Originally Posted by Boom Sounds
PS. Turns out that the 454/7.4 L TBI Motorhome throttle bodies were slightly different insomuch as vacuum port and linkages were slightly different layouts. I think some of the others can be made to work though.
Some throttle bodies have vacuum ports for each head plus the large one for the PCV hose. My throttle body only has one head vacuum port which I have plugged.
I think the throttle linkages are interchangeable but I could be wrong.
I hope your trip goes well
Air forums # 1674
1974 20' Argosy Motor Home
1974 31' Excella trailer (parting out, as of 4/1/2015 I have wheels, brake drums, windows & holding tanks left to sell)