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Old May 1, 2012 | 03:22 AM
  #21  
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Id rather not to know Cleaned carbon off pistons and good to go age and miles are nothing but a number!
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Old May 1, 2012 | 03:25 AM
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Bought my 4.8 with 39k on it. Pulled the bolts out for studs, didn't even pull the head off. Installed a cam and dropped it in. First day it saw 17psi, and it has recently seen 22psi. Been going strong for 2 months now.

Btw, this engine costed me all of $400

Last edited by smokeshow; May 1, 2012 at 04:52 AM.
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Old May 1, 2012 | 04:29 AM
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My Lq4 was had for around $1200 shipped with 29k on it.
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Old May 1, 2012 | 05:12 AM
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Originally Posted by jt76
I would go with the pre '05 motors, later ones are GenIV and pose issues to our stock harness and PCM.
I believe your talking about the 58x reluctor? where you need to buy the conversion box from Lingenfelter. I research this a little and couldnt find a direct answer. I just read that if the crank sensor is black it is for a 24x and if it is gray it is a 58x reluctor wheel.
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Old May 1, 2012 | 09:55 AM
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Originally Posted by denmah
we dont even take them apart, we just fire them and boost them down teh driveway
Not even springs, push rods?
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Old May 1, 2012 | 10:01 AM
  #26  
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Originally Posted by 2nd Gen Fl 'bird
Not even springs, push rods?

Yes besides that.
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Old May 1, 2012 | 10:19 AM
  #27  
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Originally Posted by 2nd Gen Fl 'bird
Not even springs, push rods?
a few nope. they dont even have valvesprings, never had the valvecover off.

other ones we want to make more than 500 with we do pac1218s and thats it, they hold the boost in.
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Old May 1, 2012 | 10:25 AM
  #28  
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I paid $650.00 for a 32,000 mile 2004 5.3 , recently it has developed a cold knock. Maybe a wrist pin., piston slap, or main bearing issues. After a few seconds it totally goes away and runs perfectly. Nothing is guaranteed with these engines.
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Old May 1, 2012 | 12:23 PM
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put in heavier oil and ignore that ****
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Old May 1, 2012 | 12:44 PM
  #30  
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Originally Posted by denmah
put in heavier oil and ignore that ****
Yep, Using Rotella T and beating the hell out of it for 2 years now.
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Old May 1, 2012 | 01:32 PM
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15-40 rotella fron tractor supply my official turbo car oil
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Old May 1, 2012 | 01:56 PM
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The after market parts manufacturers have got to hate threads like this. It seems the less you give a damn, the better off things work out. LOL
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Old May 1, 2012 | 02:00 PM
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I paid $1000 for my LQ4 with 104k on it. Not as good as some of the other deals I have seen on here obviously, but it's all I had to work with locally. I too pulled the bottom end to check things out, and all the bearings looked great. Should have left it alone, but threw new bearings in (checked for tolerance) and put it back together with new lifters, pushrods, cam, springs, etc. Hopefully it's as reliable as some of these others.
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Old May 1, 2012 | 07:04 PM
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So for a high boost junkyard drag engine that will have 0 street time, is the 5.3 any better than the 4.8? (GENIII)

LKQ has a 5.3 with 110k for $580 or a 4.8 with 60k for $450 locally.
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Old May 2, 2012 | 03:55 AM
  #35  
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bought an '05 5.3 with 38K miles complete with wiring harness and all accessories for $500. Hookup thru a friend and one time deal.

Have some LS9 gaskets, ARP head studs, 225/223 114LSA cam ready to go inside on the shelf Figuring out injector and turbo sizing now for e85.

IMO get the motor with the better LS2 style rods. ie 05+ setups.
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Old May 3, 2012 | 05:54 PM
  #36  
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Originally Posted by LS1NOVA
Yes but they need work. If they dont, your scamming GM.
90% of them just need lifters and cams...90% of the ppl I know put cams and lifters and head studs so it's a good deal...
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Old May 3, 2012 | 06:48 PM
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Originally Posted by turbocamaro125
90% of them just need lifters and cams...90% of the ppl I know put cams and lifters and head studs so it's a good deal...
Why are you putting longblocks in?
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Old May 3, 2012 | 06:56 PM
  #38  
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Originally Posted by denmah
15-40 rotella fron tractor supply my official turbo car oil
same thing I run in my t/a
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Old May 3, 2012 | 06:57 PM
  #39  
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Originally Posted by denmah
put in heavier oil and ignore that ****
Lmao!
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Old May 3, 2012 | 07:49 PM
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Originally Posted by LS1NOVA
Why are you putting longblocks in?
Gm tells us too...must be cheaper to do that it stead of cam lifters cam bearings and all the gaskets
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