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CATEGORY LISTINGS > CUMMINS > repower question [ REFRESH ]
Thread Title:

repower question


Created On Tuesday June 28, 2011 20:36 Diesel Talk
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bikemad
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Posts: 3
Joined: Jun 2011

Note Tuesday June 28, 2011 20:36 View thread in raw text format
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I am a newbie to medium duty diesel engines.

I have a bus with an 8.2L turbo Detroit Diesel Engine in it. From what I have read this engine is notorious for going wrong and then being very expensive to fix.

With this in mind I am planning a repower.

I build handcycles for a living. And I use the bus to haul them arround to events, bike races, handcycle clinics, and trade shows. I do a lot of miles and I need this vehicle to be economical as possible and also reliable.

With this in mind can anyone recomend a Cummins engine what would be suitable for this repower? My current Detroit produces 205 Horsepower, and I definitely need its replacement to produce more power than that. It is very under powered.

Thanks for your time

Graham
Intrepid Cycles - Handcycle specialists, San Diego, California
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JoeZ
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Note Tuesday June 28, 2011 21:01 View thread in raw text format
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What type of bus is it? Old school bus?
Several things to consider.....
Space....what will fit in there easily? Inline engines are taller and longer.
Cooling.....bigger engines means bigger cooling. Is there space for additional cooling?
RPM.....what has similar RPM....2100. 3208 Cat is similar but 2800 RPM.
Transmission.....are you going to change it out too....or do you need to find an engine that will mate up the transmission.
Weight....will the suspension take the added weight if there is any? If by chance it is an old school bus....some of them only had a 7500 lb front axle while others had 9000 lb.....still a bit on the lite side to take any additional weight.
The list goes on and on....
A lot to consider, and price could make it not cost effective....

-------------------------
One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.
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theakerstwo
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Joined: Jan 2009

Note Thursday June 30, 2011 22:00 View thread in raw text format
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Use a 5.9 cummins with a P pump. That would be 12 valve engine.Good for 235 if out of a midrange truck like a freightliner or ford.It has to be air/air cooled.
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bikemad
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Joined: Jun 2011

Note Thursday July 07, 2011 10:35 View thread in raw text format
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Thanks guys! this is helpful.

The bus is an old prison transport vehicle. It is of the same style as a school bus. We have torn out all of the seats and I am very happy to modify it further to fit a new engine. I am in no hurry to make the switch. I am perfectly happy to drive it with its current engine until it blows up. When that does happen, I will probably switch out both the engine and the transmission at the same time.

Somebody on another forum suggested that I could fit a Series 60 engine in it. If I did this I would probably mid mount it, so that all of the weight is not over the front axle. Does anybody here have any other ideas?

Thanks for all of your time.

Graham
Handcycle specialists
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