DZ Stamped engine in a C10

[MR SHORTY]

Originally Posted by Lynn

Check the casting date. If it is pre March 13, 1969, I believe it will be the earliest known 010 block out there. I have never seen one dated prior to April, 1969. Not saying they don't exist. Just haven't seen one.

Should get the truck back from repair shop and try to see back there today - truck was just purchased last month - had sat a year and little maintenance done over the last decade or two. Changing all fluids, belts, hoses & tune-up parts. Had the town carburetor guru revive it this week:

Adjusted carb - set timing - rejetted - was way rich at idle - and way lean at RPM - both conditions fouling the plugs.

Valve train checked good.
Compression checked good:
1 - 175 .... 2 - 165
3 - 165 .... 4 - 170
5 - 180 .... 6 - 175
7 - 175 .... 8 - 175