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Old 05-03-2010, 02:20 AM   #1
Critter
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Painless LSX wiring?

Anybody ever use this kit for an LS swap?

Painless
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces)
72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts
2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver

Check it out www.lsdyno.com
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Old 05-03-2010, 06:21 AM   #2
mike nutt
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Re: Painless LSX wiring?

i've used two of them . the one i used in my '69 to run my 6.0 came with the computer and wiring harness and the other the other used the factory camaro computer , both were simple plug and play. the one that i used in my truck does not control the transmission , i used a 700r4 in it . the other that i used in the '71 does control the transmission , it has the ls1 with 4l60e transmission ,also used the fuel tank out of the z-28.
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Old 05-03-2010, 10:13 AM   #3
Shon
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Re: Painless LSX wiring?

Do you have the 6.0 stock wiring harness? If so, I can recommend a place to have the stock 6.0 harness worked for way less than $900+ but if you want that painless kit let me know.
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Old 05-03-2010, 10:59 AM   #4
Critter
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Re: Painless LSX wiring?

Quote:
Originally Posted by mike nutt View Post
...both were simple plug and play...
Good to know!

Quote:
Originally Posted by Shon View Post
Do you have the 6.0 stock wiring harness? If so, I can recommend a place to have the stock 6.0 harness worked for way less than $900+ but if you want that painless kit let me know.
I do have the 6.0 harness and computer which I have always planned to use, but I am just exploring my other options. I am tempted to do it myself (the rework of the factory harness) but beings this is my first LS swap, I am a little nervous. As far as having someone do it, recommend away! I talked to a place locally months ago that I know could do it, but the price was about as much as this painless. Here are a few things to keep in mind...

I want to keep the cruise control (I have a 2006 drive by wire)
I will have A/C
I will be using a 4L65e adapted to my factory np205 transfer case.
I would like the factory computer to be performance tuned a little, nothing serious, just add a few ponies here and there but keep it nice and reliable for a DD.
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces)
72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts
2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver

Check it out www.lsdyno.com
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Old 05-03-2010, 11:09 AM   #5
Shon
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Re: Painless LSX wiring?

I used the stock harness with Current Performance relay/fuse block. I wired it all up and it works perfectly!
I would have Current Performance do what you want, www.currentperformance.com

Tuning is the 'easy' part, LOL, I get 14-16MPG from my 6.0/4l80 combo with 3.73s. Runs 8.9s @ 80 on motor and 7.8 @ 88 on a 100 shot. Love the truck!!
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap
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Old 05-03-2010, 12:27 PM   #6
Critter
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Re: Painless LSX wiring?

Quote:
Originally Posted by Shon View Post
I used the stock harness with Current Performance relay/fuse block. I wired it all up and it works perfectly!
I would have Current Performance do what you want, www.currentperformance.com

Tuning is the 'easy' part, LOL, I get 14-16MPG from my 6.0/4l80 combo with 3.73s. Runs 8.9s @ 80 on motor and 7.8 @ 88 on a 100 shot. Love the truck!!
THANKS! I will give them a call. Anything you would have done differently???
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72 Chevy CST K5 HIGHLANDER BLAZER Getting a 6.0,NV4500,NP205,14BFF (Currently laying all over the place in little pieces)
72 Chevy swb step-side "LS" 6.0 Here's a build thread of sorts
2002 HD2500 Crew Cab, 8.1L Allison 4x4 Daily Driver

Check it out www.lsdyno.com
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Old 05-03-2010, 12:29 PM   #7
Shon
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Re: Painless LSX wiring?

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THANKS! I will give them a call. Anything you would have done differently???
I would have went thru the harness and gotten rid of some of the excess wiring that is in the van harness that I have. I will end up doing that this summer probably. otherwise, it was pretty simple! (and I hate wiring....)
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