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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

Be on the safe side with the Ranch Hand Truck Accessories
Modern truck may be fully equipped with all modern safety matters but in some situations it may not be enough. You need the peace of mind that when...
73-87 6.5TD Swap
I've got a '80 K10, 8" lift, 35's, D60/14BFF w/4.11's, and SM465 that I'm about knee deep in swapping a '96 6.5 into. I got a new southbend...
SAE 3 transmission options
hi all, I'm trying to source a new transmission for my truck. I have a 1971 Ford F-250 Crew highboy 4x4 with an isuzu 6bd1t that had an np540 5...
Tranny swap into '65 Continental
Okay, so I'm doing research into a 6BT swap into a '65 - '67 Lincoln Continental and before i start the project, I want to have all the foreseen...
ARP Stud Install Details
Looking through the ARP head stud instructions leaves me wondering one thing: do the studs get hand tightened until they bottom and left there or...
Injector for ve pump
I have a 4BT with VE injector pump and having trouble getting power out of it. I had another 4BT with the exact setup with the exception of the...
Water InlTheet for Ford High Mount AC Bracket
Many members have used the Ford/Freightliner high mount ac bracket. It's especially useful on GM vehicles because it get the ac compressor away from...
New project!...What motor?
Well we just brought home a 1967 Jeep Wagoneer it has the Dauntless 327 V8 and parts for those are difficult to acquire so I need ideas for a new...
How do I create a MSG Signature? THX
How do I create a MSG Signature? THX
75 chevy cummins/nv4500 conversion.
I have a 75 Chevy with a 5.9 Cummins. It had a TH350 transmission that just would not hold up. So I installed a nv4500 transmission. Now I need a...
Question about Manual Costs.. CD vs Book
I hope this isn't too far off topic and get moved, but I know a lot of DD fellas have purchased CDs or electronic versions of service and owners...
Cross-Reference Crank Gear?
I have a crank gear that is missing 1 tooth. Curious if anyone knows what series of numbers can be used to replace this? My current gear says...
1990 NPR Transmission/adapter/shifter questions
I changed out my 16" wheels on the 1990 NPR to 19.5's and looks like I have gained about 6 to 7 MPH with the taller tires. I am really happy with the...
How high rpms can a 6BT sustain?
Hi all, I'm a relative newbie here. I am re-powering a 1943 Diamond T 6x6 969 truck with a 6BT. The truck has a Clark 5sp w/0.78 O.D., direct...
4bd1t will not warm up.
how is everyone doing. it has been a long time since I was on here. But I have been having a problem with my truck. It has been a problem for awhile....