Idle Transfer Slots??
10-23-2001, 11:01 AM
#1
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Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
Idle Transfer Slots??
On my Speed Demon 750DP should I have the idle transfer slots exposed on all four barrels of the carb or just the primaries? It is mainly street/strip with a 4 speed.I have just the primaries exposed right now with the secondaries completely closed.Seems to be good but I was wondering if it would run better with all of them exposed.I have heard (read) to expose all four of them only on full race cars,not on street,true or false?Thankx
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1982 Z28:355,4 Speed,Lots of bolt ons
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1982 Z28:355,4 Speed,Lots of bolt ons
10-23-2001, 04:41 PM
#2
Supreme Member
By rights they all should just expose the edge of the idle transfer slot. say .02 to .035". if you have a small camshaft,
close to stock (high manifold vacuum).
and the motor idles too fast when set like this you may have to close the secondary butterflies a little. These carbs were designed to work on your average hi perf setup with some what less vacuum signal
than a stock motor.
close to stock (high manifold vacuum).
and the motor idles too fast when set like this you may have to close the secondary butterflies a little. These carbs were designed to work on your average hi perf setup with some what less vacuum signal
than a stock motor.
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