Volvo RWD 140-160 Forum

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CO adjustment 140-160 1974

I tuned my '74 progressively leaner until I could barely make it ping when it was very hot in a heavy load condition, a few degrees at a time.

But first, everything else should be set in stone, electrical and ignition quality and timing, fuel pressure, and vacuum leaks.

Get a t-handle 3mm allen wrench. The screw head gets filled with grit, so get a firm purchase. You can't adjust while running, really, it closes the air/gas flow/flap when you push on the screw and stalls the engine.


--
MPergiel, Elmhurst, IL






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New CO adjustment [140-160][1974]
posted by  someone claiming to be geof  on Wed Jul 12 16:15 CST 2006 >


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