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  1. S

    LLY to LBZ

    They are interchangeable going backwards but not using a older block in a LML truck. Sent from my iPhone using Tapatalk
  2. S

    Towing Compounds

    I have a lb7 Intune with a ihi and a 480. Customer loves it. Ties well makes good power too. He has 100 overs in it. Sent from my iPhone using Tapatalk
  3. S

    How much pulse to be around 650hp?

    It all will depend on the turbo you are using. On a 50 over S466 I made 742 at 2200 usec. Stock engine lb7. Sent from my iPhone using Tapatalk
  4. S

    6.6 LML Duramax diesel

    Who’s tuning it ? No fuel lines were moved or changed period? You didn’t plug the 9th injector? Sent from my iPhone using Tapatalk
  5. S

    6.6 LML Duramax diesel

    The return lines coming off doesn’t have anything to do with deleting it. Either you don’t have them in right or they are damaged and new to replace the lines. Sent from my iPhone using Tapatalk
  6. S

    Gapless rings?

    Seal power is the manufacturer of the ones that I used. Their technical department is very good at Hong you appropriate information. You would have to measure all the roughness specs with a Profilometer. Very few shops have this advanced tool. The good news is experienced machinists and the...
  7. S

    Gapless rings?

    Top was stainless. Sent from my iPhone using Tapatalk
  8. S

    Gapless rings?

    I haven’t had any issues with either. With forged you run a lot of end gap so I opted for gapless in hopes of helping the set last longer. In my opinion I think bore finish and installer error are your two biggest problems. They will help seal it up a little more. Sent from my iPhone using...
  9. S

    Gapless rings?

    I use them in my Arais pistons. Zero issues with them. Sent from my iPhone using Tapatalk
  10. S

    MDI2 Information

    I kept working with it and finally got it to setup for me. Sent from my iPhone using Tapatalk
  11. S

    MDI2 Information

    Acdelcotds. When I register it wants the security ID for it to accept me to setup the account to buy anything. From what I read you have to register with NAFTS then apply for a vehicle professional security credential to complete the process to purchase those items. I thought it should be simple...
  12. S

    MDI2 Information

    That is where I was trying to get subscriptions from. Sent from my iPhone using Tapatalk
  13. S

    MDI2 Information

    What are you doing for a subscription? Sent from my iPhone using Tapatalk
  14. S

    MDI2 Information

    The term is vehicle security credential. I didn’t have the paper in front of me. It won’t let me create a account without that. Basically what I read is you fill out a background check and pay them near 400 bucks. If they see that you are good then you get that ID then can get setup thru AcDelco...
  15. S

    MDI2 Information

    I need to know from guys with personal experience the difference in the Gm ones and the clone MDI2. I know that the clone only works in windows 7. The GM will work in all windows pretty much. Does the clone not require a subscription to work? If you get the subscription on the GM version will it...
  16. S

    Tuned a guys LB7; he now claims 6+mpg loss??

    The best I have ever gotten on a lb7 and that had 45 over Motorsports injectors was 21.4 hand calculated. It never got worse than mid 13’s towing more than 15k. That was once for that mileage. Usually it was 17-19. Sent from my iPhone using Tapatalk
  17. S

    Turbo setup

    How many miles are on these? That doesn’t look good. Sent from my iPhone using Tapatalk
  18. S

    Turbo setup

    What makes you think you have a bad injector? Sent from my iPhone using Tapatalk
  19. S

    Turbo setup

    Unless there’s a problem with the injectors there shouldn’t be a problem getting them clean at idle. Log the mm3 on them and I will bet they are pulling from from the 20mm3 range at idle. That would be because he took full out in the idle circuit and they require x amount of fuel to idle. Mine...
  20. S

    LB7: 1200HP build

    Post some pictures of what you are seeing please. I personally haven’t seen a issue so far with the billet flexplate and having a bearing issue. Sent from my iPhone using Tapatalk
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