TRW piston id

These pics are from 2001 when I drug it out of the weeds and muck.

Story behind this truck.

My grandfather ordered it new in 1978. Originally was supposed to have a 400 4 speed, however, it was late in the year and they called him about 3 weeks prior to delivery and said hey, we’re out of 400s, would you take a 360 instead if we refund you some money and knock some more off. He accepted.

Anyway, this would be the farm truck until 1988 when it overheated and cracked the passenger side head. 81,000 miles on it. Anyway, my uncle and my grandfather tore it down in May of 1988. I was just over a year old and walking. Somehow, I managed to ingest mineral spirits used to clean the thing. Spent 2 weeks in ICU.
My grandfather would take delivery the following fall on a ram 350 Cummins and this thing got parked. Until I found an interest in it in 2001 on spring break. We tore down the carb, rebuilt it and the dizzy and she ran just fine. I played with it for a few years here and there but decided I wanted to do a full resto on it. But didn’t have the skills. So enter the dart, which was my practice canvas. Now however, it’s time for this thing while the dart is at the stripper next month and then off to paint.

@toolmanmike can you move this to the restoration sub forum please?

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I may be able to move it if you have the IP address where it is supposed to go.