throttle shaft play...how much is too much
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Junior Member
Joined: Jul 2006
Posts: 50
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From: DE
Car: 84 z28
Engine: 305 vin H
Transmission: auto
throttle shaft play...how much is too much
I have a quadrajet with only about 35,000 miles on it. How do you determine if throttle shaft needs to be bushed. How many miles can you usually get before bushings are necessary? thanks.
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Joined: Jan 2000
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: throttle shaft play...how much is too much
The usual sign is that the carb won't always return to a fully closed position without help while the engine is running. 35k shouldn't be anything to worry about.
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Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: throttle shaft play...how much is too much
That's nothing as far as mileage goes.
Another test is to see if it's leaking. Put an unlit bottle of propane near it, and see if the idle speed changes. As long as it's not leaking, I wouldn't lose sleep over it.
Another test is to see if it's leaking. Put an unlit bottle of propane near it, and see if the idle speed changes. As long as it's not leaking, I wouldn't lose sleep over it.
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