Resources
GMC Maintenance and Information Notes
2021-02-24
An excellent resource of information from the early '90's
An excellent article about the care and using of LiFePO4 batteries for the house
3 different Max 3DS files
Starting an engine that has been sitting for an extended period.
Gary Bovee's site including info on how to buy a GMC
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Coachman "It's So Simple" UNI-LOUNGE Manual
2020-10-15
This guide came tied to the Dinette in a 76 Birchaven when purchased new.
How to center your steering box so your coach will drive striaght down the road
This is a great 3 part article about the history of the GMC Motorhome.
EFI - Swartzendruber presentation.
2020-07-19
Intalling an 80's GM Throttle Body EFI system on a GMC Motorhome
Practical Guide for installation of an 80's GM throttle body EFI system with the EBL add-on.
Great explanation on how the valving works to control the clutches and gears
Transmission Ratio RPM Calculator
2020-05-17
This will show how different gear ratios will change RPM.
What every GMCer needs to know
2020-03-28
A list of useful GMC MH information from soup to nuts!
Rear hub seal & retaining nut proceedures
2020-03-28
Proper installation of real hub seal and retaining nut pre-load. Credit Ken Henderson
Read this before switching to a one-wire alternator
Brake improvements, Disk, drum and parking.
Great Gas Tank Mystery
2019-11-26
Great information as to why the fuel system does what it does.
Delco Alternator service manual
2019-10-14
Detailed service and troublshooting manual for alternators used in the GMC