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Old 09-29-2008, 06:50 PM   #1
Mini-Skoolie
 
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Year: 1985
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Engine: Detroit 8.2T Turbo Diesel
Detroit 8.2T Turbo Diesel Blue Bird School Bus

Hello Everyone,

New potentional owner of the above. What would you recommend for performance upgrades and possibly a transfer to vegetable oil? I am going to convert it into a ski bus, so any ideas!? Thank you for oyur time and any input that you might have.

kl
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Old 09-29-2008, 10:17 PM   #2
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

The 8.2 isnt a performance engine by any means. It was made for good fuel economy, hence the name "Fuel Pincher". It'll run on bio just fine, but keep up on routine maintenance, and you'll be fine. Try to add power, and it'll pop a head gasket or crack a head. Even stock, they are prone to this.
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Old 09-29-2008, 10:34 PM   #3
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

how do you recommend i run it off bio diesel then and also would a new intake/filter be too much? along with a new turbo? any idea on the mileage? thank you for your time

kl
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Old 09-29-2008, 10:47 PM   #4
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

I never really looked in to bio, so I cant really say what to do to convert. A good flowing intake setup wont hurt it a bit. A new turbo likely wont do much of anything except lighten your wallet. The 8.2 we have at work gets around 12-13mpg last I remember, but it's a utility truck that's topped out at 65mph.
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Old 09-29-2008, 10:49 PM   #5
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

Bio and WVO are two totally different fuels. I wouldn't run either if you're going to be using this thing as a ski bus. The risks are just too great. Both fuels have a much higher gelling point than dino diesel and could potentially leave you stranded on the side of the highway. During the Spring, Summer, and Fall this is but a minor convenience. During the winter it could be deadly. AFAIK none of the children ferrying buses in this neck of the woods run more than the mandated amount of bio.
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Old 09-30-2008, 12:31 AM   #6
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

AFALK? sorry i do not the difference between the two fuels. i do however understand how they could gel up in the winter, even with the mandated amount? im not looking to get speed out of this thing but at least to be fine on the freeway and going to the mountains and back and better mph if an intake helps. do you have any that you would recommend? also is it possible without sacfricing performance, adding "stacks" for an exhaust system?

thank you very much for your time

kl
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Old 09-30-2008, 01:27 AM   #7
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

I wouldn't take a chance on alternate fuels in the winter months. Your bigest bang for the buck is going to be a low restriction exhaust system, the air has to get out if you want more to get in, then look at a high flow air filter assembly, after that pump adjustments for fuel and timing.
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Old 09-30-2008, 03:04 AM   #8
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

So wouldn't stacks be the way to go then as they offer a lot of air to escape? and i would put them on either side, right in front of where the doors are. also thank you on the pump information. but what do you mean by a high flow filtration system? is that expensive or is it just a filter?

thank you very much for your time

kl
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Old 09-30-2008, 08:12 AM   #9
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

AFAIK=as far as I know

WVO/SVO=waste veggie oil or straight veggie oil. This fuel in unrefined. The nasties are filtered out and the water is usually allowed to separate, but that's it. Most, but not all, systems running this fuel will require two tanks, one for diesel and the other for the veggie oil. The vehicle is started on diesel and allowed to warm up while also warming up the veggie oil via coolant heat exchangers. Heating up the oil thins it out to the point that it is injectable. A series of valves are switched and the engine is then allowed to run on the heated veggie oil until shut down when the valves are then switched back and the engine allowed to run long enough to clear the lines of veggie oil.

Biodiesel=waste veggie oil that has been refined, usually through titration with methanol and lye. The end result is a fuel that is usable as is without the need for a second tank or heating. Various states have different mandates for differing amounts of bio to be added to dino diesel resulting in B5 (5% bio) on up to B100 (100% bio). Engine manufacturers certify their engines for a certain percentage.

In either case the risk of gelling is greater for both as I stated before. I know my engine is particularly cold blooded. If I used my veggie heat exchanger during the winter there might not be ANY heat left over for the cabin. As it is it won't make enough heat at idle to keep the thing warm during the winter.
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Old 10-01-2008, 03:37 PM   #10
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Re: Detroit 8.2T Turbo Diesel Blue Bird School Bus

Hey, my engine wont start either. i guess he charges the batteries and it turned over but then nothing. i am taking a kenworth mechanic with me to look at it and hope it is all well. any advice. stacks?

thank you very much for your time


kl
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