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4BTA3.9 in 1/2 ton????

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90 degree elbow-turbo to intercooler

Cruising RPM

I am considering doing a project in the near future. I have a 1995 Ford F-150 4x4, 5-spd. manual, 300 inline-six gasser. It has around 191,000 miles on it right now, and I am considering installing a 4BTA3. 9 Cummins. Do you think that the 4-cylinder Cummins would have enough power for my truck? I know the rated torque on the Cummins is greater that the engine I have in there right now, but the rated horsepower is lower. I was thinking about going with a later 4BTA, something like a CPL#1839, which I think is an air-to-air aftercooled 130hp setup with the inline pump. I saw an earlier 4BT engine with the rotary pump in a Jeep at the Scheid Diesel Extravanza last year, (which was a pretty sweet setup!!). I think that with this 4-cylinder in my truck, I could get pretty decent mileage, at least I hope. Currently, the best I've gotten with the current setup is around 17mpg. I wouldn't be using this truck to pull very much. I just mainly use it as a daily-driver to go back and forth to work. The most I probably might ever pull with it is a 16-ft. Hillsboro bumper hitch stocktrailer.
 
Cummins powered Jeep

I am posting a couple pics of the Jeep at the Scheid Diesel Extravaganza from last year.

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Milage

I have a 4bt 120hp at rear wheels and 373 gears,4sp, I get 28mpg with 6000lbs empty truck and towing 18,000 lbs 13 mpg. When towing I used 410 rear. I did tow 10,000 lbs MN to CO with the 373 rear and was able to cruise 70mph but did not record milage. This setup won't lay any rubber but I have 200,000 miles on this setup with no trouble.
 
what kind of setup do you have?

What kind of setup do you have? What truck is your 4bt in? How old is the motor? What pump is on it? That 28 mpg doesn't sound too bad!
 
conversion

I to also have a 1994 F-150 witha 300 inline 6 witha 5 spd. But it is 2wd. Would this be a problem for a conversion to the 3. 9L Cummins. What upgrades would have to be made? Also can any one give me the specs on the the 4 cylinder CUmmins?



Thanks,

Doug
 
Tachometer

atv98ah,

On your F-150 if it has a tach on it what is the range. Mine doesnt have a tach and I am looking to put one in. I was thinking that 6000 RPMs would be more then enough but maybe 4000 would be better



Doug
 
tachometer

My truck does have a tach and the range is 6000 rpm. Not that this pertains to the tach, but how many miles does your truck have on it?
 
info

The truck is an 84 chevy dually. The engine is 1991 cummins re-con of 105 hp. The pump was tweeked slightly. It has a rotary pump.
 
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