It should NOT have the "sag" in it. That makes it intersect with the arm too low and requires it to be bent back further to get the choke flap open far enough for a cold start-up.
Bend the link so it's straight and no sag in it. This will make it contact at a higher point and open the flap further.
Also vacuum test the pull-off, compressing it and putting your finger over the end is good enough but I like to put a Mighty Vac on them.
None of this will have anything to do with the choke staying on too long. That's going to be the spring is shot or not getting heated up enough from the intake. Hopefully the exhaust crossover isn't blocked or restricted. I see folks using plates to block them off all the time, then wondering why the choke takes just about FOREVER to open.
Unless you live at or near the equator and it never drops much below 90 degrees outside there are no benefits waiting for you by blocking off the exhaust crossovers in the intake.......Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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