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Old 08-29-2019, 04:02 PM   #21
Mini-Skoolie
 
Join Date: Aug 2019
Posts: 26
From what I have read isn't the 2 speed a 1/3 gear reduction? So a 4.10 would be a 5.46. I'm all about a 2 speed if I can get one in the right ratio either way. Screenshot_20190829-165953_Adobe%20Acrobat.jpg
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Old 08-29-2019, 05:04 PM   #22
Skoolie
 
Join Date: Jan 2016
Location: Foot of the siskiyou mountains Oregon.
Posts: 131
Year: 1989
Coachwork: Thomas / international
Chassis: International
Engine: Dt 360/ spicer 5 speed
Rated Cap: 42
Somewhere along the way in my research I found that my rear end wouldn't support a two speed third member. I was thinking about swapping the whole rear end but realized that I have air ride in the rear and am not sure if leaf spring rear ends bolt up. Apparently I have some more research to do. Current plan is to low-ball someone out of a dumptruck with a 466 and tranny with more gears. I see them pretty reasonably priced from time to time and am willing to bet the price would be comparable to a conversion once said and done.
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Old 08-30-2019, 03:44 PM   #23
Mini-Skoolie
 
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I think dump trucks are going to be high numerical ratios most likely but I could be wrong.
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Old 09-02-2019, 02:05 AM   #24
Mini-Skoolie
 
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How high is the floor in a s1800 bus? Is it strong enough for a hauler floor or would in need considerable reinforcement/replacement to park a car on?
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Old 09-03-2019, 08:32 AM   #25
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Location: West Ohio
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Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
If you keep the sides, you might be okay. Eliminate them and you'll need to redo/reinforce it. My thought is the sides of the bus will tie all the floor joists together, take that away and I don't think they'll hold.
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Old 09-05-2019, 01:11 AM   #26
Mini-Skoolie
 
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I didnt get to look at it this weekend, so I'm not even sure how they're really built. What is the floor structure like? How about the body? Is it rectangle tube with a skin?
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Old 09-05-2019, 12:50 PM   #27
Bus Crazy
 
Join Date: May 2014
Location: West Ohio
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Year: 1984
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Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
Floor is typically a U channel placed on top of the frame rail with steel sheet flooring attached on top of that. The side panels are then riveted to the floor, attaching the outside edge of the floor to the side.

The u channels are placed every so many inches. So without the side panel tying the floor together, I think parking a vehicle on one of the channels would cause the floor to sink right there. Especially being so far out from the frame rail.
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Old 09-05-2019, 01:36 PM   #28
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Location: Dawsonville, Ga.
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Year: 1999
Coachwork: Genesis
Chassis: International
Engine: DT466/3060
Rated Cap: 77
Quote:
Originally Posted by Booyah45828 View Post
Floor is typically a U channel placed on top of the frame rail with steel sheet flooring attached on top of that. The side panels are then riveted to the floor, attaching the outside edge of the floor to the side.

The u channels are placed every so many inches. So without the side panel tying the floor together, I think parking a vehicle on one of the channels would cause the floor to sink right there. Especially being so far out from the frame rail.
I believe the floor panels are a continuous "C" piece welded to the next one every few feet. The U channel you mention is part of the sheet flooring.
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Old 09-07-2019, 11:57 PM   #29
Mini-Skoolie
 
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Quote:
Originally Posted by o1marc View Post
I believe the floor panels are a continuous "C" piece welded to the next one every few feet. The U channel you mention is part of the sheet flooring.
So you mean like a big c on its open face curling down and under the edge ? Having a hard time picturing it. On an awesome note I'm pretty sure my van sold and it looks very probable I'm getting the bus. How do I know what gear carriers will fit my rear housing? I haven't seen it to get the tag numbers yet. I figure its is one of only a couple possibilities that's in it. I found a 4.33 Spicer 21060s I'm thinking may fit. I just don't know enough about the medium and heavy duty truck stuff yet. Anyone know what the tag numbers that denote a two speed are? Half the sellers don't know what they have. Screenshot_20190908-005815_Facebook.jpg
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Old 09-08-2019, 03:10 PM   #30
Mini-Skoolie
 
Join Date: Aug 2019
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After a little poking around I'm. Fairly confident the rear is a Eaton Spicer j190s. I found a site with a bunch of used pumpkins for 450-650$ with trade in. I spotted a car hauler with low pro 22.5 on it at a rest area today hauling a car home from West Virginia.
255/70/22.5 is 37" and a
11r22.5 is 43.1" diameter.
Here's a calculation on rpm at 65

4.44 with 43.1 tire. 2250 rpm at 65
3.73 with 37 tire 2202 rpm at 65

Sounds about right to me, the question is what is 4th gear ratio for Hill climb rpm ? Anyone know where to find that info or even what the trans likely is?
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