 MS-3 and the stock Porsche tach |
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| db9146 |
 Jul 31 2017, 06:39 AM
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Senior Member  Group: Members Posts: 953 Joined: 21-December 04 From: Atlanta, GA Member No.: 3,315 Region Association: None 
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Is anyone using MS-3 and driving the stock tach with it?
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| McMark |
Jul 31 2017, 11:49 AM
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
A lot of the aftermarket tach output is a lower voltage signal. Our early stock tach uses a 12v signal. You can use pretty much any 'Tach Adapter' such as the one from MSD. This takes the low voltage signal and steps it up to 12v. You can also use a late tach, which seems to work out of the box, but you lose the 'silver dot' if that's how your gauges look.
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Posts in this topic
db9146 MS-3 and the stock Porsche tach Jul 31 2017, 06:39 AM
914forme You can also have your stock rebuilt with new inte... Jul 31 2017, 03:30 PM Vacca Rabite What Mark said.
My MS will drive the stock tach ... Aug 1 2017, 07:39 AM
PanelBilly I have an extra msd tach adapter Aug 1 2017, 09:15 AM |
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