Some heat from a Propane torch will help the KROIL do its magic, also. The counterweight is supposed to roll the flap to the "open" position. I've found some heat riser springs on Ebay for a Jeep F-head engine that are almost identical to stovebolt springs, at less than half the price the resto-ripoff places charge.

https://www.ebay.com/itm/Jeep-Willys-GPW-MB-CJ2A-CJ3A-M38-L134-Heat-Riser-Spring-G503-G740/182196172425?hash=item2a6bbcf689:g:e6cAAOSweWVXfBiW

Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!