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  1. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Just had 4.56 gears installed to replace the 3.42s. My truck is a 5speed manual so I can always upshift as needed. However, 75mph I’m turning 2,500rpms in 5th gear. Love this setup with my 33” tires.
  2. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Best of luck. Hope it goes well. I completely understand the emotional attachment to things.
  3. volfan72

    4.3 to 383 Blueprint Sniper EFI

    I am going to sell everything as a no reserve auction on EBay.
  4. volfan72

    4.3 to 383 Blueprint Sniper EFI

  5. volfan72

    4.3 to 383 Blueprint Sniper EFI

    K1500 Oil Filter clearance. I did not want to reinstall the 90 degree oil filter adapter, so I needed to find a shorter oil filter. However, I needed to account for the lower capacity smaller filter which would in turn require less oil in the pan to prevent overfilling and frothing. I was able...
  6. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    For what it’s worth regarding decibel levels. Previously - 2 1/4” Y-Pipe no Cat with 3” Single Exhaust with a 5x11x22” Magnaflow was quieter. Currently - 2 1/2” dual from collector with Hiflow Cats, X-Pipe and TWO 4x9x18” Magnaflows is as loud and drones at 2K RPMs I measured with a sound...
  7. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

  8. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    All finished. My OCD would have preferred the drivers Convertor parallel with the motor. However, there was not enough room with the bends required. Definitely flows better now and actually smoother at low RPMs. BEFORE = 2 1/4” Y Pipe with single 3” large with Magnaflow muffler all the way...
  9. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    Well said. My apologies. I was just wanting to see options regarding crossing over from drivers manifold/collector without using a Y Pipe for a “True Dual” setup. My engine dynoed 448 at the crank naturally aspirated.
  10. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    It’s not cheating if your exhaust maintains the requirements set forth by your county or state’s government emissions testing. These are the types of responses that make finding useful information within this forum so challenging. Does this forum even have a moderator?
  11. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    I have no idea what you are referring too, please explain with specific details. I have had multiple exhausts built which included replacing OEM converters with hi flowing converters while still maintaining the integrity of my counties emissions testing. The purpose of this thread was to...
  12. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    Appreciate everyone’s responses. Anyone mind sharing a photo?
  13. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    I’ll post pictures as soon as I get it figured out. I have an appointment at the exhaust shop Monday. I’m thinking in front of the first crossmember. The second crossmember at the transfer case is much taller.
  14. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    Currently I don’t have any pieces for true duals. That’s what I’m trying to design. My setup currently is Y-Pipe to single exhaust.
  15. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    My apologies for the confusion. My thread could have been clearer. The image was just a reference I am trying to determine the best location to run the exhaust tubing from the drivers side to the passenger side for true dual exhaust. It appears behind the transmission and in front of the...
  16. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    Much gratitude for any contributions regarding crossover pipe from drivers side exhaust to passenger side. Mandrel bend options included. Minimum 2.5” Photo for reference….system seems to be discontinued.
  17. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Motor dynoed 458hp at crank. Needs to breathe.
  18. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Yes sir. Motor is offset 2 5/8” to passenger side. Had to use mid length. However, the 1 5/8” primaries and 3” collector dramatically improved throttle response, low rpm power, and idle.
  19. volfan72

    Information on 88-98 frames offsets

    Would you prefer multiple threads with the same information?
  20. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Swapped out the 1 1/2” primaries with 2.5” collector headers. Just the 1 5/8" primaries with 3" collector made a huge difference. Idles better, accelerators smother and sooner. Even is smother below 1400rpms. Next step is 2.5” duals from collector back.
  21. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Thanks. Kids are more important anyways. All in due time.
  22. volfan72

    4.3 to 383 Blueprint Sniper EFI

    Runs really well. Very pleased. Just needs gears now. It still has the 3.42s.
  23. volfan72

    4.3 to 383 Blueprint Sniper EFI

    It’s a Blueprint engine with Blueprint heads.
  24. volfan72

    Information on 88-98 frames offsets

    I’m confused….why keep archives then? Providing relevant information to a post regardless of age should be beneficial correct? Please help me understand.
  25. volfan72

    Information on 88-98 frames offsets

    I had the same issue when I converted my 4.3 V6 to a 383. I used OEM(Treasure Yard) engine mounts and new frame mounts. My motor matched perfectly with the input shaft of the trans. However, the Headman headers I ordered would not fit. Hedman told me to measure for offset. My engine is 2 5/8”...

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