[Healeys] Tach rebuild

[Kees Oudesluijs]

This is the problem The tachometer may or may not work with a Petronix 
ignition. On my own car it works fine but on on of my friends one with 
exactly the same set up it does not. Why? No idea.

Kees Oudesluijs

Op 24-11-2020 om 23:30 schreef Bob Spidell via Healeys:
> FWIW, I’ve had a Pertronix in my BJ8 for almost 20 years and my tach 
> works fine. I did calibrate it once with the internal trim pot.
>
>> On Nov 24, 2020, at 2:22 PM, David Nock BCS via Healeys 
>> <healeys at autox.team.net> wrote:
>>
>> 
>> Re install the points ignition and problem solved.
>> David Nock
>> British Car Specialists
>> 209-948-8767
>> www.britishcarspecialists.com
>> *From:* Michael Salter
>> *Sent:* Tuesday, November 24, 2020 2:13 PM
>> *To:* John Spaur
>> *Cc:* Healeys
>> *Subject:* Re: [Healeys] Tach rebuild
>> Keep looking for archive articles John.  I  recall that a very simple 
>> and inexpensive fix is available.
>> M
>> On Tue., Nov. 24, 2020, 5:02 p.m. John Spaur via Healeys, 
>> <healeys at autox.team.net> wrote:
>>
>>     Palo Alto Speedometer rebuilt mine.
>>
>>     -----Original Message-----
>>     From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf
>>     Of John OBrien
>>     Sent: Tuesday, November 24, 2020 12:24 PM
>>     To: Healeys <healeys at autox.team.net>
>>     Subject: [Healeys] Tach rebuild
>>
>>     Hi Listers:
>>
>>     The tach on  my BJ8 does not show the correct RPMs. On a cool
>>     morning it shows what I believe is fairly close to the right
>>     numbers, but as the car warm, or the day warms, it reads higher
>>     and higher for the same speed.  I know it is not the clutch
>>     slipping. I saw some articles in Healey Marque magazine showing
>>     how to rebuild and test them, but it requires a oscilloscope and
>>     some other specialized equipment I don't have, so I'm wondering
>>     if you guys have a recommendation for someone that might rebuild
>>     them.
>>
>>     I imagine there is also some info in the archives, but my
>>     antivirus software flags the archive site as a malicious website
>>     and doesn't want to let me access it.
>>
>>     Thanks for any info.
>>
>>     John O'Brien
>>
>>     '61 bugeye (Lucy)
>>
>>     '65 BJ8 (Madelyn)
>>
>>
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