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Finally it came together. I had to re surface the exhaust seat. Then run 2 psi on propane regulator before the valve. The Original carb and orifice is almost perfect for propane operation only modification i had to close two of the three ports. One port closed it runs lean and two ports close...

I'm building a perkins hit miss from castings. I have tried to run in on white fuel and propane. I get the exact same results. Runs pretty good sometimes for 10 second, then start hitting every 5 - 8 cycles going too slow to trip the governor. THen it konks out. I thinking maybe valve sealing...

When building a crankshaft why is it recommended to silver solder and not weld it together with a mig? Is Penetration is better soldering? Or does the heat distort or stress the metal when welding. Thanks

I wanted to make an engine since i was a little kid, ever since my neighbor built one. Finally got the chance to buy a lathe and mill this January. I went all in and built an IC for my first engine. I'm so happy it runs. Still need to finish the governor and it's a little rough. But i'm so...