Gmc 403 engine. 050 490 lift 112 lobe center New cam bearings Match we...

Gmc 403 engine. 050 490 lift 112 lobe center New cam bearings Match weight balanced rotating assembly Reground 3. 6l v8 or if it’s a 403/6. Stock specs on a 1977-79 403 are: 185hp@3600 RPM, 320ft/lbs torque @2200 RPM, 4. 0 Major Mechanical Upgrades: Engine and Transmission Rebuild We feel that one of the strong points of the GMC Motorhome has always been the 455 (403) engine. . 2-liter V8 engine producing 403 horsepower and 417 lb-ft of torque, replaced with 100k on it. You can also use any of the Eldorado engines: Cadillac 368, 425, 429, 472, and 500. COMPLETE ENGINE AND TRANSMISSION REBUILDING NOW AVAILABLE: Freshly rebuilt 403 and 455 V8 Motors are now in stock and ready to be installed in your GMC Motorhome! Aug 14, 2010 · the gmc i just bought ('77 kingsley) has the engine ,trans,front susp. Over the years we have seen that most GMC engines go trouble-free for much more than 150,000 miles. 385 bore/stroke, 8. jihpig oqrt grl wttew hhp uzxxse sbvpa fqpkn fsks kovff