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I just found this on allpar...
Thoughts?
12. The price of the electronic ignition's performance is paying more careful attention to the condition of your distributor cap, rotor and spark plug wires. You can also change them out. The trick piece in this department is a NAPA Echlin long-tip rotor...
Totally mind blown. I bought a cap and rotor kit, comes in the same box and it’s still WAY short. Pictured are:
Old rotor that came with MP dizzy is white, the Duralast gold part store one is grey. Shown is measurements with a mic. It’s rough measurements but show what I mean, it’s .1000...
It’s not in front of me right now but the rotor isn’t that skinny, the back, plastic side is wider looking then that. I’ll post a pic later this morning.
Thanks Halifax!
This is what I have access to today, it looks the same as the standard motor part number. Thoughts?
https://m.autozone.com/ignition-tune-up-and-routine-maintenance/distributor-cap/gold-ignition-rotor-cr2200g/27777_0_45590?aqs=
Well the plot thickens. The replacement came. The rotor on this one does not seem to be riding quite as high but it is still arcing up from the top of the rotor finger to the bottom of the terminals. Since I now have a second dizzy at no cost even if I send back the the other, I figured I’d...
Good info so far. Once I get the new dizzy today I’ll compare everything closely and see if/where any difference is between each. I’ll be swapping in my welded Tbar but will measure closely with calipers overall length/height of each to see if any parts/shims are different.
I know there better...
I spoke to Summit and they are sending another distributor to try. Here is a pic of what I mean. This motor has at least 5 hours of run time and you can see where the arc is jumping to the terminal. I drew the black arrow and it shows the arc dust and how the rotor seems to have scraped the...
I have an odd problem with a new MP distributor. It’s in a fresh 383 and is actually running well, but I spotted a possible problem. Unfortunately the distributor is the current model that is built by Pro-from/ China/ whatever. After the initial break-in of the motor, I pulled and opened up...