 1-2-3 Ignition Settings, Whats the difference between Curves 2 and 3 ? |
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| jim_hoyland |
 Mar 28 2019, 10:50 AM
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#1
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Get that VIN ?  Group: Members Posts: 9,319 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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I had the 1-2-3 installed last week and the performance is noticeable improved; based on the chart below, what would be the difference between Curve 2 and Curve 3 ?
My '75 L-Jet has the 2L crank, 96mm Pistons, and a larger Vanagon TB So, it feels good on curve 2, what might happen going to curve 3 ? Attached thumbnail(s) 
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| maf914 |
Mar 29 2019, 07:14 AM
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#2
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Not a Guru! Group: Members Posts: 3,049 Joined: 30-April 03 From: Central Florida Member No.: 632 Region Association: None
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Okay. I am not an ignition expert, but the max advance/RPM figures are interesting. On my 76 2.0L I always set the timing at 27 degrees at 3500 RPM (per the Haynes manual). The above chart indicates max advance figures of 22 or 23 for the various 914 options. With the 1-2-3 distributor, can the max advance be adjusted upward? How about the shape of the advance curve?
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Posts in this topic
jim_hoyland 1-2-3 Ignition Settings Mar 28 2019, 10:50 AM
jim_hoyland
Okay. I am not an ignition expert, but the max a... Mar 29 2019, 07:49 AM restore2seater
IIRC, Ed at 1-2-3 said one has to add 10 to those... Mar 29 2019, 08:11 AM jim_hoyland
IIRC, Ed at 1-2-3 said one has to add 10 to thos... Mar 29 2019, 08:58 AM
michael7810 I’m not an expert and am trying to understand be... Mar 29 2019, 09:10 AM 914_teener Timing advance is stated in relationship to engine... Mar 29 2019, 09:22 AM jim_hoyland
Timing advance is stated in relationship to engin... Mar 29 2019, 11:55 AM 914_teener
Timing advance is stated in relationship to engi... Mar 29 2019, 01:40 PM DRPHIL914 is the vac connected or are you running with out, ... Mar 29 2019, 12:56 PM jim_hoyland
is the vac connected or are you running with out,... Mar 29 2019, 02:32 PM |
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