Brooklyn Beer Posted January 5, 2019 Author Share Posted January 5, 2019 (edited) Here we are. 67 degree's with new pertronix. Fired it up and next to no black crap. So warmed it up and away we went for a 20 mile run at highway speeds. It accelerates without a stumble or miss and goes right up to 60-65 and just wants to keep going. No bogging nothing. I had not had the car up to 65 before and it tracked and drove as straight as an arrow. But at a traffic light while in gear it has a miss. It doesn't affect take off though and when given pedal it goes away. I know the idle is a little low. At warm up and under high idle it doesn't have it. Am I correct in thinking this is an idle mixture adjustment OUT? Or should I just drive it more with just an idle RPM adjustment. It felt so good to work out the problem and see what she could do that I was all smiles the entire way! Thanks for everyone's help once again! Edited January 5, 2019 by Brooklyn Beer (see edit history) 1 Link to comment Share on other sites More sharing options...
1956322 Posted January 5, 2019 Share Posted January 5, 2019 I'd bump the idle a tad up see how it likes that also after you installed the pertronix did you check the timing?? Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 5, 2019 Author Share Posted January 5, 2019 No, have not checked the timing. I need to go over that chapter in the shop manual. I am guessing it is just a normal timing light episode at a certain RPM? 1 Link to comment Share on other sites More sharing options...
1956322 Posted January 5, 2019 Share Posted January 5, 2019 Check the timing 99 percent of the time it changes when you install the pertronix.. Start there 2 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 6, 2019 Author Share Posted January 6, 2019 (edited) Reading in the manual I must first access the hole by removing timing hole cover. Can I ask which side this is on before I rip up the wrong side carpet? Then I should be able to access the the fly wheel and timing mark VIA the cover. Says model 70 should be at 6 on the ADV mark. Now stupid question. Being the distributor turns counter clockwise which way is retarding or advancing? They also say set idle to 350 rpm which I do not have the means to get it that exact. How critical is it to get that exact? Plus as is always, any hints and advice is welcome ! Edited January 6, 2019 by Brooklyn Beer (see edit history) Link to comment Share on other sites More sharing options...
pont35cpe Posted January 6, 2019 Share Posted January 6, 2019 Timing hole/cover is located just above the starter. Turn the distributor clockwise to advance. 1 Link to comment Share on other sites More sharing options...
1956322 Posted January 6, 2019 Share Posted January 6, 2019 I would just adjust it at where it's idling at don't loose to much sleep over the 350 idea 1 Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted January 6, 2019 Share Posted January 6, 2019 Carpet NOT involved. The timing "hole" is just above the starter. About 1" square. The cover may or may not be there. More missing than not, I expect. Twist the distributor CW to advance [ speed up ] the timing. Ben 1 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 6, 2019 Author Share Posted January 6, 2019 (edited) Oh and of course test wire on plug number 1 (front) correct? Edited January 6, 2019 by Brooklyn Beer (see edit history) 1 Link to comment Share on other sites More sharing options...
JohnD1956 Posted January 6, 2019 Share Posted January 6, 2019 38 minutes ago, Brooklyn Beer said: They also say set idle to 350 rpm which I do not have the means to get it that exact. How critical is it to get that exact? When installing Pertronix, do you remove the mechanical advance weights? If not, the 350 RPM results in 0 mechanical advance. Otherwise at higher speeds the advance will be partially in play, affecting the range of your timing curve. 1 Link to comment Share on other sites More sharing options...
1956322 Posted January 6, 2019 Share Posted January 6, 2019 What's it idling at now 500?? It'll barley affect it not worth stressing about espe if you can't get it to 350 anyways 1 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 6, 2019 Author Share Posted January 6, 2019 The weights are underneath the plate so they were not messed with. I think it might be closer to 500 but these straight 8's are new to me. I set the idle by how sounded/felt while in gear and braked and it does feel a little low after blowing it out at highway speeds today for the first time after the issues involved A LOT of crappy idling time. Tomorrow will be a good day to check the timing as temps and weather is going to be perfect for a January weekend. 1 Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted January 6, 2019 Share Posted January 6, 2019 8 hours ago, Brooklyn Beer said: Oh and of course test wire on plug number 1 (front) correct? YES. Front is #1 Ben Link to comment Share on other sites More sharing options...
gdmn852 Posted January 6, 2019 Share Posted January 6, 2019 1941 to 1948 distributor with the 3 ball plate for reference. Link to comment Share on other sites More sharing options...
Beemon Posted January 6, 2019 Share Posted January 6, 2019 (edited) When adjusting the ignition system, precision is key. It would not be a bad idea to invest in a hand held tachometer. Also, make sure you wire the pertronix to a stable keyed voltage source. If you are running the original generator and voltage regulator, do not be surprised if a large voltage surge kills the module. Edited January 6, 2019 by Beemon (see edit history) 1 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 6, 2019 Author Share Posted January 6, 2019 6 minutes ago, Beemon said: When adjusting the ignition system, precision is key. It would not be a bad idea to invest in a hand held tachometer. Also, make sure you wire the pertronix to a stable keyed voltage source. If you are running the original generator and voltage regulator, do not be surprised if a large voltage surge kills the module. Car has been converted to 12 volt negative ground with an alternator. I shall look for a hand held tac. Thanks for the good advice! Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 6, 2019 Author Share Posted January 6, 2019 2 hours ago, gdmn852 said: 1941 to 1948 distributor with the 3 ball plate for reference. Yes, I am thinking I might have an earlier distributor looking at yours. Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 6, 2019 Author Share Posted January 6, 2019 (edited) No timing today. I cannot find the timing light anywhere ! Grrrr I think it went down the road with my 40 ford when I sold it as it was stashed behind the seat. Have a new one coming. Curious as to what is a good buy on these hand held tac's. How precise are they? And how do they work? Edited January 6, 2019 by Brooklyn Beer (see edit history) Link to comment Share on other sites More sharing options...
