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Discussion Starter #1
I am now the proud owner of an 05 LQ4 6.0! Like the title says couldn't pass it up! Main reason is the previous owner had it four years in his garage and just let it sit there. He claimed 58k miles and I didn't believe it but bought it anyway, just because it was so clean and absent the usual goo associated with used motors. My co-worker mechanic and I pulled the intake and rocker covers and he agrees with the 58k. Looks like another project is about to start, since my ElCo already has more HP than I originally expected...........Um....... there in lies my problem! Find another project? Up-grade the ElCo again? (would require more rearend than the posi unit I am about to replace?) Ughhh..........

Decisions, decisions............

I do have this strong urge to find a 70's-80's square body Chevrolet C70 to build a tow truck for my ElCo! Any body have a better idea?

Joe


WIN_20200421_19_30_15_Pro.jpg
 

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Hello Joe,

That. Is. Fabulous!! I wish I could find deals like that and that somebody has already pulled out of the original vehicle. Great engine without AFM/DOD and not these late model Direct Injection motors. I'd start looking for a drive by-wire throttle pedal and a 1 megabyte P59 PCM for it and you will be set to go. Let me know and I will send you a basic tune for the PCM, VATS deleted, etc.

I toy with the idea of getting another junk yard engine simply to have a motor project . . . boredom some times - especially these days. Wiring and fuel for it bolted to an engine stand, now that I've done one, would not be difficult. The yard engines are not that expensive at maybe $200, especially if you pull them yourself but it would not be another 5.3 like I have now. I'd be in the hunt for a 6.0 like yours and an aluminum Gen 3 "6.2" would be nice but probably way out of my price range.

Have fun with your new toy and keep us posted on how you will use it. Your words here on the site may push me over the edge into managing my occasional boredom and that'll be just fine with me.

Rick
 

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Hello Joe,

That. Is. Fabulous!! I wish I could find deals like that and that somebody has already pulled out of the original vehicle. Great engine without AFM/DOD and not these late model Direct Injection motors. I'd start looking for a drive by-wire throttle pedal and a 1 megabyte P59 PCM for it and you will be set to go. Let me know and I will send you a basic tune for the PCM, VATS deleted, etc.
Rick
Joe,

If you find you need a drive-by-wire pedal, let me know. I have one from an 06 Vette. When I bought my LS2, it came with pedal and computer but, no harness. Then, I got a deal on a harness from Speartech that came with a pedal and computer so, I ended up with an extra. If you need it, it's yours.

Les
 

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Discussion Starter #4
Hello Joe,

That. Is. Fabulous!! I wish I could find deals like that and that somebody has already pulled out of the original vehicle. Great engine without AFM/DOD and not these late model Direct Injection motors. I'd start looking for a drive by-wire throttle pedal and a 1 megabyte P59 PCM for it and you will be set to go. Let me know and I will send you a basic tune for the PCM, VATS deleted, etc.

I toy with the idea of getting another junk yard engine simply to have a motor project . . . boredom some times - especially these days. Wiring and fuel for it bolted to an engine stand, now that I've done one, would not be difficult. The yard engines are not that expensive at maybe $200, especially if you pull them yourself but it would not be another 5.3 like I have now. I'd be in the hunt for a 6.0 like yours and an aluminum Gen 3 "6.2" would be nice but probably way out of my price range.

Have fun with your new toy and keep us posted on how you will use it. Your words here on the site may push me over the edge into managing my occasional boredom and that'll be just fine with me.

Rick
Thanks Rick! Not sure how this is going to go yet but I'll poke at it a bit at a time. I picked up a DBW harness and Puter today. I think that will be my little bit at a time project for now. Gotta go through it and delete all the extra stuff like rear O2's and the A/C circuit. Just started thinking about cams, and such. The biggest problem I have is the driver's side head. I'm sure you know the problem of broken exhaust bolts, well, someone tried to drill it and it's pretty much a mess. Will need an insert or maybe even weld it up and re-tap, not sure but a problem I'll get to eventually. I only wish they hadn't tried to mess with it, I've gotten good at gettin them out for our service dept. I just build a weld on the broken stud up a bit and while it's hot plug weld an 18mm nut to it and back it out with a wrench. My first try record is improving!

