Forum Discussion
pnichols
Mar 15, 2018Explorer II
MEXICOWANDERER wrote:
Flathead prime movers. Old Onans.I have had the heads shaved .080" which really improved high altitude power.
Hmmm ... improves low altitude power, too.
At least it did on my good-old flat head MGA roadster .... until I wound up floating the valves from too much exceeding of the RPM redline. :B
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