About a week ago i had a little 2 days travel: ~510km from Rostov-on-Don, to the Black Sea, place near city Novorossiysk. And ~510km back home.
My home-made SH done it well!
Everywhere, i could, i've holded throttle open at 100%, sometimes it was 20-40 minutes at 100% open throttle. And engine seems to be OK after this! )) Air temperature was 10-15C, so, engine heated less then 50% of scale.
Hornestly, i had one little trouble: valve clearings after 1000km of such driving gone +0.05mm both, so, engine's work became unstable at idle revs, even upto engine's stop. And shots from muffler too at low revs.
