I suggest a compression test, make sure all cylinders are about the same
Pat 63 spit
LARRY ELSWICK wrote:
> Still no luck with 1 and 2 cylinders
> running rich, plugs carbon coated,
> and cylinders 3 and 4 running with
> what appears to be a proper mixture.
> This after rechecking valve clearances
> and vacuum lines.
> I did discover the EGR vacuum outlet
> open on the ZS 150 carb; the previous
> owner had removed
> the air pump and all associated lines. I
> plugged this vacuum opening. Also the
> line running from the carb to the
> carbon canister is not connected.
> Should I reconnect this? The anti-runon
> valve is not hooked up to the electrical
> system either; the engine has not continued
> to run after the ignition is turned off. I hope
> some out there can help! Thanks!
> Larry
> 1976 Spit 1500
|