Stelite Valves and Propane

[Robert Harris]

Propane burns at about the same temp as gasoline.  See
on line exhaustive gasoline faq available at many sites.  It
also has about the same energy per pound, just less pounds
per gallon.  Also, depending on who you believe, octane of
112 or higher.  Costs less per gallon, by it for my RV at
a dollar a gallon including tax.  What's the price of premium
plus 104 octane boost?   Just a thought.

Why stelite on conversions.  No lubricating lead was a 
minor concern.  Propane conversions typically are in heavy
duty applications running at near full power for extended 
periods of time, thus are at much higher than normal temps

Ford on its FT series gasoline truck engines (50's thru 70's)
had both intake and exhaust stelite inserts for the load temp
wear problem.

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Robert Harris <bob at bobthecomputerguy.com>


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