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  1. B

    Help dies when hot. No restart

    Only code that keeps coming back is p1280 icp out of range low. Poured ice water on the pump again and wrapped it with an ice rag. Still nothing
  2. B

    Help dies when hot. No restart

    Engine oil temp got to 180 then it shut of like turning off a switch. No sputtering. Icp was above 500psi then died
  3. B

    Help dies when hot. No restart

    Base oil pressure 52psi on a cold crank. Mobile delvac 15/40 oil if that matters
  4. B

    Help dies when hot. No restart

    Ok pump gear was more then tight. Decided to try and start it. Oil temp was 79 degrees fired right up. Runs perfect. Idles perfect. Gunna let it run till it shuts off. See what oil temp it is when it dies
  5. B

    Help dies when hot. No restart

    Thanks for the advice. Headed to my shop now. The pump gear has crossed my mind. Ill check that as well. And a new ipr for sure
  6. B

    Help dies when hot. No restart

    Ill try blocking off each line.
  7. B

    Help dies when hot. No restart

    90% ipr is a massive leak. Thats why im so stumped. It should be easy to find. But cant find anything
  8. B

    Help dies when hot. No restart

    Thats the thing. I have checked all the injector orings twice. Literally pulled all the injectors. They are brand-new. Then I air tested each head. Didnt hear any leaks. Then I unplugged the injector harness and turned the motor over. None of the injectors were shooting oil out of the spout so...
  9. B

    Help dies when hot. No restart

    Well I tried cooling the pump. No change still would on build 400psi at 90%. I just cant believe the pump is bad. Prior to the engine rebuild had absolutely zero issues. I even poured ice water directly on the pump then wrapped it in a wet rag. No change. Its almost like the motor has to be ice...
  10. B

    Help dies when hot. No restart

    Could it be possible for the electromagnet on the ipr be bad? I only ask because I check the pressure with magnet on then ipr. Then I completely removed it from the ipr and turned the motor over. The icp and ipr readings were identical.
  11. B

    Help dies when hot. No restart

    Original version srp1 not the srp1.1. This pump has about 100k miles on it
  12. B

    Help dies when hot. No restart

    I even and test each cylinder head separately no leaks at the orings. visual inspection they still look brand new
  13. B

    Help dies when hot. No restart

    all injector orings were checked twice. thanks ill try cooling the pump
  14. B

    Help dies when hot. No restart

    and when I can get it to fire it idles perfect. rev it up the pump puts out 2500psi plus in park. so I cant imagine it being the pump
  15. B

    Help dies when hot. No restart

    ok quick run down. just rebuilt this motor everything is new. on first fire up it was perfect no problems. drove it around maybe an hour or so. the next day drove it some more. let the truck idle for a minute to pop the hood and check for leaks. truck died and wouldnt restart. I have it...
  16. B

    which fuel pump

    The only reason I havnt pulled the trigger on one. From what I've read it doesn't seem like it would do too good on a daily driving applications having to run for extended periods of time. But I could be wrong
  17. B

    which fuel pump

    Currently running a single walbro. Looking to change. Possibly to a bosch 044 or a1000. Injectors will be 300/200s and the truck will be driven on the street alot. Any opinions? Thanks
  18. B

    What would cause this?

    Thats a good question. Never thought to look. I do remember some of the valve stems were mushroomed out from the rocker arm beating on them. Ill have to check and see what of the cam its on
  19. B

    What would cause this?

    What would cause this? Lack of lubrication or weak valve springs? There was valve to piston contact. The motor had right at 300k miles and ran comp 910s shimmed. Other mods are in the Sig only difference the turbo was a 38r at the time
  20. B

    Tuning 101 - Thread Merged with Injector Posts

    Maybe someone from dyno proven with chime in

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