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1959 Carb adjust

Started by Bruce L. Wiley, January 14, 2005, 10:28:36 AM

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Bruce L. Wiley

January 14, 2005, 10:28:36 AM
My 56 apparently has a carter carb from a 59. It has the two outer adjustment screws and one big one in the middle. Whats the best way to adjust this?

Tim Lewis

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January 14, 2005, 05:58:59 PM
The large screw is an air bleed, used to adjust idle speed. You may have noticed there is no idle speed screw on the throttle linkage.

The 2 smaller screws fine tune the idle mixture.  
I dont have the factory manual with me at the moment, but  genericly:

Engine warm, idling,
Adjust the large screw to get desired idle speed, then turn each mixture screw in slowly until engine begins to slow or misfire. Turn mixture screw out 1/2 to 3/4 turn.
You may have to go through all the steps a couple of times to get the best setting.
Put it drive, make sure it is idling fast enough so it wont stall.
I dont adjust it in gear unless someone is holding the brake, just for safety.
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