Re: 460 carb question

Posted by rebuilder on July 22, 2004 at 18:36:29 from (66.228.97.156):

In Reply to: 460 carb question posted by Kelly C on July 22, 2004 at 12:45:36:

Kelly C:

I can't imagine enough air being sucked in to cause a problem other than dirt getting into the engine, and a little play should not be worried over. If the play is excessive, you only need to replace the one bushing(most times) on the control side of the carb. I have yet to find an easy way to remove these bushings. I have two methods.
1) turn a bolt into the brass of the bushing and then tap out the bolt frome the opposite side of the throttle body(after removing the freeze plug). Hopefully the bushing will come with the bolt.
2) if the bolt does not pull the bushing then bore it out as thinly as possible, until you can work it out. Good luck!
If your bushing has wear then you most likely have some corresponding wear on throttle shaft. Use your judgement on whether to replace. Also use a new dust seal I.H.#379598R1 coated with vaseline to provide a good dust seal for the throttle shaft. These replace the old felts.
One note, on new bushing I always have to drill them out to match the throttle shaft.

Also I have found over the years that for some reason 460 & 560 carburetor bowls crack along the side of the bowl. I find this in almost 60% of the 460/560 carbs I take apart so make sure you check yours. I have yet to find a reason for this. There is never any signs of hammering. My hypothesis is the cracks form from engine vibration. Perhaps you have another theory.

Follow Ups:

• Re: Re: 460 carb question ChadS 07:13:46 07/23/04 (0)

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