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  1. 0

    454 marine engine into a vortex 454 truck?

    Ok, so long story short, can’t find a vortex 454 (96+) straight out of a truck to swap into mine (2000 K2500 454). However, lots of older boats, and marine 454’s. If I can find a Gen 6 marine 454, I believe all I would need to swap over is: front accessories, intake, fueling, exhaust manifolds...
  2. 0

    2000 K2500 8.1 Swap

    I’m still in the researching faze myself, until the fiancé says I have room for another truck. I’d be very interested in learning about the differences in wiring, is that caused by the hydro-boost setup? As far as I can tell, through photos, the dashes look identical. Eventually this truck will...
  3. 0

    2000 K2500 8.1 Swap

    Once I get a 3500hd I’ll take pictures and upload all the information and differences I find between the two. I found one a few hours away, $2k and still had a hydraulic flatbed on it. Hoping to make this thread the all-in-one swap info for the 8.1, I love all the info that’s already on here...
  4. 0

    2000 K2500 8.1 Swap

    If I can’t find the pieces I need through eBay and oem sources then I’ll end up buying a donor truck. Honestly seems like the best option but wife says we don’t have room for another vehicle. Luckily pulling weight isn’t my main concern, but I do plan on pulling a decent amount with it, I’m...
  5. 0

    2000 K2500 8.1 Swap

    I’ve done that style of swap before, and it worked great, I did a 2.3 ford engine with a junk yard turbo (I think off a 6.blow?) and did all the custom fab work and put it into a wrecked Miata chassis just for a cheap burnout car. But I plan to keep this truck for, well pretty much forever...
  6. 0

    2000 K2500 8.1 Swap

    I remember when I first saw Farm Truck in person, I had no idea what it was at the time, but watched it smoke a Mustang(?) on a test and tune day. I was just stopped dead in my tracks wondering WTH did he do to that old truck. Either way the 8.1 is definitely happing now that I have the donor...
  7. 0

    2000 K2500 8.1 Swap

    I’ve been following his build on that truck, a 8.1 AWD SCSB is something I see in the future also, probably not as crazy as he’s gone with his engine, but a fun swap I thought of when I had mine (damn trees).
  8. 0

    2000 K2500 8.1 Swap

    You wanna sell it? lol Just kidding, but I found a 01 C3500HD near me on FB marketplace, complete truck for $1500 (with a good engine/drivetrain too), problem is the language barrier, and the fact FB blurs out phone numbers and the guy refuses to respond on marketplace/messenger. Oh well though...
  9. 0

    2000 K2500 8.1 Swap

    No doubt in any of the information you listed, as both my 454’s had well over 200k miles, and one of which was used to haul rock for 90% of its life, VERY possible I had very worn out engines. My original plan was to pull the 454 and rebuild it, but prices for a good Gen6 short block are through...
  10. 0

    2000 K2500 8.1 Swap

    Just for clarification, possibly bringing up more questions. The truck I’m looking to pull parts off isn’t a Kodiak, I believe the technical model, according to gm websites, is a 01-02 C3500HD Cab and Chassis “classic”, it’s a true GMT400 platform with the 8.1 from factory, only other engine...
  11. 0

    2000 K2500 8.1 Swap

    This is why I’m trying to do it as “oem” as possible. Trying to use as many 01-02 gmt400 parts as possible. I looked a bit more into the harness and computer issue, and found that the 01-02 uses 0411 pcm from factory in the gmt400 platform. Also some 01 trucks got the 4l80 where as some 02...
  12. 0

    2000 K2500 8.1 Swap

    Not aiming for high performance numbers with the 8.1, at best a mild custom grind cam, and a supercharger. Which if I’ve done my research right there is one company that makes one. Or I’m not afraid to have a custom intake built for one of the “off the shelf” 6.0 ls superchargers or something...
  13. 0

    2000 K2500 8.1 Swap

    Starting this thread off with questions. Got a 2000 K2500, CCSB, 454 4l80 4WD W/ electric transfer case. I’m wanting to do a 8.1 swap, and keep it as OEM/factory as possible. How I plan to do this is use parts from 01-02 3500HD “classic” cab and chassis truck, as these few models came with...
  14. 0

    Gen 6 454 Questions

    In the past couple years I’ve noticed an uptick in 8.1 aftermarket support. Which I don’t plan on any heavy modification for the 8.1 for this build. A mild build with maybe a “bolt on” supercharger. Keep a very mild cam, it’s going to be a towing rig for me. High HP isn’t as important as high TQ...
  15. 0

    Gen 6 454 Questions

    Read through it, pointed to some other great articles, my only concern most of these 8.1 swap include quite a bit of fabrication or custom work, which I’m not apposed to, but I’d like to keep it as oem as possible. If I could just find a vin to order the 01-02 3500HD “classic” oem harnesses...
  16. 0

    Gen 6 454 Questions

    Gen 7, that’s the 8.1 isn’t it? Were those ever available in this platform from factory? If so I’ll try and find a parts truck and do a whole “oem” swap.
  17. 0

    Gen 6 454 Questions

    Sorry misread that the first time. I’ll probably just hold out for a GenVI good lower end or full engine.
  18. 0

    Gen 6 454 Questions

    So basically take the good top end off my Gen 6 and put it on a good Gen 5 short block? That wouldn’t be too hard to do. Sounds like a “weekend build” that I’d be able to do. What about the cams? Aren’t the G5 flat tappet and G6 roller? Are they easily interchangeable?
  19. 0

    Gen 6 454 Questions

    So find a GenIV block and not an GenV? Would I swap in my oe GenVI cam and lifters since I’ve heard the GenIV flat tappet isn’t the best? If I could find just a good bottom end/short block GenVI I’d swap my heads on it, but most short blocks are all rusted junk.
  20. 0

    Gen 6 454 Questions

    That’s what I was afraid of, I found a couple GenVI engines, but they all are have either bad crank/rod bearings or they want $2k or more. And at that price it’d be cheaper for me to buy the tools and parts I need for the job and do it myself.
  21. 0

    Gen 6 454 Questions

    Ok, so my 2000 K2500 454 has spun a main and or rod bearing. Don’t have the tools to do a rebuild. Found lots of Gen 5 454 motors for 600-1200 but can’t find any Gen 6 around me. So main question, can I used a G5 engine in place of my G6? What’s the difference between the two? I’ve heard cam’s...
  22. 0

    14 Bolt questions

    Ok, I’ll dig into it and see what I can find on that, info should be easier to find on it I’d hope. And on those vans, I’ve heard it can differentiate between passenger vs cargo and then different engines. Also heard towing packages make an impact too?
  23. 0

    14 Bolt questions

    Did the newer trucks have wider rear track? I never noticed if so lol. That at least makes the search for an axle easier, those trucks are a dime a dozen, and parts are even cheaper.
  24. 0

    14 Bolt questions

    That’s stock axle with spacers? So which axle should I look for? Really want the 14b, so a 93+ van axle? That has the wider width and disc brakes? Modifying the axle tube for spring and shock mounts isn’t a problem.
  25. 0

    14 Bolt questions

    So first off I’m kinda new here, second off I absolutely love these trucks, except one major thing, the rear axle track width. So here goes: I have a 2000 K2500 454, I’m 99% sure I have a full float 14 bolt rear axle, which is 65”(?) track width or 67”(?) WSM according to my research. The front...
    • 00CrewCab
    • Thread
    • 14 bolt axle conversion dana dana 70 disc brake k2500 stance
    • Replies: 16
    • Forum: Axles + Brakes

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