ProCharged straight-8

I like this bloodcurling Noise too,
At my Work we have a Customer with a modern Mustang V8 and the same
Thing in it, and at the first Time i hear it I thought its broken. :D

I think when You have it in Your Car,that Nobody wants to start a Race with You..
 
I have a dyno scheduled next week. I found the #6 intake valve and #3 exhaust valve didn't have any lash at all when hot. After readjusting the lash while HOT, the engine now runs much smoother. I had the rocker shaft removed when I swapped stiffer springs, but I didn't touch the adjustments at all. Last time we were on a dyno, we found the perfect tune, then got back from lunch break and found the fuel distribution was off tune, but didn't find the culprit. We had wideband sensors on cylinders #5 and #6, and now I think it was probably the #6 intake valve that caused the problems with tuning when the engine got really hot.
 
This is my stock 1946 engine. I put the '49 engine project on hold. It seems the head is impossible to weld.
 
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