distributor rotor question

Mihnea Cotet mik at info.fundp.ac.be
Mon Dec 8 10:25:05 EST 2003

Lol, and I'm glad there still are people who disagree with me, I guess it's 
the whole point about these lists, like everyone sharing their opinions, 
right? :-)

I have no first hand experience with this as I've always used the correct 
item, hence my statement about "such is the story" so I might just as well 
be wrong... I also think that in an otherwise stock car (stock ECU and 
boost levels) there should be no danger to using the incorrect part number, 
but in a chipped application or a car with serious mods, RS2 turbo, EM, 
injectors and running 2.7 Bar absolute peak boost for 440lb/ft it would be 
quite risky to say "nah, who cares, I know better", huh? :-)



At 15:20 8/12/2003 +0000, Mike Del Tergo wrote:
>While I never thought I would be in a position to disagree with Minhea, I 
>am.  I have used the wider tipped incorrect rotor on my avant for some 
>time before I "realized" it was not an exact replacement.  (both at 
>highish revs and everyday with no "known" ill effects.   I ordered the 
>exact replacement from SJM and compared.  Aside from any nonmeasureable 
>impedance differences, it all came down to width of rotor tip.  I believe 
>the "horror stories" revolved around the markedly wider tip possibly 
>making "contact" to 2 points in the cap at once and causing incorrect 
>firing of the spark plugs.  20 Seconds with a Dremel and the "incorrect 
>1/3 price " rotor has the same measuremnts as the "correct" one.  No 
>noticeble differences between the cars, both now have awfully low mileage!
>From: "feelstranger" <>
>Hello, Am I imagining it or did I read somewhere that the 3B has a proper
>"special" distributor rotor that is narrow at the contact but most places
>sell the standard style that also fits ...?
>If it's not a dream, does it make a difference?
>From: Mihnea Cotet <mik at info.fundp.ac.be>
>Subject: Re: distributor rotor question
>To: "feelstranger" <feelstranger at hotmail.com>, <200q20v at audifans.com>
>Message-ID: < at info.fundp.ac.be>
>Content-Type: text/plain; charset="us-ascii"; format=flowed
>Yes, the distributor rotor is specific to the 3B and only that one can be
>used, the "regular" item can be responsible for causing spark arcing
>between 2 cylinders leading to severe engine damage, or at least such is
>the story.
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