Had an incredible day at the mooneyes Christmas party hangin out with great car people and got to make passes at the world famous Pomona drag strip. Best run of the day is on the slip. I’m 9875 right lane. I walked it out of the hole gingerly all the way through first, you know because 8-1/4...
I couldn’t see a parting line in your first post that’s why I asked the year. 70 was definitely a forged crank and cast pistons. Those look to be original (style) pistons. If they’re over sized it’ll be stamped on the top, you’ll have to clean the carbon off of em to see it.
All pistons are aluminum. All cranks are steel. It’s the process with which they are made that defines them.
Forged aluminum
Cast aluminum
Hypereutectic aluminum
Billet aluminum
Cast steel
Forged steel
Billet steel
Had a little time mid day and ran home to work on the truck. I wired up the nos controller to function as a WOT switch and tested it. Works great. Loaded up two blue bottles, bottle heater and put together a tool box with carb parts and n20 jets. I think I’m about ready. Saftey gear, tools...