Allison at545 6.9 diesel
#1
#2
Join Date: Nov 2003
Location: Campbell River, B.C.
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Never looked up the ratios before. Looks like a nice tranny. I like the tall reverse ratio.
Source: http://www.utxchange.com/ALLISON%20T...T%20545(R).htm
What is the vehicle? a bus I assume.
I would say 3.00:1 could be a good ratio to preserve highway fuel economy, but it really depends on the total weight of the vehicle. You might have to go with lower gears.
First 3.45:1
Second 2.25:1
Third 1.41:1
Fourth 1.00:1
Reverse -5.03:1
RATIO COVERAGE
Forward 3.45
*Gear ratio does not include torque converter multiplication
Second 2.25:1
Third 1.41:1
Fourth 1.00:1
Reverse -5.03:1
RATIO COVERAGE
Forward 3.45
*Gear ratio does not include torque converter multiplication
What is the vehicle? a bus I assume.
I would say 3.00:1 could be a good ratio to preserve highway fuel economy, but it really depends on the total weight of the vehicle. You might have to go with lower gears.
#5
Was it out of a diesel? If so, you will also need the sensor that mounts in the IP housing. The wiring is pretty easy. The gauge has 4 connections, 2 are grounds, as is one of the leads from the sensor, the Sens connection will go to the other lead from the sensor. The last connection is 12v+ and goes to a power source.
#7
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#10
#11
Join Date: Nov 2003
Location: Campbell River, B.C.
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You have a couple of options for posting pictures,
1: set up your own gallery, and upload the pictures there. Once in the gallery, you can post them in the thread by copying and pasting the "forum posting code". It will be shown as a link in your gallery below each picture.
2: if you have a file hosting account at a place like photobucket, you can post them from there.
1: set up your own gallery, and upload the pictures there. Once in the gallery, you can post them in the thread by copying and pasting the "forum posting code". It will be shown as a link in your gallery below each picture.
2: if you have a file hosting account at a place like photobucket, you can post them from there.
#12
Hood exhaust is highly illegal for a street vehicle in any state, keep that in mind if you ever plan on driving the beast on public roads.