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Old 10-09-2007, 12:05 AM   #11
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Re: Cummins 5.9L Thread

Originally Posted by dlor1
70 mph out of a 5.9. Is anyone else getting this kind of speed? What kind of tranny and gearing do you have I got a at 545 and 4.33. I'm doin 55 on flats.

I have the same ratio in my bus. My speed-o said it topped out at 57 when I first got it... but I seemed to keep up with traffic as if I was going faster... I had Jason (lapeer20m) turn up my governor for me. Now it says I top out at about 65-68 and at this speed I was passing traffic... so I hooked up my GPS, turns out my speed-o is about 10% slow so 50=55, 70=77 ect...

I don't have a tach on my bus so I don't know my RPM's at any given speed, but I used an online calculator to make sure I stayed under 3,000 - at wide open throttle.
My Old Bus :(
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Old 10-14-2007, 11:38 AM   #12
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Re: Cummins 5.9L Thread

i used to drive a 1998 TC1000 with a 175HP 5.9 Cummins. It would run 65 all day, and topped out over 70. 65 was about 2300RPM, with 265/70R19.5 tires & 3.54 gears. Trans was a lockup 4-speed Allison.
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Old 10-14-2007, 02:05 PM   #13
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Re: Cummins 5.9L Thread

I think my 5.9 is the 190hp model... I'm not sure, but I'm almost positive that it's not 250hp... it's not that fast.
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Old 10-14-2007, 06:06 PM   #14
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Re: Cummins 5.9L Thread

What are people finding their 6CT's spec'd at? It seems to me that if you were shooting for 250 horsepower in a bus you would probably go with the 8.3 just for longevity. Then again, there are those guys making 400-500 horsepower out of the old 12 valve Dodge trucks and they seem to have reliability from the flywheel forward. Behind that....perhaps not so much.
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Old 11-06-2007, 03:18 PM   #15
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Re: Cummins 5.9L Thread

Hey. I'm looking to buy a new bus, diesel this time and have been comparing different engines etc. I don't know much about them but Im starting to get feel for people's preferences on here. Just curious about people's thoughts on one particular bus. It's a 1992 Ford Cab Blue Bird body with a B6000 (don't even know what that means) 5.9 Cummins and an auto allison trans. The body is in mint condition and it only has 125,000 km on it. Everything runs well. Seems like a good combo to me.

My questions are 1. the guy is asking $5,300 (Canadian, not that it matters much with the dollar now) for it good deal? or can I find something comparable at an auction cheaper?
2. The bus is about 25 ft long and was wondering about the power of the engine and whether or not the quote of 10- 14 mpg that I was given is accurate. I suppose there's alot of variables there.
3. My intention is to run off of WVO and while Im familiar with the set up I haven't heard whether certain engines lend themselves better to conversion than others.
Any opinions would be appreciated since he lives 8 hrs into the middle of nowehere and I have to take time off work and drop a few hundred for gas just to see it
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Old 11-06-2007, 09:51 PM   #16
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Re: Cummins 5.9L Thread

My 8.3 is 250 hp.
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