Here is a really nice install of a 4bt into a K5. I wish there was a detail writeup on how to do this swap.
http://www.youtube.com/watch?v=SIod6rIKqOU
http://www.youtube.com/watch?v=SIod6rIKqOU
CK5
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4bt k5 on youtube
- Thread starter wazzabie
- Start date
4xcrazy
3/4 ton status
sounds like a forklift.
DK5
1/2 ton status
- Joined
- Jan 14, 2007
- Posts
- 1,547
- Reaction score
- 11
Cool.
y5mgisi
1 ton status
I like it!
sixb
1/2 ton status
saw that before and said, damn that's loud inside the cab, but sooooo cool 
Nice, I sure do want one of these
saw that before and said, damn that's loud inside the cab, but sooooo cool
I think you are hearing the boggers
4xcrazy
3/4 ton status
DrkZide
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Isn't that a little underpowered? What about a Cummins 12V or maybe even one of the newer ones?
Nope, 120hp and over 300tq with a stick run pretty good. You got to think they are in something that is way heavier than a k5 and get around decent. Everything off a 12v Cummins will mostly swap to a 4 banger Cummins, one of my buddies put one in a 97 TJ with a nv4500 behind it and let me tell it would flat get down the rode and get over 30mpg.
The newer ones are electronic. ISB and ISBE are more difficult to swap in because of the computer system.
I wouldn't be suprised if a 120HP 4BT powered K5 could run right with one with a stock carbed 350. A lot of the older 350's only made 165HP or something, with nothing near 300ft lbs of torque.
Regardless, the right 4BT could make 250-300HP fairly easily.
DrkZide
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And they're much more fuel efficient right? I just might have to look into that. I wonder if I can bolt one to an Allison 6spd while keeping the 4WD.
Yes very fuel efficient as long as you don't get mod happy but they still get good mileage modded out.
With the right amount of cash you can do anything, an Allison 6spd would need a stand alone computer and you would have to find out what spline the out put is on it so you can swap t-cases to a p-side drop t-case.
DrkZide
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Hmm....I'll have to see. I was trying to stay away from computers. I have the Sm465 right now
A nv4500 from behind a cummins will work and give you overdrive.
Kjunky5
1/2 ton status
Now I want one....Somebody please get this idea out of my head. I'm already selling the 5.3 so I can go 6.0. 
Me too! I like the sound of this swap.
Madspeed
1/2 ton status
I don't get it that's nothing a gas engine cant to with less work
But OK Kudos for the efforts
I biased I have a twin turbo'd Duramax In mine 505 hp and 1109 Ft lbs tq
QUOTE"With the right amount of cash you can do anything, an Allison 6spd would need a stand alone computer and you would have to find out what spline the out put is on it so you can swap t-cases to a p-side drop t-case."
I have the ally with a driver side drop 205 I did it myself and if u use the Dmax and ally with electrical its STUPID easy
Detri Mental
Registered Member
Wow my Blazer is getting around.
I got a PM on 4BT Swapps that said it was on here so I signed up and sure enough, here she be.
I have been driving the Blazer around for a year and a half now and I absolutely love it. It is noisey inside before the engine warms up, but after it reaches operating temperature it's not too bad.
I don't have Boggers on there anymore which is what you hear a lot of in the video. They were on backwards because I had one that was trying to take the shape of a football and it helped to turn them around.
Im running 37" Goodyear MTRs and they roll a lot better and quieter too.
In the power department it won't win any drag races, but it has no problem keeping up with traffic either. I still have it set to potato chip truck specifications too. I may turn it up a little in the future, but for now im satisfied.
Other than tires I haven't changed it at all. Usually people can't leave their projects alone and it seems that almost as soon as someone gets a project done they are tearing it back apart, but Im perfectly happy with the way it turned out and my only plans are to drive it.
I got a PM on 4BT Swapps that said it was on here so I signed up and sure enough, here she be.
I have been driving the Blazer around for a year and a half now and I absolutely love it. It is noisey inside before the engine warms up, but after it reaches operating temperature it's not too bad.
I don't have Boggers on there anymore which is what you hear a lot of in the video. They were on backwards because I had one that was trying to take the shape of a football and it helped to turn them around.
Im running 37" Goodyear MTRs and they roll a lot better and quieter too.
In the power department it won't win any drag races, but it has no problem keeping up with traffic either. I still have it set to potato chip truck specifications too. I may turn it up a little in the future, but for now im satisfied.
Other than tires I haven't changed it at all. Usually people can't leave their projects alone and it seems that almost as soon as someone gets a project done they are tearing it back apart, but Im perfectly happy with the way it turned out and my only plans are to drive it.
