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-   -   351W distributor grey wire (http://www.clubcobra.com/forums/ignition/127987-351w-distributor-grey-wire.html)

Austria_Cobra 03-05-2014 06:21 AM
351W distributor grey wire
 
Hello
I'll install a new distributor on my 351W, do not know which one right now.
Thinking about the MSD 8354.

My tach is now jumping around and does not show me a correct signal.
The signal is taken from the MSD6AL through a MSD Tach Adapter PN8920.

Now I found this in the discription from the the 8354
RPM LIMIT AND TACHOMETER INFORMATION
Tach Signal: The Ready-to-Run Distributor features a Gray Tach Output wire which provides a clean signal for most tachometers and even some aftermarket fuel injection systems. The signal output is a 12 volt square wave, 20° duty cycle. This wire is also responsible for programming the built-in rev limiter.

Should this be the sollution for my application?
THX

Clois Harlan 03-05-2014 08:52 AM
The grey you are referring to connects in the back of your Tach gauge. You do not need the MSD 6AL because your distributor is a STAND ALONE unit. Be sure and match your distributor gear with the type of cam you are running. If you are running an aftermarket cam I would strongly suggest a steel distributor gear. You will have to buy that seperately but it might save you a lot of roadside dissappointment.

Clois Harlan

Austria_Cobra 03-05-2014 10:56 AM
HI Clois Harlan

OK, that means the SPF Smith tach can use the signal.

I have an aftermarket Cam installed.
Comp Cams FW 3317F/3318F HR110
- no more Infos....

needs steal gear or?

THX

but which one should I buy? I am thinking of the 8354

Austria_Cobra 03-10-2014 03:33 AM
There is a new (not on HP) ! 83541 with Steel gear.
Do not have an info from Comp Cams now....

Clois Harlan 03-10-2014 09:27 AM
I am checking with my builder...let you know asap.

Clois

Austria_Cobra 03-10-2014 10:42 AM
THX

Info from Comp Cams
Quote:
Hello
The cam you have is made out of austempered ductile iron. It is compatible with the OE distributor gears that came in the factory hyd roller engines. You may want to double check with MSD on the material the gear is made from, but steel should be fine.


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