Re: Ignition Timing

["dennis.1963ply" <dennis.1963ply@xxxxxxxxx>]

Paul,

I'll be interested in the responses to this, I am under the impression that the best vacuum to read and use for the distributor is directly from the manifold. 

Take Care
Dennis

On Friday, September 22, 2017 at 6:26:30 PM UTC-7, Paul L. http://1962to1965mopar.ornocar.org/ml-le wrote:

I suppose the low vacuum at idle is because of the cam.  I've got the idle set a little low at @ 850 rpm.  I could bump it up a little to see if that makes a difference.  I'm reading the vacuum from the timed vacuum port.  The guy I bought it from was making it a bracket racer so it wouldn't surprise me if he put in some light springs.

Paul L

On Sunday, September 17, 2017 at 12:50:42 PM UTC-5, Paul L. http://1962to1965mopar.ornocar.org/ml-le wrote:

I've heard some differing info over the years on ignition timing.  I was talking to MO recently, and the guy who set up his distributor on his machine made the comment that setting "x" was all wrong for a manual transmission.  So I'm wondering if there is a difference in what you do for manual vs. automatic.  Right now I've got mine set at 32* BTDC all in at @ 2500.  This is 440 primarily street driven car with a bit of a cam.  I had been running with the vacuum advance plugged off.  I recently checked the timing because I was able to borrow a timing light.  I had a crappy one when I set it before.  It was retarded about 8* so more like 25* BTDC.  So I reset it and the result was that it seemed to run a little better but I had developed a slight bog from a stop.  So I'm wondering where I should go from here?   Should I hook up the vacuum advance and reset the total advance?  BTW it didn't seem to make any difference on my issue with running hot in town

Paul L.

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