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  1. gmduramax

    More time online

    did you ever get that F150 finished up?
  2. gmduramax

    Hello from Idaho

    People don’t search members get annoyed, people do search members get annoyed 🤣
  3. gmduramax

    2001 lb7 duramax fuel issues.

    Is there any smoke when it knocks? Could be an injector sticking open. As for the trans slipping, how’s the transfer case?
  4. gmduramax

    SPARE TIRE HOIST - WEIGHT LIMITS?

    I don’t know the rating but it would probably hold it just fine, but for peace of mind run a strap around the tire.
  5. gmduramax

    Question: Who on here has been unhappy with results using Amsoil?

    We’re supposed to change oil 😳
  6. gmduramax

    2001 lb7 duramax fuel issues.

    Idle or in park or in drive?
  7. gmduramax

    2001 lb7 duramax fuel issues.

    Whatttttt lmao we ask for all this info and you think the maf sensor is gonna fix it 😳
  8. gmduramax

    2001 lb7 duramax fuel issues.

    What’s the main injection fuel rate? And balance rates? It’s most likely going to need injectors. Log desired and actual fuel rail pressure under load.
  9. gmduramax

    Looking for a picture and the difference of the LB7 and the later style pistons.

    Maybe manufactured for isuzu but the ones you can buy from Mahle are not the same.
  10. gmduramax

    Looking for a picture and the difference of the LB7 and the later style pistons.

    Regular Mahle pistons are garbage. They weren’t used as oem in LB7 and LLY
  11. gmduramax

    Dimpled Pistons

    Now I could be totally wrong. I don’t think dimpling on cylinder heads help. I have seen it increase power but the reason was the runners were too large and slowed velocity. By dimpling it essentially created a layer of stagnant air against the runner making the runner smaller and helping velocity.
  12. gmduramax

    Caster still off after Alignment. Is this normal?

    Take it back. I like to see 4.5° caster at least. You’ll have more camber gain with more caster. On a heavy vehicle you don’t need to go crazy high. The tires will also want to stay straight while driving. I keep caster even on all my vehicles because race car life. Camber I like to be -.5 on...
  13. gmduramax

    Caster still off after Alignment. Is this normal?

    Typical they just adjusted toe and called it a day. I would go back and talk to the alignment guy personally and call him a lazy pos but that’s me 🤷🏻‍♂️
  14. gmduramax

    Anybody run a LLY VVT turbo with a waste-gate actuator controlling the vanes?

    Why not run an LB7 turbo?
  15. gmduramax

    Bought a Sierra as Donortruck - now he stay

    You can gain about 1 inch just from cranking the torsion bars. Longer shocks are a must. With aftermarket upper control arms you can gain about 1.5-2 inch higher while still having a decent ride. Not sure if aftermarket upper control arms will pass your road approval 🤷🏻‍♂️
  16. gmduramax

    Help!

    It should pull out
  17. gmduramax

    What is the max reliable overbore on a LMM block without filling the jackets?

    Got about 125k miles with .040 around 1000ish hp the block is half filled
  18. gmduramax

    Twin engine duramax truck...

    Would it completely kill the motor or make one engine fall under the turbo and not make power? There’s too many questions we don’t have the answer to. I’ve seen sled pullers run multiple engines and they do just fine.
  19. gmduramax

    Twin engine duramax truck...

    You almost wouldn’t need a drop t case just angle both motors down and run a long drive shaft, rear engine runs front axle 🤣
  20. gmduramax

    Twin engine duramax truck...

    I see no reason the engines and trans need to be run in sync. If both converters are locked and one trans shifts to 5th before the other one motor will just be at a different rpm. If one is at 4000rpm and one is at 2700rpm both motors are still accelerating. Now as long as that doesn’t cause one...
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