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Old 04-19-2018, 07:58 AM   #1
Mini-Skoolie
 
Join Date: Sep 2017
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Year: 1989
Coachwork: Chevy
Chassis: C60
Engine: 8.2 diesel "Fuel Pincher"
Rated Cap: GVWR 27000
Angry Stolen batteries. Any idea what to substitute?

Stolen batteries. Any idea what to substitute?

Itís a 1989 Chevy C 60 military bus. I know it had dual batteries. The people who stole the batteries cut the cable up near the starter. I think he uses a 00awg Cable. Any help would be appreciated!

It uses it has a 8.2 L fuel pincher diesel.

Lewis
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Old 04-19-2018, 08:20 AM   #2
Mini-Skoolie
 
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Damn. I dealt with this same fun when I picked up my govdeals bus from a School Board lot. Some jerks stole all the govdeals busses battery's and just left the cables to dangle. I hope to put a key lock on my battery door to prevent this in the future.
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Old 04-19-2018, 09:59 AM   #3
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It all sort of depends upon where the battery(s) were located.

If under the hood, most likely a single group 31 battery.

If in a battery compartment located in the skirt of the body along the frame rail it could have had one large 8D, or two/three Group 31 batteries, or two 8D batteries. I have seen some skirt mounted battery boxes that were just that, boxes. In that case changing the size of the battery or number of batteries is not a big deal. Others I have seen have had racks that will only fit a certain size battery. Regardless, choose whichever will fit the best.

For your purposes you don't need much more battery than one high capacity Group 31 or one 8D battery. Most buses have multiple batteries for the reserve capacity. When you have six or more heaters, defrosters, and blowers in addition to crossover lights, interior lights, running lights, headlights, and roof strobe lights it takes a lot of juice to keep them all going. Even with 150+ amp alternators it is hard to generate enough juice at idle to not use more than what is being generated. Since you will be doing very little idling with much more than a few lights you won't need the reserve capacity for that and one battery should be more than enough to get your engine started.

Whichever battery(s) your bus had, make sure you use large enough battery cables to reduce the resistance from the battery(s) to the starter. That starter is going to draw a LOT of amps whenever it is turning.

Also, don't purchase battery(s) strictly on price. When you shop around make sure you are comparing apples to apples. I have seen some Group 31 batteries that have had more cold cranking amps and reserve capacity than some 8D batteries.
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Old 04-19-2018, 02:38 PM   #4
Mini-Skoolie
 
Join Date: Sep 2017
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Year: 1989
Coachwork: Chevy
Chassis: C60
Engine: 8.2 diesel "Fuel Pincher"
Rated Cap: GVWR 27000
thanks! That might save me a lot of cash. It had two batteries in there before. That being said it had a large heater in the back and a lot of other items. They were all taken out as we’ve converted this bus. I do know that the wire to the starter is 4/0.

I asked the guy at the battery place whether a single battery at 1000 cca. He seem to think that it might not. I do have four deep cycle batteries inside bus to handle all interior electric.

Thanks again for your information I might just try 1000 amp battery and see if it cranks over OK.
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Old 04-19-2018, 04:09 PM   #5
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1000 CCA sounds a bit small in my book.

1400 CCA sounds a lot better to me.
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Old 04-19-2018, 04:34 PM   #6
Mini-Skoolie
 
Join Date: Sep 2017
Posts: 49
Year: 1989
Coachwork: Chevy
Chassis: C60
Engine: 8.2 diesel "Fuel Pincher"
Rated Cap: GVWR 27000
OK, i’ll have to check the dimensions to see if the battery that size would fit. Seems like I might also go with using two batteries lined up in parallel.

Thanks for the feedback.
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Old 04-19-2018, 05:08 PM   #7
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Year: 2003
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Try talking to your local Chevy dealer. Give them your VIN and they can look up everything.
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Old 04-19-2018, 05:44 PM   #8
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My 86 with the 8.2 has two 8d's at 1185 cranking amps each and I have never had any problems with starting in the cold but we rarely see the extreme cold down here
Good luck
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Old 04-19-2018, 09:18 PM   #9
Mini-Skoolie
 
Join Date: Sep 2017
Posts: 49
Year: 1989
Coachwork: Chevy
Chassis: C60
Engine: 8.2 diesel "Fuel Pincher"
Rated Cap: GVWR 27000
Thanks! I'm going to do some measuring. I'm moving to Sw Kansas. Ok think two batteries is going to do the trick.
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Old 04-20-2018, 08:12 AM   #10
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i've got one "heavy duty truck and tractor" battery at 1000 cca, starts my engine just fine. I do plan on buying a second once i hit the road, as i didnt see it necessary to get the second while its stationary and just in conversion mode. It came with two when I bought it, so I plan on doing the same.

oh yeah. its also started it fine in down to -10 degree weather. didnt even try to start the bus in colder than that. so maybe it would too. this was also after a stretch of what was -40 wind chill for a week.


edit: didnt see you had an 8.2 that might change it a bit the. lol.
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