forums/showthread.php?t=626014
It isn't that hard, you can either swap your crank in it, or buy the 58x-24x converter box from Lingenfelter. Other than that, it isn't too bad.
here is a walk through that I used
http://www.ls2.com/forums/showthread.php?t=626014
It isn't that hard, you can either swap your crank in it, or buy the 58x-24x converter box from Lingenfelter. Other than that, it isn't too bad.
http://www.ls2.com/forums/showthread.php?t=626014
It isn't that hard, you can either swap your crank in it, or buy the 58x-24x converter box from Lingenfelter. Other than that, it isn't too bad.