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Re: rochester quadrajet carburetor secondaries
[QUOTE=geezer#99;8662704]You don’t need to hold the vac door open and stroke the throttle.
Just check the lock out tang on the choke side.
If it’s engaged then no secondaries.
If it stays engaged when completely warmed up then a choke adjustment is needed.[/QUOTE From one geezer to another, I would still check both deals.....how many times have we missed a tenth or 2 on the drag strip, because the adjustment was off on the throttle cable? No argue...shorthorn 
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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