February 10, 200719 yr so here i am 100 miles from home[at my inlaws]and my dist.is jumpimg all over beond 3000rmp's its a 86 1800 overhead cam ,,,carberated 4 dr.4x4.in the past if any, ea81 dist did that i just oiled the dist bearings and bam its fixed.so i oiled mine and its still jumping around and craping out in higher rpms.any ideas? i'm having my daughter bring down a different distributor just as a stab in the dark.any thoughts would be cool.thanks,todd the old guy:confused:
February 10, 200719 yr First thing that comes to my mind is bushings but I am having a stab it cause its hard to understand your overall message syntax.
February 10, 200719 yr Worn shaft bushings. The air gap between the reluctor and pickup isn't steady. GD
February 10, 200719 yr Yup, pick out a good used one of find a machine shop to re-bush it. I did my EA-81 and it worked nice.
February 10, 200719 yr Author i checked for play by trying to rock the shaft around,it seemed good.could this still be messed up even though the bushings seem ok? todd thanks guys!
February 10, 200719 yr It doesn't take much, and without removing the distributor it's unlikely you would be able to feel the play as the shaft is engaging the cam drive gear, and isn't free to flop about like it would if you removed it from the engine. 1/32" is more than enough to cause a lot of problems. GD
February 11, 200719 yr Author so i limped it home.my daughter had brought down a "vented"dist.with 2 lines on the vacume advance.i didn't want to screw things up so i chanced it.i looked around my place and i have a few like that,vented and 2 lines on vacume advance.are they interchangable with non vented with one line on the vacume advance? any advice would be cool.thanks todd
February 11, 200719 yr so i limped it home.my daughter had brought down a "vented"dist.with 2 lines on the vacume advance.i didn't want to screw things up so i chanced it.i looked around my place and i have a few like that,vented and 2 lines on vacume advance.are they interchangable with non vented with one line on the vacume advance? any advice would be cool.thanks todd Yes they are interchangable. The bit you are refering to as a "vent" is not. It's a retard port for the feedback carb equipped EA82's. Leave it open (not capped) and just use the inner port as that one is the advance. GD
February 11, 200719 yr Author hey gd,thats cool.does it matter what they look like inside.i compared 2 of them and the stuff inside the dist. were different. just 2 ways to do the same thing? thanks todd
February 11, 200719 yr Different brands probably - Nippon-Denso vs. Hitachi. But yes, they do the same job. GD
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