JET or PCM for less???? Need direction.

[HoosierH3]

The JET website is not up to date. It only reflects a spacer for H3.

I spoke with JET customer service today after talking with one of JET's distributers. The distributer is selling the same part number as they sell for the I5 3.5 Colorado/Canyon per JET's instruction. Same exact part number (JET20305) stage 1.

Per JET customer service..they are using the same exact part number for Hummer H3 as earlier Colorado. I confirmed this today with JET. According to JET tech service, "the H3 factory programming is nearly identical to 3.5 Colorados. Part number 20305 works on both with the same results." Wether this is true or false, I do not know, but this is JET's claim.

After reading many threads here pertaining to PCM for less, it does sound that both vehicle are set up similar from the factory, but not identical. Close enough though, that JET's module works in both vehicles.

JET tech service did tell me though that their module only adjusts for fuel/air ratio and timing. No mention or consideration for shift patterns, rough idle, or odometer recalibration obviously.

[HummBebe]

I think it's all a croc.

I'm so sick of this subject.

Could someone just come out with a "real" tune already?

When someone messes/programs a PCM, BCM etc, that isn't an expert on the vehicle, then I wouldn't trust them, or their "close enough" attitude.

"Close but no cigar" is more appropriate. off

[deserth3]

Hummbebe you seemed stressed. MAybe some dancing bananas will help you relax.
ANd all the modes done to your ride have been crash worthyness tested by whom????


HoosierH3 asks a valid question. Don't know if you'll get an answer because I haven't heard of anyone trying JET's system. You may be the first. I went with the PCMforless option and have been happy with it. An increase in milage by 1 to 2 mpg. Depending on how I drive. It shifts better and that anoying lag when you start to let off the gas and have to hammer it again is gone.
In short I'm happy with what PCMforless did.

[HummBebe]

Originally Posted by deserth3

Hummbebe you seemed stressed. MAybe some dancing bananas will help you relax.
ANd all the modes done to your ride have been crash worthyness tested by whom????


HoosierH3 asks a valid question. Don't know if you'll get an answer because I haven't heard of anyone trying JET's system. You may be the first. I went with the PCMforless option and have been happy with it. An increase in milage by 1 to 2 mpg. Depending on how I drive. It shifts better and that anoying lag when you start to let off the gas and have to hammer it again is gone.
In short I'm happy with what PCMforless did.

Not stressed

My mods are more like a battering ram, so crash test is not necessary. In addition, H2O Hummers has been producing this type of equipment long before Hummers even existed, (mostly on HD Fords and Chevy trucks).

My issue with these types of programs are this:

They have not been dyno tested. Essentially it is a computer alteration that is purely "edumacated" guesswork. While there are improvements, I'll admit it, they are not optimal, because there is no four wheel dyno test to back it up.

I'll wait until there is some actual dyno testing before I use this type of upgrade.

A dyno on a 2 WD Colorado does not work for me.

[BuzzH3]

I'm not sure why some folks have been so adamant about dyno testing the PCMForLess tune. The real noticable seat-of-the-pants difference is in optimizing the shift points. By fixing the shift points, you are essentially putting more of the available HP & Torque to the ground. To me, it's more of how it feels than what the numbers say. There have been several members on this forum that have done the PCMForLess tune and have nothing but good things to say about it. I guess it's all in what you expect from it. It's not going to be a huge increase in power, but it will likely be a noticable one. There are dyno tests on the K&N intake system that say it produces an extra 16HP. I had one of these for a while and I noticed absolutely no increase in SOTP HP. The only thing I got was more noise. I plan on doing the PCMForLess tune sometime soon. I look at it this way. It costs less than the K&N Intake and if it at least has some noticable results, then it is well worth the price.

[HummBebe]

I would choose to learn from those who have been doing this long before we came along. Those who use/wheel the H2's, Chevy Trucks, Fords, Dodge etc.

They are not that popular among those who are "in the know". It is best to research the industry as a whole. Not everybody believes in it.

[HummBebe]

Looks like our PCM for less friends are popular here too...

http://www.coloradofans.com/viewtopic.php?t=44414