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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

1980 F150 2WD front springs?
I am about to start fitting a 6bta and Fuller 5 speed in my 80 F150 2wd and wondered does anyone out there make a heavy rated front coil spring for...
Upgraded my intake plumbing.
Got my intake plumbing arranged a bit better than it was. Went from this mess, with too many 90* turns; Image:...
4bta+700r4 - no 4th
Hi Everyone, I have a 700r4 - that will not shift into 4th. Anyone else run into this problem with a 700r4? I've started to accumulate clues.....
stalls at full throttle
Anybody have any idea.......my ve pumped 4bt stalls after heavy throttle, then won't start. Has new fuel filter, fuel lines, New electric fuel pump....
4BD1T Injector Seals/Rings
Does anyone happen to have part numbers for 4BD1T Injector copper gaskets and O-Rings outer body? My dealer is useless looking them up. Thanks.
which would be easier
Hey yall. Would it be easier to put a 4bt into a 77 f100 2wd with a 300 and a c6.. Or a 89 f150 4x4 with a 300 and a t18 I have both to...
1994 Range Rover Classic to Diesel
So it's 2015 and I have just purchased a 1994 Ranger Rover Classic with a tired 4.2. I looking to convert the motor over to a 6.2 GM diesel and...
Turbo vacuum line
Can anyone tell me what the vacuum line coming of the turbo is for or where it goes? I can't seem to find it anywhere on any vacuum schematics and...
Getrag/203/205 Adapter
Thanks to Steve(eggman) I might have the shortest Getrag/203/205...
Installing a Tach to my 4bd2T
Anyone out there that can tell me the best way to wire up a aftermarket diesel tachometer to my 1995 Isuzu NPR 3.9L
chevy 6bd1t transmission id?
hello all, ive been hangin around as a guest for about 2 weeks using the search bar. I got a 1987 chevy tiltmaster 70 with a 6bd1th and a 5 speed...
hello All
Im joining here to get help on a project to put a 4bdt1 in a f150 (may do 2 for them). im well versed in diesels as i have 4 7.3s and work on them...
AFC delete
Anyone have any hands on with the Denny T AFC delete? And how did it go for you?
4bt-6bt manual flywheel
Hi guys. I still trying to build my 6bt and now I got a doubt. I have two flywheels taken from other engines. Serial number 3906613 and 3356103. Can...
54 chevy 4bt swap ?s..Thanks in advance.
Hello I'm looking for a 4bt to put in my truck and am new to the cummins motor. Does anyone know where I can find info that will help me locate the...