Jump to content

Tuning 6.0 and longevity

GTBensley

Recommended Posts

jerseytaylor Enthusiast

jerseytaylor

Posted
Posted
20 hours ago, SierraHD17 said:

Good. Its tuned mostly by me as an email tune was just not cutting it.  Like any other 6 liter I have owned in the last decade I run premium and advance the hell out of the timing from stock and what a surprise.... it has way more power lol. I tried playing with cam timing but it wasn't loving it and frankly the e78 ecm in these trucks is a lame duck to deal with.  That said the gains are still there for anyone and even just playing with the shifting makes it feel night and day.  I don't agree with the "leave it stock" statement as they aren't going to live any longer for the average guy and it's way more fun having something that isn't such a sack like the stock settings give you.  It's the same logic that drives complaints their truck is undergeared that I used to commonly read but no one ever rectifies the situation. I did that as well as my truck has 4.56s in it from the stock 3.73s. That also made a massive difference in drivability. 

 

Oh and for fun if I drive my truck gentle... leveled with 295/60/20s and the 4.56s still returns in the 15 mpg mark lol.  I don't complain about my fuel economy.

your 6.0 didnt have 4.10s in it?

  • 3 weeks later...
Paulismydog Enthusiast

Paulismydog

Posted
Posted

I did. So far I am underwhelmed. Shifting marginally better but seemed to lose 2mpg. I made a new data log and sent in. Hoping Justin can tweak it for the better. If not I will go back to stock for the mpg gain. 

GTBensley Enthusiast

GTBensley

Posted
  • Author
Posted
5 hours ago, Paulismydog said:

I did. So far I am underwhelmed. Shifting marginally better but seemed to lose 2mpg. I made a new data log and sent in. Hoping Justin can tweak it for the better. If not I will go back to stock for the mpg gain. 

Well thats not what I expected to hear, keep me updated. I am on the fence about doing this but already get such poor MPG I can have it get any lower. 

Paulismydog Enthusiast

Paulismydog

Posted
Posted
6 minutes ago, GTBensley said:

Well thats not what I expected to hear, keep me updated. I am on the fence about doing this but already get such poor MPG I can have it get any lower. 

Will do. I am optimistic he can work things out. But it's a pretty slow turnaround. Frustrating. 

Archived

This topic is now archived and is closed to further replies.

Go to topic listing

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.4k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    342,860
    Total Members
    8,960
    Most Online
    HWN808
    Newest Member
    HWN808
    Joined

  • Who's Online   4 Members, 0 Anonymous, 1,004 Guests (See full list)

  • Latest Articles

  • Posts

    • OnTheReel
      Some Assembly is Required

      By OnTheReel · Posted

      https://www.gm-trucks.com/why-gm-chose-0w-30-gen-6-v8-oil/   The swing back to reality continues…
    • richard wysong
      Gas Prices

      By richard wysong · Posted

      Diesel $5.42 at the truck stop on the hi-way
    • Chuck FB
      Joke Thread

      By Chuck FB · Posted

    • txab
      Gas Prices

      By txab · Posted

      $3.59  
    • needafix
      2019+ Brake failure, it's complicated

      By needafix · Posted

      I'm not sure if this should be a new topic, let me know if it's out of place. This my first post. Thanks 85077522 - AC Delco GM Genuine Parts Brake Master Cylinders. Anyone else had to replace this brake master cylinder yet. I didn't do any brake work, it looks like new parts and I've had the truck for about 4k miles, 119k total miles.  When it started to throw codes I did the calibrations with a bidirectional scanner and got the codes to clear but they came back so I did the routine; base bleed, automated bleed and final base bleed. All that with Bosch ES16-32N fluid (please look it up). That seemed to fix it but 100ish miles later it failed again so I ran the same process but with a pressure bleeder this time and got the same results, fixed for 100ish miles. The original fluid looked bad and I thought I got most of it out, it could've been the wrong fluid. The codes; P25A2, C05B0-00, C2A1B. I can get them to clear but not for long. The C05B0 indicates a leak in the front circuit (which is bone dry) so I'm thinking of doing the bleed process on that front again today and I don't know if that's taboo to just do the front but at this point it seems like it's worth the try anyway. The new master cylinder/module unit is supposed to get here today. But now I'm pretty much convinced this install is over my head. I've called several shops and some mobile guys that I know but this thing is like radio active material, scary wise. I did get 2 local shops say they should be able to do it, one says he has the SPS2 programing capability. And with the battery disconnected is there supposed to be pedal resistance, mine is to the floor, then if I pump it I can get some resistance. I had a panic stop prior to this issue which may have contributed from what I read. And on the first attempt to bleed and hydraulic test the scanner listed things to look for and one was any gaps between the pad and rotors which I did notice on the RF corner and I removed the outer pad (where the gap was) cleaned it and the hardware and didn't see a gap after that but will re-check it. I read that if pushing the caliper pistons back then you're supposed to open the bleeder so as to not push fluid backwards into the abs module or it will damage it. If that's true then that's also a possibility from the previous owner having the brakes changed before I got it. I'm using an XTool ip500 scanner. Any suggestions, questions and comments welcome. 

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...