I just saved up some mad money and checked CL from time to time and got lucky! I did have to drive about 50 miles to pick it up and made a wrong turn on the way back, even found the back gate to the South Fork Ranch! LOL! I even think I crossed every road I hear about on the morning traffic reports from Dallas, Thank God I live in the Fort Worth side of DFW!

Now with a second project looming I really need to focus on my ElCo and get it closer to calling it done. I know it never will be but closer would be good! Thanks again!

Joe
 

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Discussion Starter #5
Joe,

If you find you need a drive-by-wire pedal, let me know. I have one from an 06 Vette. When I bought my LS2, it came with pedal and computer but, no harness. Then, I got a deal on a harness from Speartech that came with a pedal and computer so, I ended up with an extra. If you need it, it's yours.

Les
Thanks Les! I will be needing a pedal someday! I'm pretty sure the Vette pedal will work with the Yukon puter I got today. The Vette pedal might even be easier to use than what I had to do the truck pedal to make it fit my ElCo. Does your pedal have the TAC module attached by chance? That whole thing had me worried while I was doing my ElCo conversion but in the end worked out so sweet, since I used a Dakota Digital dash and the TSS wire from the trans there was a hole in the firewall where the original speedo went. Guess how perfect the TAC module harness grommet fit that hole! Again, thanks!

Joe
 

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Question about your Yukon PCM computer. Does it have blue and green connectors? Or is it blue and red for connectors? Green = a 1 megabyte operating system P59 device. Red = 512k byte OS P01 device. I'm hoping yours has the green and blue pair.

Rick
 

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Discussion Starter #7
Question about your Yukon PCM computer. Does it have blue and green connectors? Or is it blue and red for connectors? Green = a 1 megabyte operating system P59 device. Red = 512k byte OS P01 device. I'm hoping yours has the green and blue pair.

Rick
Yes, Blue-Green, I've been there and my ElCo is running the same puter!

Joe
 

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Hello Joe,

If you want to save some HP Tuners cash, I have a stock tune here for you that I'm making changes in now - my boredom again. Its a 6.0 tune with a 4L80E for a blue-green PCM and I've currently got it set for 650 RPM for idle - VIN 1GTHC29U21E142995. I'm in the process of turning off the myriad things that would throw a Check Engine Light at you - EGR, EVAP, CAT Overheat, among other things.

If you get interested in this, I'd be happy to assist you. I'm not your guy if you are going to run boost, a bigger cam or nitrous - zero experience with those. But for a basic, low risk tune that would get your engine running . . . let's do it. I'd even go get you a different blue-green PCM out of the junk yard to save you the postage of sending me your current device.

Rick

PS. - Really bored here but helping you would give my life meaning and value on a night with thunderstorms in northwest Louisiana!!!
 

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Discussion Starter #9
Hello Joe,

If you want to save some HP Tuners cash, I have a stock tune here for you that I'm making changes in now - my boredom again. Its a 6.0 tune with a 4L80E for a blue-green PCM and I've currently got it set for 650 RPM for idle - VIN 1GTHC29U21E142995. I'm in the process of turning off the myriad things that would throw a Check Engine Light at you - EGR, EVAP, CAT Overheat, among other things.

If you get interested in this, I'd be happy to assist you. I'm not your guy if you are going to run boost, a bigger cam or nitrous - zero experience with those. But for a basic, low risk tune that would get your engine running . . . let's do it. I'd even go get you a different blue-green PCM out of the junk yard to save you the postage of sending me your current device.

