Re: 1939 Six Timing
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I would say that instructions for setting the timing without disconnecting the vacuum line is because the vacuum source to the distributor is in a port above the carburetor throttle plates. With the engine at the proper RPMs the port is not exposed to vacuum and therefore it is not necessary to disconnect the line. Still, it does not hurt to disconnect the line.
Posted on: 2020/5/3 13:09
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Re: 1939 Six Timing
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Thanks JW, makes sense. It does state to set fuel compensator to zero. Any idea what that is?
Just verified mechanical advance is working, did see a couple degree change in timing with vacuum line off at idle and line plugged.
Posted on: 2020/5/3 14:00
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Re: 1939 Six Timing
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Use to they had a small scale marked that was at the base of the distributor. According to the octane of the gas you would loosen it and advance or retard the timing some. On Chevy they were labeled an octane selector
Posted on: 2020/5/3 16:08
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Re: 1939 Six Timing
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Fascinating PTV, thank you
As for the compensator, I was referring to it as the distributor hold down bracket. I straightened out the bent ears, tack welded across an area that they rolled the metal and it seems quite strong now
Posted on: 2020/5/3 19:28
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Re: 1939 Six Timing
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Here it is in all its glory! This one is from my 115C.
Attach file: ![]() ![]()
Posted on: 2020/5/4 11:11
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Re: 1939 Six Timing
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Looks like a particularly well preserved NOS piece, John!!! Nice job.
Somebody posted an upgrade to the tightening nut on the site a short while back and it looked like it made it a whole lot easier to access. Did you see that one?? I intend to adapt mine that way, but have so many things to chase, I haven't gotten anywhere near 'around to it', yet! Chris.
Posted on: 2020/5/5 0:05
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'If you think you can, or you think you can't - you're right!' Henry Ford.
1939 Packard Six, Model 1700 |
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Re: 1939 Six Timing
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Chris, this photo was taken before I changed the short clamp bolt with a longer one and a short piece of tubing. The octane adjuster fixture was original to my Packard.
Posted on: 2020/5/5 11:43
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We move toward
And make happen What occupies our mind... (W. Scherer) |
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Re: 1939 Six Timing
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Yours looks like a much newer and user friendly model than mine. I do not have the handy dial extending out. You have to loosen the two bolts to dial in the advance/retard and can't see the scale too easily based on it's location
Posted on: 2020/5/5 11:59
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Re: 1939 Six Timing
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Hey John(s) ...yes, I agree with you jwblazek, JW's DOES look like a newer and better version than I/we have. Sounds like we have the same unit and it is anything but user-friendly. Irrespective John's repaired/refurbished piece looks top-drawer to me. Chris.
Posted on: 2020/5/5 22:02
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'If you think you can, or you think you can't - you're right!' Henry Ford.
1939 Packard Six, Model 1700 |
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