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  1. Bbuchanan11

    Controlling boost while spooling

    Thanks for the info I’ll look in to contacting him.
  2. Bbuchanan11

    Controlling boost while spooling

    I’ve googled and googled theres not a lot of info on how people have done it… I have a donor truck that is 4wd. But my main concern is the electronics of it.. is it possible to get an ecm like out of a van to run the engine and transmission? And I have ocd about lights being on on the dash is it...
  3. Bbuchanan11

    Controlling boost while spooling

    What’s everyone’s thoughts on a 4l80 in a 4x4 race/street truck? I’ve been researching a lot most threads I could find were a few years old..
  4. Bbuchanan11

    Controlling boost while spooling

    Yeah I can only feel anything when slowing down or starting out… but I only drove it about 2 miles to get home
  5. Bbuchanan11

    Controlling boost while spooling

    I would say it slams in to gear more then out… and I haven’t tried to brake torque it since it happened but backing it in the garage i had a hard time stopping it like it was still in lock up..
  6. Bbuchanan11

    Controlling boost while spooling

    Agreed… I think at this point the only thing that would really surprise me is if the tranny had any billet parts in it lol
  7. Bbuchanan11

    Controlling boost while spooling

    So after talking to a buddy of mine he builds transmissions just never an Allison he’s telling me that since my truck still moves and doesn’t act like it’s slipping that my problem is not my converter? So the truck still moves but it makes a loud almost like squealing noise when it’s in drive or...
  8. Bbuchanan11

    Controlling boost while spooling

    Lol ouch…
  9. Bbuchanan11

    Controlling boost while spooling

    I can see the fluid got sparkly on the end of the dip stick in the sun light so I’d imagine it has to come apart to clean it all anyways..
  10. Bbuchanan11

    Controlling boost while spooling

    Yeah I’m definitely going with a goerend converter… I was thinking about getting a limitless diy kit for the trans while I had it out.
  11. Bbuchanan11

    Controlling boost while spooling

    Well after 3 2nd gear launch’s not even in the same days my old ass converter decided it did not like it lol… can’t say I’m really surprised not being the original owner of the trans/ converter I have no idea how many miles or the life it had before I got it. But I know the converter was...
  12. Bbuchanan11

    Controlling boost while spooling

    It is an lbz I ended up trying out the 2nd gear start and it helped a lot I can spool it up to 3000 rpm without it trying to push… hopefully I can make it last the rest of this year and change the converter over the winter
  13. Bbuchanan11

    Controlling boost while spooling

    Yeah that’s what I’m hearing….
  14. Bbuchanan11

    Controlling boost while spooling

    Loaded the 2nd gear start tune tonight I haven’t launch it yet just spooled it in a parking lot and wow what a difference I could get it to almost 3000 rpm and 35 psi without it moving… definitely more then I think it could handle launching at.
  15. Bbuchanan11

    Controlling boost while spooling

    Well looks like I’m going to try a 2nd gear start for the rest of this year and plan to change the converter over winter.
  16. Bbuchanan11

    Controlling boost while spooling

    Mark tunes it for me and I haven’t asked him about it I didn’t know if it could possibly be tuning related.
  17. Bbuchanan11

    Controlling boost while spooling

    I have talked to George about the trans before. It was already built before I got it. I got the serial number off of the converter when I had the engine out and called precision to get the specs on it… I have thought about the 2nd gear start before but never pulled the trigger. How bad is it on...
  18. Bbuchanan11

    Controlling boost while spooling

    No sir
  19. Bbuchanan11

    Controlling boost while spooling

    starting to sound like that idea is out the window lol… but the converter is only a 2000 stall
  20. Bbuchanan11

    Controlling boost while spooling

    366/ billet 488
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