270-Intake-Port-Match.mp4
Watch as John Edwards at Costa Mesa R&D Automotive Machine matches the intake ports on a 270 cid GMC to a performance intake manifold. (949) 631-6376 Don't forget to SUBSCRIBE.
GMC V12 powered car
What do you do with a V12 truck engine once you've rebuilt it? Build your own car to put it in of course!
GMC 702 V12 Engine
The legendary V12 GMC 702 engine on a stand running at the ATHS Hutchinson Kansas show in May 2008. Used in Crackerbox and other large GMC trucks, this engine has serious cubes!
GMC CCW First Start in Decades
9-28-10
Another rig I picked up on craigslist for a song and a dance.
The engine was rusted stuck when I got the truck (I pickled it with diesel fuel, reason for smoke).
After running for an hour the engine cleared up. #4 cylinder must have a stuck valve still, as its missing and you can hear a pushrod tapping the side cover.
This truck is a CCW not CCKW, it has no front drive differential.
That is a puddle of garden hose water under the truck, (the truck was missing a freeze plug.
270 gmc test stand run
George's spare 270 gmc running on a stand. Engine has good oil pressure, a nice idle, and good compression. Compression was only 5 lbs different from the high cylinder to the low cylinder. This engine hasn't been run in a few years. Carb still needs adjustment.
Normac Special / Wayne-Chevrolet 3870cc inline 6cyl pt 2
"Start up" of a New Zealand Historic 1950's racing car. Built in the 1950's with then curent hot rod parts featuring a crossflow Wayne head and Hilborne Fuel Injection. Wayne was a company that made 12-port (cross flow) heads for Chevy & GMC inline six cylinder engines years ago. I believe the heads were intended for all-out racing purposes only. Most engines equipped with the Wayne head also had Hilborn fuel injection. The engines were popular at Bonneville and on the oval tracks.
http://www.sergent.com.au/motor/1955.html
