BMW 2002 FAQ - 73 2002 with mechanical advance type distributor

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Thread Topic: 73 2002 with mechanical advance type distributor

Date: 7-23-08 11:04
From: jan1968

Subject: 73 2002 with mechanical advance type distributor

Hi folks,

The previous owner replaced the stock distributor with one from a ti engine (0231 151 008). It has a weber 32/36 carb.

How is it's reliability and ease of maintenance (set engine timing) compared to the vacuum type?

I am contemplating going back to the stock distributor but I want to find out if I can set this one correctly before I make a decision.

Thanks in advance,

Jan
_________________
73 inka

Date: 7-24-08 12:16
From: Chris_B in Scotts Valley, CA

Subject: Re: 73 2002 with mechanical advance type distributor

jan1968 wrote:

If you have a setup (such as you do) that can drive a vacuum advance, there are significant improvements in light throttle, light load driveability and fuel economy to be had. The procedure for setting timing is pretty much the same (after you disable the vacuum advance...). The vacuum advance unit is one more bit that can fail, but there are many 02s benefiting from this technology (with, collectively, a gazillion miles on the mechanisms).
_________________
Chris B.
'73 ex-Malaga

Date: 7-24-08 03:30 From: BillWilliams in Maryland Subject: I believe the 73s had a vacumm retard distributor
the distributor caused a reduced idle to "reduce" emissions to pass US standards. _________________ 1972 2000tii Touring 1972 2002tii with A4 system 1972 2002tii found a motor 16' Mad River

Date: 7-24-08 05:07 From: mike in Beavercreek, OH Subject: Don't believe vacumm retard distributors were fitted until
either 1974 or '75...I know the 73's don't have 'em--my 73's dizzy is original and only has the advance unit. mike _________________ '69 Nevada sunroof--"Wolfgang"--bought new '73 Sahara sunroof-- "Ludwig"--mine since '78 '87 eta E30 coupe--"Johannes" + Fiat Topolini (Benito & Luigi), Renault 4CVs (Anatole, Lucky Pierre, Brigette)... and Kermit, the Bugeye Sprite

Date: 7-24-08 10:19 From: BillWilliams in Maryland Subject: Right again Mike - it was 74 (nt)
(nt) _________________ 1972 2000tii Touring 1972 2002tii with A4 system 1972 2002tii found a motor 16' Mad River

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