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MSD 6a
#1
hooked up to our original tach. anybody got this? I'm am not sure the Summit guy is telling me the right thing. Just something about the conversation says he is not catching on that I want to run the original tach. "Sir....those cars didnt have tachs"

LOL.....

So technology indicates I need a lead from the box to the tach with possible need for a converter of some type. Anybody?


67 Diamond Blue Vert

[Image: images?q=tbn:ANd9GcRveIaRU6OAzTfd2Mv6ypG...mJJrHJ_B_Q]

DUDE

LOL even my sig line offended somebody!
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#2
to run the msd6a and your stock tach you will need this tach adapter.

http://www.summitracing.com/parts/msd-8920

This is what im running on mine. The original coil picked up off the + side of the coil now the msd6a it will read off of it.

http://static.summitracing.com/global/im...m28572.pdf

Theres another thread or 2 about it on here but cant find it right now.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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#3
turtle5353;107818 Wrote:to run the msd6a and your stock tach you will need this tach adapter.

http://www.summitracing.com/parts/msd-8920

This is what im running on mine. The original coil picked up off the + side of the coil now the msd6a it will read off of it.

http://static.summitracing.com/global/im...m28572.pdf

Theres another thread or 2 about it on here but cant find it right now.

I have the 6AL2 and bought that tach adapter, never could get my tach to work again and it worked fine before I put in the box and the new distributor and Ive never got back to working on it again. Its on the 'list' of things to do.

1972 Mach I, 351C, AOD
2005 Corvette -Sold
2003 Mustang Cobra-Sold
1999 Mustang Cobra-Sold
1994 Mustang GT-Sold
1990 Mustang LX 5.0-Sold
1988 Mustang LX 5.0-Sold
1971 Mustang 302-Sold
1968 Mustang 289-Wrecked
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#4
I have a unit that came on my mach 1 that was connected to the MSD ignition for what I guess was the Stock Tach. I dont need it anymore since Im going to use an AutoMeter which is a direct connect your welcome to it all I need is shipping cost! When I get home I'll get the Model # off of it!

1973 Mach 1 429 cu. in. H.P. TBD, C6 Reverse Manual Valve with 3500 Stall Tranny, 9" rear 3.90 PosiTrac
2007 Mustang GT Convertible Premium
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#5
73 MACH 1 MAN;107883 Wrote:I have a unit that came on my mach 1 that was connected to the MSD ignition for what I guess was the Stock Tach. I dont need it anymore since Im going to use an AutoMeter which is a direct connect your welcome to it all I need is shipping cost! When I get home I'll get the Model # off of it!

Thanks!!!


67 Diamond Blue Vert

[Image: images?q=tbn:ANd9GcRveIaRU6OAzTfd2Mv6ypG...mJJrHJ_B_Q]

DUDE

LOL even my sig line offended somebody!
  Reply
#6
Sorry forgot to post what it is! It's a Universal Tach Adapter model 8920 made by Autotronic Controls Corp which I believe is MSD. Let me know if you want it and I'll box it up!

1973 Mach 1 429 cu. in. H.P. TBD, C6 Reverse Manual Valve with 3500 Stall Tranny, 9" rear 3.90 PosiTrac
2007 Mustang GT Convertible Premium
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#7
MSD has a lot of information on their site, if you have the part number on your ignition module..

http://www.msdignition.com/instructiondownload.aspx
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