To provide hood clearance Olds Toronados from 1966 to 1970 used an intake manifold with the carburetor mounted very low between the heads (GMC motorhomes ... a standard 455 manifold measures ...

It’s pretty hard to find an old motorhome ... GMC motorhome in existence. It’s only had two owners in all of its 38 years of service and has covered just 61,308 sun-soaked miles. Powering it ...

The original 455-cu-in (7.5-liter) V8 engine was replaced with a 403-cu-in (6.6-liter) V8 powerplant that was only introduced to the GMC Motorhome line for the 1977-78 model years. The front cabin ...

But disappointing sales, and the discontinuation of the 455 Olds ... 403 (6.6-liter) engine, led GM to discontinue the program only five years later. Today though, the GMC MotorHome still looks ...

The GMC MotorHome was powered by an Oldsmobile 455 cubic-inch V8, taken directly from the front-wheel-drive Toronado. As a result, all of the MotorHome’s mechanical components rested over the ...

All the while, this 1973 GMC 260 motorhome was rolling ... 12,000-lb leviathan of a machine powered by a gargantuan 455-cubic inch big block Oldsmobile engine. You can tell this was built right ...

Russ and Lori will share on three of these awesome motorhome models ... 6 cylinder engine in 1969. In 1971, they put a huge Oldsmobile front wheel drive Toronado 455 and GM 3 speed transmission.

Oh yeah, it probably won’t have an Oldsmobile 455 under the engine cover either. Or front-wheel drive. For those unfamiliar with the GMC Motorhome, an Oldsmobile mill powers the front wheels ...

The output is measured off of the engine's crankshaft or ... Oldsmobile 98, and even GMC Motorhomes from 1973 to 1976. Next ...

The GMC MotorHome is a legend, and it deserves its reputation as an industry-shocking, well-conceived RV for folks serious about their leisure time. And probably their leisure suits, too, as the ...