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I once saw a guy at trade school use the shop car dyno to run his freshly built chev 350 cid. His father owned a speed shop in California and supplied all the HiPo parts. It was turning 10,000 rpm just before it blew apart. There was shrapnel all over the place ! The blower went straight up and...

We need a video showing a sustained RPM and speed. Anyone can run there engine up and say "they did it" . But the trick is, can you keep it there !

I would just like to see a multifuel engine run at 3200 RPM's ! Until I see a verified tach running at 3200 RPM's I'm calling BS on this claim. I know Mr Varns engine runs higher then that, but his engine was machined from a solid steel billet ! From what he has told me, you can run these...

Was the tractor version also a multifuel ? If so then you could put in those 18:1 pistons and use a modern turbo and pump up the boost to get some real performance out of this engine ! That is until you blow up the bottom end or heads or both !!!

Actually patracy they did make a 20:1 compression multifuel engine. So having the pistons shaved would not effect the engines ability to burn all that oil anyway.

Actually the multifuel ability comes from the head design and piston cup. You can see in the bottom picture the unique design of the intake runner. It causes the air to swirl helping mix the fuel with air for better combustion.

Your already getting 13mph and you want to get more ? I wished I got 13mph.