Rick

PS. - Really bored here but helping you would give my life meaning and value on a night with thunderstorms in northwest Louisiana!!!
I'm not even sure how I'm gonna go with this but I really appreciate the offer! I'm only thinking about cams and such so far. I understand what you're saying about something to do! I just started looking around for a 4l80e and still need to get a TAC module/pedal assy, (looks like Les might have one) and some coil packs together. I'll be busy with the harness for a while, thanks again! Talk to you soon!

Joe
 

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Decisions, decisions............

I do have this strong urge to find a 70's-80's square body Chevrolet C70 to build a tow truck for my ElCo! Any body have a better idea?

Joe

I would also like to build an older rollback type wrecker, that's a great idea!
 

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Discussion Starter #11
I would also like to build an older rollback type wrecker, that's a great idea!
Great minds think alike! Just gotta keep it under 26,000 unless you already have the CDL!

Only, my idea is a bob-tail 5th wheel with trailer. Miniature Semi so to speak...... I love the square body 73-87 trucks and the 60-70 series use the same cab so all the dash and interior restoration parts work! I just need a good chassis and cab! Already have the motor! Looking daily!
129082

This is close, just think with a 5th wheel an some fenders over the rears.....

Joe
 

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Discussion Starter #12
Great minds think alike! Just gotta keep it under 26,000 unless you already have the CDL!

Only, my idea is a bob-tail 5th wheel with trailer. Miniature Semi so to speak...... I love the square body 73-87 trucks and the 60-70 series use the same cab so all the dash and interior restoration parts work! I just need a good chassis and cab! Already have the motor! Looking daily!
View attachment 129082
This is close, just think with a 5th wheel an some fenders over the rears.....

Joe
BTW, there is a really nice rollback available in NY for 8k!
https://www.truckpaper.com/listings/trucks/for-sale/31858057/1977-chevrolet-c70?ST=New+York

Will require the CDL though!

Joe
 

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Discussion Starter #13
Joe,

If you find you need a drive-by-wire pedal, let me know. I have one from an 06 Vette. When I bought my LS2, it came with pedal and computer but, no harness. Then, I got a deal on a harness from Speartech that came with a pedal and computer so, I ended up with an extra. If you need it, it's yours.

Les
Thanks once again Les! I did some checking and the 06 Vettes were already using the new computer that the 07-13 trucks got the next year. So, that pretty much counts the Vette pedal out for my application. Hopefully you can find a good home for it. I appreciate the offer!

Joe
 

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Discussion Starter #14
So I installed the new harness today, and started removing all the harness wrapping and tape until my fingers hurt. I'll get back to it soon, and start pulling all the un-necessary wires. This harness seems harder to work with than my last one it's almost like the factory shot it full of glue or something. It's slowly letting go the more I work it though.

Joe
 

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Discussion Starter #15
Finally got around to playing with the 6.0 today. Started tearing down to get things cleaned up and ready for new valve springs and cam. It's the small things that matter, like pulling the heads and finding flat top factory pistons when expecting dishes! This sucker is an LQ9, not an LQ4! This will make things a bit more interesting! Life is good!

WIN_20200530_14_41_46_Pro.jpg

Joe
 

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You lucky dog, you!! That is quite a find, highly desirable and you got it for a bargain price. Please keep us posted on how it is coming along.

Rick
 

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Yes .Please keep us posted. Enquiring minds want to know!!😮
 

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Discussion Starter #18
You lucky dog, you!! That is quite a find, highly desirable and you got it for a bargain price. Please keep us posted on how it is coming along.

Rick
Thanks Rick! This thing is still homeless but I'm searching. Thought I had an 85 short wide yesterday until I looked at the frame. Still looking!

Joe
 

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Discussion Starter #20
Yes .Please keep us posted. Enquiring minds want to know!!😮
The project starts with the motor, usually the other way around. Whatever I find will be posted here! Keep in mind, my ElCo took almost 4 years to get to where it is today!

On a high note, we're doin drive-by birthdays tomorrow afternoon!

Joe
 
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