Re: Flat running
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Re: Flat running



I agree that the WOT wouldn't be the sole cause of this.
I put the timing light on the engine and the timing advanced as I 
revved it up. It appeared to be in spec with what the manual required.
The advance solenoid clicks when I open & close the idle microswitch 
but that doesn't necessarily mean it's working does it? 

Vacuum lines are routed in accordance with the diagram in the engine 
cover.

Initially, the car idled roughly and would hard start cold and I'd 
have to feather the gas to keep it running. It appears that the cause 
of this was incorrectly set CO screw. I started richen the mixture, 
and keep the idle sane by adjusting the throttle linkage (which was 
on an extreme end anyway by P.O.) and re-setting the timing. 

Now it starts and idles like a dream from stone cold. It has more 
power, but still not enough. I feel I have a little more play with 
the fuel mixture but when I reach the point of diminishing returns 
I'll have to put a pressure gauge on the system and check control 
pressure.

Rich

--- In dmcnews@xxxxxxxxxxxxxxx, "Harold McElraft" <hmcelraft@xxxx> 
wrote:
> The WOT on has a minimal impact so I doubt if that is not your 
> problem. Does it start and idle OK? If so, I would suspect failure 
> in the vacuum advance system somewhere, the throttle plate is 
> sticking or, the idle motor switch that operates the vacuum advance 
> solenoid in unison with the idle motor is stuck too, like your WOT 
> micro switch. Are the vacuum hoses routed properly? Double check 
> this too. Timing light is a tool that can tell you if the advance 
is 
> operating.
> 
> Harold McElraft - 3354
> 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx> wrote:
> > My suspects are: timing advance failure, combined with the 
absence 
> of 
> > the WOT microswitch, and/or maybe some smaller vac leaks. Any 
> > additional suspects are welcome.
> > 
> > Rich
> > #5335






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