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Just put the 4:1 gears in my YJ 4.0/999/300 and witht he 38's and 4:56's this baby doesnt like to stop in the ugly spots. How do you lower the idle? Yes I have taken the throttle body off and turned the screw down until the AIC motor now sets the idle. I cleaned the throttle body and put a new gasket in. This did drop the idle a bit, but would love to get another 200 or so RPM out of it. Any suggestions????
 

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Originally posted by The New Rocklsut:
<STRONG>Just put the 4:1 gears in my YJ 4.0/999/300 and witht he 38's and 4:56's this baby doesnt like to stop in the ugly spots. How do you lower the idle? Yes I have taken the throttle body off and turned the screw down until the AIC motor now sets the idle. I cleaned the throttle body and put a new gasket in. This did drop the idle a bit, but would love to get another 200 or so RPM out of it. Any suggestions????</STRONG>
Turn on the air conditioning
 

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Originally posted by Chazzworth:
<STRONG>Get the can of carb cleaner out and start spraying.</STRONG>
An unlight propane torch works much better!
 
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