Re: 2020 Initial Interest Gauge
Posted: Tue May 12, 2020 5:51 pm
Colin,
Much appreciate the ideas. Here are my results and other observations that might be of interest.
1. My tach only reads up to 1200 for 8 cyl. So I understand that means 2400 RPM for my bus. I'll have to wait a few days before I can reliably get her to 3400 RPM's for your test.
2. My vacuum on the distributor only has 1 hose terminal instead of 2. My throttle has two with the one at the front (front of bus) connected to my distributor and the other closed off.
Baseline: When I first tried to get her to start she would not. I had to turn my idle screw 1/2 turn CCW to get her to start. After, At idle when I first started the engine Tach: about 1600 - 1700 and Advance was 20degrees with retard. It was also 20 degrees without retard hose.
Test one, i manually pushed the throttle to 1200 and advance moved to 24 degrees with the retard hose. I then manually pushed the throttle to 1200 and advance moved to 32 without retard hose.
Test two, I screwed the throttle value CW to slow the RPM and once I hit below 1200 she puttered a little (not backfire) shuts down on me.
Will start up with accelerator (wants air I guess). I have not completed the Potentiometer tests as I understand I should wait for my timing to be better set? Maybe not?
Thanks.
Much appreciate the ideas. Here are my results and other observations that might be of interest.
1. My tach only reads up to 1200 for 8 cyl. So I understand that means 2400 RPM for my bus. I'll have to wait a few days before I can reliably get her to 3400 RPM's for your test.
2. My vacuum on the distributor only has 1 hose terminal instead of 2. My throttle has two with the one at the front (front of bus) connected to my distributor and the other closed off.
Baseline: When I first tried to get her to start she would not. I had to turn my idle screw 1/2 turn CCW to get her to start. After, At idle when I first started the engine Tach: about 1600 - 1700 and Advance was 20degrees with retard. It was also 20 degrees without retard hose.
Test one, i manually pushed the throttle to 1200 and advance moved to 24 degrees with the retard hose. I then manually pushed the throttle to 1200 and advance moved to 32 without retard hose.
Test two, I screwed the throttle value CW to slow the RPM and once I hit below 1200 she puttered a little (not backfire) shuts down on me.
Will start up with accelerator (wants air I guess). I have not completed the Potentiometer tests as I understand I should wait for my timing to be better set? Maybe not?
Thanks.