 123 Switch Distributor, Which curve? |
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| NotLance |
 Nov 11 2025, 05:35 PM
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Member  Group: Members Posts: 94 Joined: 4-February 21 From: Northern California Member No.: 25,165 Region Association: Northern California  |
Hello! I've got a carbed -4 2.0l and have the 123 distributor with 16 curves.
When engine was set up it was set using standard timing for these cars (Which I think is 10 to 17?) Can't remember off the top of my head but whatever the mark on the fan is at) Which setting on the distributor should I use? I cant find any solid sources for this distributor. It was at B when I got it - and has been left at that since.  And while I'm asking all these questions, does anyone know what DEGREES NEGATIVE VACUUM !!!!! is and if I need one of those settings or not - it was set on one so I assume I do but idk. I do not know anything about timing, but want to learn! |
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| NotLance |
Nov 11 2025, 11:32 PM
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#2
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Member Group: Members Posts: 94 Joined: 4-February 21 From: Northern California Member No.: 25,165 Region Association: Northern California |
Good info - and no, I’ve got the one without a vacuum line, I believe it’s 4-R
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Posts in this topic
NotLance 123 Switch Distributor Nov 11 2025, 05:35 PM
emerygt350 Yikes..since you have a 70 and it is a carbed 2.0 ... Nov 11 2025, 07:29 PM NotLance Should have specified a year! Its a GA case Nov 11 2025, 07:50 PM
emerygt350
Should have specified a year! Its a GA case
... Nov 11 2025, 08:21 PM JamesM
And while I'm asking all these questions, do... Nov 11 2025, 09:03 PM |
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