Re: 1967 GMC - SWB, great patina
My ‘68 with a 5.3 has the rear steam tube locations plugged, and the standard truck front steam pipe. That pipe is tied into a nipple I threaded into the water pump. I wanted a 4-corner steam pipe for this 6.0, and looked at all options….finally settling on a standard issue LS1 pipe. I’ll do the same thing when I decide which water pump / accessory spacing I’ll go with - drill & tap for a barb to aid in air bubble venting.
Also picked up an inch-pound torque wrench for setting pinion bearing preload on the 12-bolt in the ‘68.
Any excuse to buy a tool….
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