Distributor endfloat specs
 

Hi Guys. I am after the endfloat specs for my Bosch dizzy. The numbers on it are:
030 on the base
then 0 231 184 001
JFUD6 0n the main body.
I don't have a spec book and the Bosh service centre expert here just said "about this much" indicating a very small ammount with his fingers (!). My concern is that it's either supposed to be negligible/a few thou or considerably larger for some reason peculiar only to Porsches. I checked Cam's car in the weekend and his has a large clearance- and funny noise- like mine has, (sorry to spill the beans Cam)thus perpetuating concern.
I've rebuilt the rest and it's come out nicely. It's a fun and interesting job working out how it all functions, and I've got it operating like clockwork, but I really want to get it sorted by tonite so I can gun it up again...you know that feeling (especially Leeland).
Anyone have a spec book handy?

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'72 911 TE

The spec book doesn't list such detailed information about the distributor ... but I do happen to have a brand new replacement RS 2.7 distributor (0 231 184 004) in the box that I bought from PMO about 15 years ago ... and the end play is negligible, 0.002", as is my own, used distributor, even less -- 0.001". Maybe I wasn't wasting my time pulling my distributor out for cleaning and lubing at every oil change, after all???

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Warren Hall
1973 911S Targa

Thanks very much Warren. I guessed as much, but it's nice to know the facts. Pulling things apart to clean and inspect was obviously beneficial in your respect, as it is in almost every situation.
I can still hear my Mum's words many years ago when I pulled apart the electronic toy robot they gave me for christmas- "Matthew, I do hope you know how to put that back together again". I didn't of course, but we all have to start somewhere. Pity they didn't encourage my interest, merely steered me down the academic path. I digress.

The problem with my distributor was a fibre washer breaking up between the base plate and body, leading to steel-on-aluminium rotational contact. They don't mix well- the alloy 'drags' on the steel and rapid wear is the result. I was surprised there were no steel thrust washers there as well, just the fibre one.
Could this be a common Bosch failing? It's easy to check- just pull up and down on the shaft the rotor arm is joined to. Warren's 0.001" would equate to no movement noticed here here. I had about 4mm!

Be warned!