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  1. gmduramax

    Sump

    It’s cause I don’t have a DSP5 :roflmao:
  2. gmduramax

    Sump

    I gained 4mph going from the factory pickup to Kennedy’s
  3. gmduramax

    Sump

    I believe something needs to be done with the factory pickup especially if a lift pump is installed that returns fuel back into the tank. I noticed a huge difference just with throttle response modifying the pickup.
  4. gmduramax

    Sump

    I hate sumps, why just because :roflmao: Pull out your factory pick up. Hook a 5/8” diesel rated fuel line to the vent. Cut a bigger hole in your cup. Run the fuel line you added into the cup with a 45* cut at the end. Hook your feed line from the FASS to the vent.
  5. gmduramax

    Best DD Engine Build??

    Just for informational purposes. Pissing matches don’t help anything. AF cam $1000? Purpose: to provide better harmonics. Wouldn’t it be good to balance the crank the best as possible to help with harmonics?
  6. gmduramax

    Laptop. Again

    I just went to Costco and bought the cheapest they had, it worked great for 8 years until it was stolen. Went back and bought another for $200 and it’s been great for a year.
  7. gmduramax

    Best DD Engine Build??

    That’s why you get what you pay for :thumb:
  8. gmduramax

    Best DD Engine Build??

    What about checking the block and crank for cracks? Polishing the crank? Short fill on the block. Within 1% :rofl: this isn’t the 1960’s
  9. gmduramax

    Best DD Engine Build??

    I know I paid a lot but I wanted the best of the best. Sure I could get it done cheaper but when I wanted my rotating assembly balanced within a gram at 7000rpm I knew where I had to go. Maybe that’s why my crank is still in one piece after 130,000 miles, maybe I’m just lucky.
  10. gmduramax

    LB7 with LBZ heads

    So you probably filled your crank case with diesel. Search here about LB7 injectors. That more than likely took out your bearings. If you’re lucky it’s just your injectors knocking and fresh oil and new injectors fix it.
  11. gmduramax

    Fuel tank mod for more fuel

    The tank isn’t in the sun on our trucks. I consistently fill all the way to the cap when I’m doing mileage testing, never lost a drop. Now on a gas vehicle you never top off the tank, gas can go into the evap system and cause problems.
  12. gmduramax

    Best DD Engine Build??

    Doesn’t the lml manifold flow more than 01-10 manifolds? I thought I remember seeing where people would port the 01-10 manifold before it goes into the up pipe and the lml manifold you didn’t need to.
  13. gmduramax

    Twins with Twins, Anyone?

    You could just make it a triple setup :D
  14. gmduramax

    Post not loading right maybe just a Tapatalk issue

    Mines been working fine but I don’t use tapatalk much.
  15. gmduramax

    Best DD Engine Build??

    You do know you have to add $3-4500 in machine work with bearings right? And depending on how well they balance the crank will help how long it lasts.
  16. gmduramax

    4.3 V6 Turbo????

    Now we’re talking :woott: :happy2:
  17. gmduramax

    S&S street fighter engine dynoed

    :thumb: Seems like wagler is “doing cool things” but really they’re just marketing crap people have been doing cheaper and better for years.
  18. gmduramax

    S&S street fighter engine dynoed

    Add 3k for machine work.
  19. gmduramax

    S&S street fighter engine dynoed

    I can’t find their short blocks on their website but the street fighter rotating assembly is rated at 1000hp and is using mahle clevite pistons. On Instagram they said it’s rated at 800hp so it must be something different