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Head casting number-it was a lot of fun researching this.Turns out that this head was used on the high-performance early Corvettes with the 6-cylinder engines prior to the '55 introduction of the GM V8. Reportedly this is a highly sought-after head  for those rebuilders. Date code is Aug. 22, 1957.

Head casting number-it was a lot of fun researching this.Turns out that this head was used on the high-performance early Corvettes with the 6-cylinder engines prior to the '55 introduction of the GM V8. Reportedly this is a highly sought-after head for those rebuilders. Date code is Aug. 22, 1957.

Taken 2010 ~ I drove the old truck from 1996 to 2004, but then moved to another town ~ since, it's sat now for about 10 years. Now in my shop for a deeper renovation!

Taken 2010 ~ I drove the old truck from 1996 to 2004, but then moved to another town ~ since, it's sat now for about 10 years. Now in my shop for a deeper renovation!

Head off-cleaned up, re-lapping the valve seats the old-fashioned way, by hand with compound.

Head off-cleaned up, re-lapping the valve seats the old-fashioned way, by hand with compound.

Early 2014: I also rebuilt the 1bbl Rochester carburetor while doing the head job-the yellow nylon/plastic part there is almost impossible to find, and has to do with the choke unloader mechanism, as we used to call it, as I recall anyway.

Early 2014: I also rebuilt the 1bbl Rochester carburetor while doing the head job-the yellow nylon/plastic part there is almost impossible to find, and has to do with the choke unloader mechanism, as we used to call it, as I recall anyway.

March 2014 ~ in shop to get the old 6 running.  Will be selling the 1958 235 6cyl, orig '51 4-speed/torque tube, to be replaced with '69 GMC 4-bolt 350, TH700R4 trans, updated rear.

March 2014 ~ in shop to get the old 6 running. Will be selling the 1958 235 6cyl, orig '51 4-speed/torque tube, to be replaced with '69 GMC 4-bolt 350, TH700R4 trans, updated rear.

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