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09-01-2015, 10:04 AM
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CC Member
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Join Date: Feb 2015
Cobra Make, Engine: Superformance Cobra, Roush 427SR
Posts: 5
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Not Ranked
Smiths Tach
Does anyone know the correct sequence for the switches on the back of a Superformance Smiths Classic Tach gage for a V8?
Thanks!
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09-01-2015, 10:10 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Not Ranked
Quote:
Originally Posted by PMan
Does anyone know the correct sequence for the switches on the back of a Superformance Smiths Classic Tach gage for a V8?
Thanks!
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You mean, something like this?
Last edited by patrickt; 11-08-2016 at 01:31 PM..
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09-01-2015, 11:01 AM
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CC Member
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Join Date: Feb 2015
Cobra Make, Engine: Superformance Cobra, Roush 427SR
Posts: 5
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Not Ranked
Yes, but my Tach has 8 dip switches. I'm running a MSD 6A ignition.
Last edited by PMan; 09-01-2015 at 11:08 AM..
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09-01-2015, 11:21 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Not Ranked
Quote:
Originally Posted by PMan
Yes, but my Tach has 8 dip switches. I'm running a MSD 6A ignition.
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I have an older gauge. I think this: Installation Instructions, Smiths Tachometer - Classic Mini might be the instructions for the newer models. |
09-01-2015, 11:37 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Not Ranked
So, if I were to guess, I would say the MSD tach output is one pulse per firing, or 4 pulses per rev of the crank. So I would try 1 0 1 0 0 0 0 1.  |
09-02-2015, 06:59 AM
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CC Member
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Join Date: Feb 2015
Cobra Make, Engine: Superformance Cobra, Roush 427SR
Posts: 5
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Not Ranked
Thanks!
Patrickt,
Thanks for your help! My Tach works perfect with configuration you supplied.
Thanks again!
Paul
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09-02-2015, 09:14 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Not Ranked
A1 in Hexadecimal
Quote:
Originally Posted by PMan
Patrickt,
Thanks for your help! My Tach works perfect with configuration you supplied.
Thanks again!
Paul
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Great, next time someone asks how you configure the switches, you can just tell them that it's A1 in hex.  |
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