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#94299 01/18/2006 4:23 AM | Joined: Jan 2006 Posts: 72 'Bolter | | 'Bolter Joined: Jan 2006 Posts: 72 | My 1946 1/2 ton has a Delco distributor #1110090. My Motor Age manual shows two different advance curves for this distributor. One begins advance at 600 RPM, the other one begins at 700 RPM. Does anyone know which one was the standard unit for my truck? Thanks.
Larry
46 Chevy 1/2 ton stake - family truck for 78 years
USAF 75-81
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#94300 01/18/2006 4:35 AM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | runnjump,
Welcome to the site. Although I don't know the answer to your question, I will say that a 100 RPM difference is quite insignificant.
The availability of the proper unit could be a sticky wicket...because this item responds to engine vacuum, the difference must be achieved with the internal spring.
Unless you are attempting to do a matching numbers thing, I don't think you would ever notice the difference between these two vacuum advance units.
Stuart | | |
#94301 01/18/2006 4:53 AM | Joined: Jan 2006 Posts: 72 'Bolter | | 'Bolter Joined: Jan 2006 Posts: 72 | Thanks Stuart. That's kind of what I thought, too. I need to replace the vacuum advance and was just curious. I'm sure the parts folks will probably list only one.
Thanks again.
Larry
46 Chevy 1/2 ton stake - family truck for 78 years
USAF 75-81
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#94302 01/18/2006 5:04 AM | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | the complete distributor from any chevy 6 from about 40 to at least 62 [end of 235] will work fine - I put one from a mid 50's 235 on my 46 GMC 228 and it fixed all the little problems I had as a result of the original being worn out
Bill | | |
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