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Sip speedo being affected by new ignition?

Posted: Thu Mar 10, 2016 4:41 pm
by alanscottj
I've recently put a new Varitronic ignition on my TS1 and the engine runs amazing (touch wood!) but, my SIP speedo which has always been spot on, now whenever I go over 40 it starts to play up, jumping about all over the place. I have a resistor plug as recommended but was wondering if there is anything else I can do to stop the interference?

Tia :D

Re: Sip speedo being affected by new ignition?

Posted: Thu Mar 10, 2016 6:38 pm
by wack 63
Have you altered the settings to account for the twin spark?

Re: Sip speedo being affected by new ignition?

Posted: Fri Mar 11, 2016 12:22 am
by alanscottj
wack 63 wrote:Have you altered the settings to account for the twin spark?
Mm mm? That would be a no! Didn't realise I would have to. Would the info about this be in the SIP booklet?

Re: Sip speedo being affected by new ignition?

Posted: Fri Mar 11, 2016 7:05 am
by wack 63
It should be.

Re: Sip speedo being affected by new ignition?

Posted: Fri Mar 11, 2016 8:37 am
by Toddy
Is it cable or sensor ?

Re: Sip speedo being affected by new ignition?

Posted: Fri Mar 11, 2016 8:43 am
by alanscottj
Toddy wrote:Is it cable or sensor ?
Sensor. I've found the booklet now so will be able to adjust it accordingly later today. Hopefully that will sort it out. Having said that, maybe I'll leave it, according to my speedo - last night I did 115 mph :lol:

Re: Sip speedo being affected by new ignition?

Posted: Sat Mar 12, 2016 12:08 pm
by alanscottj
Adjusted accordingly and it appears to have fixed the issue. Many thanks for the help, as always :D