Obd1 6 position chip?

[Burning oil]

Also what most don't realize (or care about) is our cost behind the scenes. In order to carry a product we have to buy minimum quantities. In this case 100 of the chip holders along with supporting parts like switches, wire...ect. Then hope we sell them. Tech support and catering to each trucks subtle differences is a lot of time and work too.

I know! stop your crying

 

[WarWagon]

Leroy the cost behind the scenes doesn't matter in this case as people do it as a hobby without "bulk quantity discounts." Multi tunes are a support nightmare because the people who want them are doing something special that will take re-tunes. Multi tunes exist for the new diesels so it's value and marketability is a closed case.

Three tunes?:
1) Emissions. So little power it's can get hung up going over the rollers.
2) Towing aka something sane.
3) All out insane.
4) High Altitude for smoke reduction. Current and factory tunes ignore the baro sensor.
5) different shift points than stock...
6) econo tune

And 6 tunes help when dialing in a custom one off setup. Like spool valves etc.

Again the ONLY reason the OBDI multi tune chip exists is because someone told Tom it couldn't be done for the 6.5.

Don't even get me started of the high EGT melting a 6.5 bullsnot. If your ECT is under control and you don't have a GMx butt plug turbo... I have sustained 1550 ECT pulling a hill with uncoated 6.2 pistons while towing with an ATT turbo. Engine is still running years later.

It's up to you to decide if you need more than one tune.

 

[JMJNet]

All I ever w But there is not a big market for it so since they can't sell a ton of them, they have to make a lot per unit to be worth giving up half a years worth of weekends...

Just my impression, am I wrong?

You are correct. 1 inquiry every 2-3-6 months are hardly demand for a person to make enough.

The number of 6.5 diesel is dwindling down due to gov't program.

 

[Big T]

We've got a 4 position tune on Colby's '95 and love it. We use all the tunes at times. It's like driving a moody woman.

 

[Quadstar Tuning LLC]

We've got a 4 position tune on Colby's '95 and love it. We use all the tunes at times. It's like driving a moody woman.

Same here, I switch between 8 and soldered the switcher up myself. You can get all the hardware from Moates and it's not perfect but it works. The MPC isn't the only option to switch tunes, it's just the only one that is specific to the 6.5. You can fit a Moates GX 28 pin adapter in the PCM housing or use their stuff to run a remote 28pin chip carrier with a ribbon extension cable.

None of this does you any good unless you know someone that has tuned them before though. The 100s or 1000s of hours playing with figuring out what works isn't worth it IMO.

If you can't notice the difference between your tunes, your tunes suck... There's a huge jump bouncing from 60 to 80 and 100+ mm^3 of fuel and it's even more fun if you retained the stock vacuum boost control and play with that for economy vs. performance.

 

[THEFERMANATOR]

Same here, I switch between 8 and soldered the switcher up myself. You can get all the hardware from Moates and it's not perfect but it works. The MPC isn't the only option to switch tunes, it's just the only one that is specific to the 6.5. You can fit a Moates GX 28 pin adapter in the PCM housing or use their stuff to run a remote 28pin chip carrier with a ribbon extension cable.

None of this does you any good unless you know someone that has tuned them before though. The 100s or 1000s of hours playing with figuring out what works isn't worth it IMO.

If you can't notice the difference between your tunes, your tunes suck... There's a huge jump bouncing from 60 to 80 and 100+ mm^3 of fuel and it's even more fun if you retained the stock vacuum boost control and play with that for economy vs. performance.

Stock is 64, and the max a healthy DS4 has been able to push out of the injector is around 92-94Mm3 of fuel. I'm not talking theoretically, or what you command of it, but the ACTUAL amount one has been able to reliably push out and be measured. Is there a difference, yes, but not huge. I switch from about 110-160 in mine from one tune to the next, and the difference really isn't that extreme.