GMC Motorhome Engine

This list of downloadable files and/or links is compiled as a service to the GMC Community. Accuracy is not guaranteed. Independent verification is urged. In addition, links are tested periodically but items/sites may have moved or dissolved.

Thank you, to the contributors that took the time to scan and/or share these items. When available, contribution credits are listed. We welcome all historical and technical information related to the GMC Motorhome.

Please submit changes, alterations or additional items you would like to share to . Thank you!


>> Air Sensors Fuel Injection

Air Sensors – Technical & Maintenance (Link: bdub.net)


>> Belts

Fan Belts – Basic Information (Source: GMCMI Parts Interchange)


>> Cruise Control

Cruise Master All Series Manual (Source: Emery Stora)
Although it says 1973 Buick it is identical to the cruise control used on the GMC motorhome.


>> Fuel

Gaskets (Source: Emery Stora | downloaded from Mr. Gasket website)


 >> GM EFI System

How to Build a GM EFI System (Source: Customefis.com)

How to Tune a GM EFI System (Source: Customefis.com)

HEI Distributors (Source: Emery Stora)

HEI Testing (Source: Emery Stora)


 >> Quadrajet Carb

1973-1978 | GMC Carbs (Source: Emery Stora Collection)

LeadFoot’s Rochester Identity Guide (Source: Emery Stora | downloaded from internet)

1973 | Quadrajet Service Manual (Source: Emery Stora | downloaded from internet)

1978 | Quadrajet Service Manual (Source: Emery Stora | downloaded from internet)

Quadrajet Secondary Metering Rods (Source: Emery Stora | downloaded from internet)

Quadrajet Dual Jet Primary Metering Rods (Source: Emery Stora | downloaded from internet)

Quadrajet Carb Primary Metering Rods (Source: Emery Stora | downloaded from internet)


Spark Plugs (Source: dansmc.com)