AnthonyG Posted May 13, 2013 Share #1 Posted May 13, 2013 So I was in a high performance driving class with my z. 1976 280z. And had lots of fun, but revved the engine a lot. Near end of day engine was a bit rough. Drive home it started chugging and missing. At home I did compression test - good and consistent across cylinders (engine was rebuilt 10000 miles ago). checked spark plugs - a little brown and white, nothing odd. Still replaced with new Then went to cap and rotor and found something This looks to be the culprit. What I am asking is what else should I check. I have new cap and rotor on order( 2 sets on order from different places) problem I leave Tuesday night or Wednesday for a roadtrip I have had planned awhile. The parts come on Tuesday. Iam pretty sure this will fix it, but am thinking what if... Link to comment https://www.classiczcars.com/topic/46536-ignition-sanity-check/ Share on other sites More sharing options...
Captain_Zeros Posted May 13, 2013 Share #2 Posted May 13, 2013 disclaimer: I'm a 240z guy, so I mostly can tell you about the points and condenser you don't have However, it might be a good idea to grab the distributor shaft and see if it has any lateral wiggle. It should spin fine, and feel a little slop there from the vacuum and mechanical advance, but it shouldn't have much of any play sideways (which would be a sign of worn out bushings in the distributor and would prematurely wear out the cap & rotor) How old is the cap you're replacing? If it's pretty new I'd be suspicious, if it's ancient... well... it's considered a wear part. Link to comment https://www.classiczcars.com/topic/46536-ignition-sanity-check/#findComment-423308 Share on other sites More sharing options...
AnthonyG Posted May 13, 2013 Author Share #3 Posted May 13, 2013 The cap and rotor were new with the rebuild. However I was revving near redline for protracted periods.Ill check the distributor for play. I have an extra of that part on hand. Link to comment https://www.classiczcars.com/topic/46536-ignition-sanity-check/#findComment-423309 Share on other sites More sharing options...
Willoughby Z Posted May 13, 2013 Share #4 Posted May 13, 2013 And just a thought... buy quality parts, and I prefer to buy both the rotor and the cap from the same manufacturer. Perhaps that's just my superstition. Even with that, I do frequent checks after a replacement, looking for damage and I don't hesitate to return them if there's any sign of the rotor tip and the contacts crashing or burning.Assuming the distributor shaft bearing is solid, of course. Link to comment https://www.classiczcars.com/topic/46536-ignition-sanity-check/#findComment-423313 Share on other sites More sharing options...
SteveJ Posted May 13, 2013 Share #5 Posted May 13, 2013 Something doesn't fit right. Is there any chance you have a ZX distributor or some other modification? Link to comment https://www.classiczcars.com/topic/46536-ignition-sanity-check/#findComment-423346 Share on other sites More sharing options...
Yarb
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