massive reconfiguration time again.

the spring adjust how fast the door comes open. But, there may be a way you can adjust how FAR it comes open as well. That's critical as well. When I was running TQ's years back, they had a tab that you could bend (it was slotted to bend) that controlled how far the door opened, and the spring controlled how quickly it opened.
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There's only one rod that goes over the top and that actually works the choke flap. I know this how it's conveniently ran right across the little door to take out the metering rods and the little teeny itty-bitty clip right over the door that needs to come off to do it...:BangHead:..