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  1. BigIron002

    383 Build

    Right 383/385 stock everything attached for so not a deal breaker. Just need to get it to run like it should. There’s emails out to see what I can do, must be a slow turn around time.
  2. BigIron002

    383 Build

    It’s a ATK 383 • Bore/Stroke: 4.040” x 3.750” • Displacement: 383CI • Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank • Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts • Pistons: Hypereutectic 9.5:1 Compression • Rings: Moly • Camshaft: Hyd...
  3. BigIron002

    383 Build

    Right seems to be fine once it gets to temp but till then she’s not happy
  4. BigIron002

    383 Build

    Thank You all. It’s a 93 suburban been sitting for a while and now it’s a family hauler. I’m fairly mechanical and wanna put my hands on it. I did email Bob at dynamic and he said I needed a tuner to burn a tune. If I could mail my ECM off and have a pro do it that be the way to go.
  5. BigIron002

    383 Build

    Right. Im hoping to do it all out of my garage. Really thought I had a tuner, I should have worked out all the details before I pulled the trigger on the 383 and rebuilt the 350.
  6. BigIron002

    383 Build

    Alright so decided against my better and I bought a 383 crate engine. Got it all wrapped up now can’t find anyone to tune it. Any suggestions? Know a tuner said can’t do it nothing obd1, another said same thing. Not many choices here in North Dakota It picked up a surge at idle now and...
  7. BigIron002

    Fuel pump stays on

    Napa sensor, waiting for a ac delco to show up.
  8. BigIron002

    Fuel pump stays on

    All the stock put a new oil pressure sensor on while I was I was in there and set back to zero for base timing.
  9. BigIron002

    Fuel pump stays on

    When you hook the battery up and fuel pump is on key on key off it’s on. Only way to turn off is with the fuse be the relay. Unplug the relay and it’s on. Start up idles alright seems to wanna die out when your out driving around. Thank You
  10. BigIron002

    Fuel pump stays on

    Hey just threw a 383 in my 93 Suburban and now the fuel pump stays in been fighting it and no change. Seems to run alright feels doggy not anything better then the old 350 that was pulled out and seems to want to die and hesitates. Any help is appreciated. Thank You
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