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Excellent explanation!

Thanks.

Jeff

Like a bad penny...

Can anyone explain to me why one should port an exhaust port lower so that the piston is exposed at BDC?

Jeff

PS: Damn, it's cold out there! Single digits again today.

Here's a pretty good explanation of flywheel energy.

Scene: Irwindale Raceway in the early 70s. They had this (dopey) class for cars without front end sheet metal. Seriously; the motor and...

Zero to 30 psi, right?

Jeff

if you're having trouble getting stable readings, wrap aluminum foil about any wires near the one you're using for the signal. That helps a lot.

Jeff

Where is the "small but vented" exhaust in that photo?

Curious.

Jeff