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75 Coach - Cummins ISC upgrade suggestions
#3

@"Retro" has repowered 2 70's Newells with Cummins 8.3 mechanical motors and Allison 6 speed transmissions. He would be a great resource for you.

A 2003 Gillig transit bus will have an electronic motor and Dynex multiplex system, and you didn't specify what transmission. From my experience, you'll want to go with an Allison. If you choose to stay with the electronic motor and use a monitoring system, Silverleaf only works with Allison. My donor bus had a ZF, fine transmission but very limited Internet information, and the wiring diagrams I've found are in German. My donor transit bus was from Denver and they make runs to the airport on the interstate, it was easily able to do the 80mph speed limit on I84 in Idaho.

Do you have the ability to do the work yourself? If you're not able to do most of the work yourself, you're looking at a very expensive project.

Jon & Chris Everton
1986 40' Dog House #86
450 hp ISM 5 spd ZF Ecomat 2
2004 Range Rover L322 Toad
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Messages In This Thread
75 Coach - Cummins ISC upgrade suggestions - by superbirds - 10-23-2020, 02:35 PM
RE: 75 Coach - Cummins ISC upgrade suggestions - by Richard - 10-23-2020, 05:04 PM
RE: 75 Coach - Cummins ISC upgrade suggestions - by MrE - 10-24-2020, 11:36 AM
RE: 75 Coach - Cummins ISC upgrade suggestions - by superbirds - 10-24-2020, 04:39 PM
RE: 75 Coach - Cummins ISC upgrade suggestions - by superbirds - 10-24-2020, 05:37 PM
RE: 75 Coach - Cummins ISC upgrade suggestions - by MrE - 10-24-2020, 09:27 PM
RE: 75 Coach - Cummins ISC upgrade suggestions - by superbirds - 10-25-2020, 08:03 AM
RE: 75 Coach - Cummins ISC upgrade suggestions - by superbirds - 10-27-2020, 05:54 AM
RE: 75 Coach - Cummins ISC upgrade suggestions - by MrE - 10-27-2020, 10:24 AM

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