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Tach not working

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#1 (permalink)

09-18-2007, 07:17 PM

Mike Hausner Mike Hausner is offline

Club Cobra Member

Join Date: Dec 2001

Location: The Villages, Fl, Fl

Cobra Make, Engine: CLASSIC ROADSTERS 427 with a FORD 5.0 bored and stroked to 331cid, BRODIX alum heads, roller rockers, B303 cam.

Posts: 135

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Tach not working

My tach quit working. The needle started jumping even though I was crusing at a steady speed. Then the next time I ran the car it didn't work at all. I have heard of others having this problem - something to do with the MSD box.
I have a 331 SBF with an MSD distributor and 6a box. The tach is SW. Is this just a grounding problem (I hope)?

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