I thought this was cool,, Its got a small 4-71 blower and and 2 inglese carb.
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More photos here... https://photos.buckeye-express.com/albums.cfm/4518
That's pretty cool. Be a good engine for a boat.
Jim
What do the numbers mean? I figured a 4-71 would be smaller...
Nic
The blower designations came from the original GMC diesel engines they were used on..
.. the 4-71 was a blower that fed a 4 cylinders engine of 71 cubes each..
the 6-71 was used on a 6 cylinder engine of 71 cubes each..
Later designations and case sizes were never used by GMC but continued to use their numbering system for reference.
It *is* smaller Nick, check out how short the case is.
Jim
Oh. So they just get shorter. Interesting.