Technical high idle speed

I have a 57 Chevy with a LT engine.The idle speed is 12-1300 rpm. I hope someone could tell me how to slow it down. Thanks for any help.

 

What is a LT engine?


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Really...is THAT all the info you can provide..?
No wonder you are having problems.

Mike

 

Back off that screw doohickey.....

 

Left Turn?

 

turn key off

 

Low Temp? Choke is stuck?

 

....then sell said key.

 

Words have meaning! It's "Thingamajig"

 

smartasses

 

Check your ignition timing, too much advance will do that.