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04-05-2011, 01:46 PM
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#1 |
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Registered User
Join Date: May 2010
Location: Corvallis
Posts: 22
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ECM Reprogramming
Hey I was looking into putting a 5.3 into my 71 Blazer. Right now I am just trying to get price estimates and was wondering what is the typical price to have your ECM flashed/reprogrammed?
Thanks, Cody |
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04-05-2011, 04:43 PM
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#2 |
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Has more rust than truck...
Join Date: Apr 2005
Location: Ivanhoe, MN
Posts: 2,421
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Re: ECM Reprogramming
Shon on here can do it. I had Black Bear Performance do mine, Are you looking for a full tune or just have VATS turned off so it will run?
Moving this to LSx swaps. |
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04-05-2011, 04:48 PM
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#3 |
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.....I am working on it.....
Join Date: Jul 2007
Location: Anaheim Hills, Ca
Posts: 960
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Re: ECM Reprogramming
Send it to Jesse at wait4meperformance.com
He charges $75 for everything and free retune. I have had 3 done by them with 0 problems!! |
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04-05-2011, 10:11 PM
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#4 |
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Registered User
Join Date: May 2010
Location: Corvallis
Posts: 22
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Re: ECM Reprogramming
Ok great thanks for the infor guys. When I do finally get around to getting the 5.3, I am hoping to just get the ECM programmed to run in my rig.
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04-06-2011, 11:20 AM
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#5 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: ECM Reprogramming
If you have a just stock motor, then Jesse would be fine, he only removes stuff and sets tire size and RE gears, no performance anything. If your going to throw a cam at the 5.3 then definately get a performance tune, youll be glad you did.
Also I dyno tune would be best if your going all out on the motor.
__________________
Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! |
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04-06-2011, 12:52 PM
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#6 |
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.....I am working on it.....
Join Date: Jul 2007
Location: Anaheim Hills, Ca
Posts: 960
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Re: ECM Reprogramming
I have had Jesse tune a wicked LS1 that I built a few years ago. It had a T-Rex cam, all sensors turned off, fan temp, etc. Worked out really good. A buddy used him as well for a very similiar build without any issues. The key is to tell him EVERYTHING that you need done, as you would any other tuner.
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04-07-2011, 12:50 PM
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#7 |
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Registered User
Join Date: Oct 2009
Location: Chaska, Minnesota
Posts: 137
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Re: ECM Reprogramming
jesse bubb all the way
__________________
my build http://67-72chevytrucks.com/vboard/s...d.php?t=367330 84 short-wide 2wd. 99 5.3 vortec, built 4l60E, schoenfelds, bubb tune, cyber grey metallic 10 camaro ss/rs, 6spd manual, leather, loaded, cyber grey metallic |
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04-07-2011, 01:37 PM
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#8 |
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Registered User
Join Date: Dec 2010
Location: Waxahachie, Texas
Posts: 144
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Re: ECM Reprogramming
Branden Patten at LT1 Swap.com $70 great support
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04-11-2011, 10:35 AM
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#9 |
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Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: ECM Reprogramming
I charge $165 shipped for 'stockish' tunes. U send me the PCM and I send it back ready to go.
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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04-13-2011, 10:24 AM
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#10 |
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Registered User
Join Date: May 2010
Location: Corvallis
Posts: 22
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Re: ECM Reprogramming
Would it be possible for me to buy the engine and ecm separately? Or would I be able to buy an aftermarket wiring harness specific to my 71 Blazer? I am new to all of this information and really appreciate all of your inputs
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04-13-2011, 10:53 AM
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#11 | |
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Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: ECM Reprogramming
Quote:
And I am not aware of a specific 71 Blazer harness, most of them are generic but work in many vehicles. As easy as it is, why pay the Painless (LOL) prices? get a good harness and do it yourself or send it off or just leave it as is.....you do remove some wiring you dont need but its alot of work.
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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04-13-2011, 07:47 PM
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#12 | |
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Registered User
Join Date: May 2010
Location: Corvallis
Posts: 22
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Re: ECM Reprogramming
Quote:
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04-13-2011, 09:06 PM
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#13 |
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Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: ECM Reprogramming
There is not a specific 5.3 harness. the truck harness's from the factory are all the same, and so are the other ones you buy.
only real differences are in the PCM. but you dont need a 5.3 specific PCM.... http://67-72chevytrucks.com/vboard/s...98#post4623298
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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04-19-2011, 09:54 PM
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#14 |
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GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: ECM Reprogramming
www.speartech.com is another option for harness mods and tuning. John did my 01 6.0 in 72 GMC truck with performance tune.
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2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride   http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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