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  1. Bret

    1991 chevy manual transmission options

    I believe either would be a direct bolt in, might have to change a pigtail for the reverse light. NV4500 from 1996 and later trucks will have an internal slave, in which case you would need that plus new master line. It's covered more in this thread...
  2. Bret

    GMT400s with a BBC

    Could be, I don't know a ton about the 88-90s. Sent from my PH-1 using Tapatalk
  3. Bret

    GMT400s with a BBC

    They came with the Mark V, 1996 and later had the 6. Sent from my PH-1 using Tapatalk
  4. Bret

    Looking for Front end grill and bumper images

    1999 Suburban 2500 with 94 and earlier GMC Grill and 1988 quad headlights. I'm planning on making a custom grille, putting bumper guards back on, and putting orange clearance style lights in the old trim holes in the bumper.
  5. Bret

    Custom Grille Opinions

    I've been feeling like changing up the grille on my Suburban lately, getting tired of the lack of options for lenses and marker lamps for the early GMC grill. I love the open grill of the GMC, but hate the big open space under the marker lights on 96+ ones. Wondering what a chevy grill would...
  6. Bret

    Manual Swap, Transfer Case and Driveshaft Question

    Sounds like a pretty rare combo, can't say I've ever seen a 4l60E with a 14Bff behind it. But you responding prompted me to do more research. Going off Dorman's website, Looks like a K2500 Burb/RCLB with 4l80e is 61.5" Driveshaft, while a 4l60e Burb/RCLB or NV3500 RCLB uses a 63.125" Driveshaft...
  7. Bret

    12200411 PCM swap for 1996 to 2000 GMT400 trucks

    Message him on this forum with your email address and truck year, engine, and transmission. He sent me a sheet for my truck about 2 weeks ago.
  8. Bret

    Manual Swap, Transfer Case and Driveshaft Question

    I've got a 1995 4x4 NV4500 to swap into my 1999 Suburban 4x4, so I wanted to see if anyone could help me fill my holes here. My vehicle: 1999 2500 Suburban 454 4L80E, 14 bolt FF, NP241 TC NV4500 Donor: 1995 ECLB 2500 350 NV4500, 14 Bolt SF, NP241 TC I know my driveshaft will be a little bit...
  9. Bret

    Pro Comps + 285s

    I've been in the market for 285's, where did you find that deal? I can only find them for $177.99 Each with the $100 rebate.
  10. Bret

    NV4500 sources?

    I'm looking at similar swap for my Suburban. No matter the engine, all NV4500 95 and up(possibly earlier) should be the same, to include the bellhousing bolt pattern. Dodge NV4500 have a different bolt pattern and will require an adapter, which combined will probably be more than a GM one. The...
  11. Bret

    Is this a rare/uncommon two tone?

    My 1993 SCLB back in highschool had the same paint. Its gotta be at least decently rare, I've only seen 2 or 3 others with the same color, excluding yours. It is my favorite color scheme for these trucks though, I'd love to get my suburban painted with the same code. Sent from my PH-1 using...
  12. Bret

    Add a toggle switch to get 2 low?

    The rear axles in 4x4 and 2wd are the same generally. The "lock" we are referring too is a keyed slip ring type deal that connects one of the front drive shafts to the gears in the differential. GMT-400 never came with a true locking differential, front or rear, just a G80 that locks when your...
  13. Bret

    Add a toggle switch to get 2 low?

    I assume you mean using rear axle as a front axle. Its within the realm of possibility : https://www.powernationtv.com/two-minute-tech/2min-467/convert-a-14-bolt-to-a-steering-axle Honestly not worth it unless you want a hell of a wheeling rig. You would still have to do a solid axle swap...
  14. Bret

    Mirrors

    I'm not aware of taller non-towing mirrors, but I like to be able to see my wheels from my mirrors, so I buy small stick on blind spot mirrors from the auto parts stores. I'd imagine they should be able to do what you need for a good cost without tow mirrors or custom options. Sent from my PH-1...
  15. Bret

    Vortec Engine to TBI Swap

    I already have an Edelbrock 650 that is on the current engine, I originally got it for $200 plus the cost of a rebuild kit. For TBI parts, the Pick a part near me is always running 40% off sales too, and absolutely no lack of GMT400s. They even had a 92 3500 with 454 and throttlebody still...
  16. Bret

    Vortec Engine to TBI Swap

    A lot of what you describe is exactly what I had in mind. For a vehicle subject to emissions and safety inspections, the vortec injection system/Marine intake modification may be worth it, but for the 1967 Chevy this engine is going into, none of that is worth it imo. I had assumed it would be a...
  17. Bret

    Hello from the soon to be frigid north.

    I saw your part about a short in the radio. If it happens to be that your back door speakers aren't working, I was just chasing that tonight. It turns out the 1999s had a factory amp under the dash, near your right knee. When you wire the radio up, the aftermarket radios Blue with White stripe...
  18. Bret

    Vortec Engine to TBI Swap

    That's a good idea checking out a speed shop, I'm currently living in southern California, so there should be no shortage of em. Also, just noticed I put the wrong manufacturer of my 3 Speed, it's actually a Saginaw, not a Muncie!
  19. Bret

    Vortec Engine to TBI Swap

    Those pictures are awesome, I appreciate that, it definitely clarifies a lot of what everyone been saying. I think keeping the stock water pump will still be in my best interests so I can keep the serpentine setup. For the water bypass, I've been using this picture to try and see my options...
  20. Bret

    Vortec Engine to TBI Swap

    Looking up chevy cooling diagrams, it looks like I should be able to run a nipple in the top of the carb intake and route that to the vortec water pump heater hose nipple. If that doesnt work, I'll keep researching the issue. As far as the intake, I'll keep the same intake for the TBI, but I'll...
  21. Bret

    Vortec Engine to TBI Swap

    I would prefer to learn on a simpler injection system, with a way cheaper modification cost. Despite being cheaper, I wouldnt want to send the ECU to get tuned because I wouldnt be learning anything that way. If I was to get into the costs needed to modify the Vortec system, I'd rather just do a...
  22. Bret

    Vortec Engine to TBI Swap

    I just reread you're post, I'm defanitely going to research into that coolant bypass and see all the available options, I appriciate you informing me about that! Sent from my PH-1 using Tapatalk
  23. Bret

    Vortec Engine to TBI Swap

    I want to do TBI for a few reasons. I like the carb, but it does get tedious to have to rebuild because I dont drive it all the time. I also want to start dabbling into FI tuning. Theres also all the obvious benefits like not worrying about the choke. The biggest part of it though is probably...
  24. Bret

    Vortec Engine to TBI Swap

    So it's not completely GMT-400 related, but I have a 1999 5.7 Vortec I'll be swapping in my 1967 Biscayne. I'll be going carb'd initially, but I plan on going to a 1990's chevy TBI and computer later on. Have any of you guys done a Vortec to stock TBI? Do most of the Vortec Sensors transfer...
  25. Bret

    94 cylinder heads

    My bad, you're right. I meant intake, must have had a brain fart when I posted it.

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