?

i read there that leaded race gas is burning at a different rate largely die to the additional things added to the fuel to produce more power.


pump gas.... premium does NOT burn faster or slower than regular.
 
it even says so right here.....


"But most of all, we discovered that our presumption that higher-octane fuels burn slower than lower-octane fuels (and therefore require more ignition lead) is largely incorrect. There are too many other fuel-formulation issues at work to assign a general rule about octane."
 
Your right!!

Sorry, i was just always told that. If i had rep power i would have given you a positive rep for that one:-D
 
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normal operating noise?

mine has a slight knock as well and it always has since new. as for the ticking noises it makes, who knows, but if its running fine and you still have good compression blame it on the noise from the reeds opening or closing or something.

there are a few threads on here about the knocking noise. look around at those and see what others have to say about it. try a colder plug, it may help.