1956322 Posted January 6, 2019 Share Posted January 6, 2019 https://innova.com/en-US/Product/Detail/5568a?r=0.333787465088577 This is what I have does everything had it for a few years no problems Amazon about 100 1 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 17, 2019 Author Share Posted January 17, 2019 ok, waited for the good timing light and weather to set timing. When I shine the strobe into the hole all I see is what looks like a bolt head going around. I am going to have climb into it to get a closer look. But according to the manual I should see a yellow mark. Correct? Link to comment Share on other sites More sharing options...
1956322 Posted January 17, 2019 Share Posted January 17, 2019 Yellow mark sounds right.. Most likely it's to advanced to see the mark.. Start turning the distributor until you start seeing it Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 17, 2019 Author Share Posted January 17, 2019 (edited) I will tell you what, I must be getting too old to see what I am looking for because all I see is strobe. I did retard it guesstimated 5-6 degree's till the miss about went away. Will let it cool down and see how it starts. Idle at 700 now. Will drive for a while and see what I got. Edited January 17, 2019 by Brooklyn Beer (see edit history) Link to comment Share on other sites More sharing options...
1956322 Posted January 17, 2019 Share Posted January 17, 2019 It takes some getting use to to learn to look past the strobe Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 17, 2019 Author Share Posted January 17, 2019 Just now, 1956322 said: It takes some getting use to to learn to look past the strobe I tried it two ways. No under hood light on and light on. I climbed in as close as I could get and all I could see was a bolt/nut going round and round lol Link to comment Share on other sites More sharing options...
JohnD1956 Posted January 17, 2019 Share Posted January 17, 2019 The yellow paint has probably exited the vehicle. Recommend making a white chalk mark on the distributor base below the #1 spark plug wire port. Then removing the distributor cap. Rotate the engine till the rotor is near the #1 sparkplug wire port. Then manually rotate the engine a small bit while checking for the timing mark in your window. This would be easier to do if you loosen all the plugs first. When you find the timing mark, repaint the line. White or yellow paint inside the groove will work. 4 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 18, 2019 Author Share Posted January 18, 2019 I actually think the problem is my own eye's not being able to focus correctly on the mark as I do see some yellow going around I think. Even with my readers on I cannot focus on a line or mark getting as deep down as I can get my head. To me it almost looks the color of a grade 8 bolt. This motor was rebuilt some years ago before I got it so I have no doubt the mark is there, I just can't see it. Just took it for a 10 mile drive and the miss is 98% gone while in gear at a traffic light. I just might tweak it another smidge more retarded. It started right up as well with no laboring from operating temp too boot. also adjusted the idle mixture a wee bit and the idle itself just checked at 725 rpm. That can come down. Link to comment Share on other sites More sharing options...
BuickBob49 Posted January 18, 2019 Share Posted January 18, 2019 This sounds really basic, but are you sure that the spark plugs and wires aren't one hole off on the distributor? That happened to me many years ago on my 49 Super. A friend replaced the spark plugs and wires. I tried to adjust the timing and kept hitting the end of the adjustment on the distributor. I then moved the wires over one hole on the cap, as my old Chilton's manual suggested in its troubleshooting section. It brought the correct timing to the middle of the adjustment band. Set at 450 rpm, I could about adjust the timing by ear. I verified it with the strobe and it picked up the yellow mark. 1 Link to comment Share on other sites More sharing options...
old-tank Posted January 18, 2019 Share Posted January 18, 2019 With engine off, rotate until rotor points to #1 plug wire terminal. Then search for the mark...may have to rotate engine back and forth. If you find it refresh with paint or chalk. If no mark is found research: "set engine timing with vacuum gauge". 4 Link to comment Share on other sites More sharing options...
Brooklyn Beer Posted January 18, 2019 Author Share Posted January 18, 2019 I am seeing something there but having problem with my eye's and the strobe and being able to focus. It actually screwed my equilibrium up for almost 30 minutes. I might have to get someone to do it. Don't ever get blown up, it comes back years later in weird ways. This being a new one for the list. Link to comment Share on other sites More sharing options...
Bloo Posted January 18, 2019 Share Posted January 18, 2019 I agree with old-tank. Refresh the marks. I would get a paint pen in white or some bright color and mark them. Link to comment Share on other sites More sharing options...
Frank DuVal Posted January 20, 2019 Share Posted January 20, 2019 White out is what I used for years to “paint” timing marks. Handy small bottle with brush. Do they even sell it anymore?😀 Link to comment Share on other sites More sharing options...
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