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Welcome to 4BTswaps.com. We are a web site about diesel conversions into all vehicles though we are heavily focused on the famous Cummins 4BT engine.
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Latest Posts From 4btswaps.com

aww in dash oil pressure died
so the in dash oik pressure gauge died. 1993 f150. think the 100+psi did it in? i havent changed the sensor yet, as i have a mechanical...
vw bus??
despite the issues in mounting... how do you think an om617 (out of 1981 300sd) would perform in a vw bus??
what have your done to increase MPG? 4bt
ok im looking for ways to increase my MPGs 4bt, ve pump turned up a little (yes i know i can turn it back down) stock fuel pin turned. currently...
Silicone Reducers needed ASAP!
Got the truck out of the shop today....not even halfway into the first pull after warmup, and the unmistakeable sound of a boot blowing. Fixed that...
1978 Chevy C10/C20 w/ 6BT and A518 Auto
After planning this build for more than 3 years I have finally started to make some progress on it. I have a very nice 78 model C10 Silverado...
Compound turbo oil drain ?
I have a plug a few inch up from the bottom on the side of my oil pan. Can I use that for the lower turbo drain port or do I need it to drain above...
Aftercooler? Why is it called that? And...
First question, why is it called an after cooler? Techincally speaking isn't it an air-water intercooler that just happens to be located/integrated...
(PICS!) Bought 4bt...Removed Head...now what?
Just bought a 1988 CPL 858 w/ 122k miles. Got it for $600!!! The guy just wanted it gone and needed cash. He said it was running fine when removed....
E4OD Trans questions
Alright hey there, I have a 97 ranger that im swapping a 4bt in, but i want to keep her as factory as possible. (shes an automatic) So, I guess i...
Horrible Noises, Slight Miss, and Blowby
Today I had to move a load of hay so I decided to hook up the 4BT Ford. I had all sorts of power, 60 lbs of boost, and never more than 1200* on the...
Anyone have a bottoming tap for head studs?
I'm looking to get some ARP head studs and it sounds like the block should be tapped. This is a tool I'll never use again. Anyone out there have...
Another n00b
What's going on guys/gals, I'm from Shelbyville KY. Diesel Mechanic at a local car lot. I throughly enjoy your forum, and have read a lot of...
Eaton or Borg Warner
So I'm looking at 2 P-pump 4b's, both are 1998's in similar condition/running. One has an eaton 5 speed and the other is the Borg 4 speed. All things...
I'm looking to put a 4bt cummins in a 91 landcruiser
I'm looking into put a 4bt cummins desal in a 91 landcruiser I'm am new at this project , what would need to do the swap . I also would like to now...
4bt Power steering Pump?
Please keep in mind I don't know much! Hey quick question: Is this a hydraulic pump or a power steering pump? I need a power steering setup,...