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I like knowing what the boiler is doing.....gauges are a must....
On un diluted meths she will run around 18-20 psi and stay there....Notice the blast of speed at the end when the boiler is about 24 PSI....this was on diluted meths or it would have stayed around 18-20...
Engine runs great with my new pistons i made from brass rod....custom fit and a tad longer than stock for better support in the bore....
The bird was overcome with fumes and needed a nap....
Jim
IndianaRog
Your mods definitely improve on factory performance Jim. As for the bird...I think he was just enjoying the fumes a bit too much!!!