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tach signal for data logger
Installing a data logger and need to source good tach signal ( Racepak). Can I just pigtail off the back of the tach itself? Car is 3.2 motronic mid 80's variety. The signal requirement is 50% duty cycle, 5-18 volt square wave signal ( whatever that means)
Hoping a more technically savy pelicanite could point me in the right direction. thanks Willy
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-11-2011, 06:32 PM
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Willy, you can tee off the existing tach line. I hate scotchlocks but they work.
The simplest install? Look into the MSD inductive pickup. Simple install and no cutting.
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Chris ---------------------------------------------- 1996 993 RS Replica 2023 KTM 890 Adventure R 1971 Norton 750 Commando Alcon Brake Kits |
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07-11-2011, 07:04 PM
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Jim 76 911s 3.6l Track Car 05 Ferrari F-430 "If its worth doing...it's worth doing to excess" |
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07-12-2011, 11:17 AM
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tach driver
Thanks Jim
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-12-2011, 11:19 AM
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Tach signal
Jim
Are you saying the tach signal off the tach itself won't support the racepak requirements? On traqmate it's sufficient and I see in the manual it's pretty specific.
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-12-2011, 08:46 PM
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I can't speak to traqmate. I run a G2X w/ a UDXL dash in 1 car, IQ3 in the other.
G2 is a carb car and IQ3 is Motec. I've had to use the tachdriver on both cars. It massages the tach signal to something the Racepak stuff can read. Go to the Racepak site and pose the question to Tim. He's super good and usually gets back to you same day. HTH. BTW...I should be at Laguna Seca (don't know which car I'll bring)...look me up in the pits and I can give you some pointers. Best, J
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Jim 76 911s 3.6l Track Car 05 Ferrari F-430 "If its worth doing...it's worth doing to excess" |
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07-13-2011, 06:11 AM
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Racepak
Thanks Jim
Sounds like the tach driver is the answer as Racepak is pretty specific on the signal it needs. Appreciate your help. I will meet up at laguna, at the very least i can buy you a Beer!! regards Willy
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-13-2011, 07:06 AM
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No problem...but I NEVER do beer in the singular, always the plural
 
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Jim 76 911s 3.6l Track Car 05 Ferrari F-430 "If its worth doing...it's worth doing to excess" |
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07-13-2011, 07:09 AM
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Laguna
Beer is like golf balls or potatoe chips, you can't do just one!
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-13-2011, 07:19 AM
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tach signal
Jim
MSD tach driver did the trick. everything is up and running, programmed to my car. Need to set the ratios when I get to the track . thanks again and what beer(s) do you like! Regards, Willy
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-21-2011, 11:21 AM
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Awesome! Tsing Tao, Singha, or St Pauli Dark.
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Jim 76 911s 3.6l Track Car 05 Ferrari F-430 "If its worth doing...it's worth doing to excess" |
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07-21-2011, 11:45 AM
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Cheers
You got it
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[B]Willy 79 V3R5 turbo body Race Car 2013 Audi A5 quattro 2011 Tundra |
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07-21-2011, 12:00 PM
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1970 Porsche 911 S 
2005 Ferrari F-430
Payne-Killer
1976 Porsche 911
