Installed MSD6AL, tach is everywhere now
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Joined: Aug 2002
Posts: 2,633
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From: Toronto, Ont
Installed MSD6AL, tach is everywhere now
What gives? I just installed a new engine and with that came this MSD 6AL box. It has the 6k rev limiter chip. When I hit the pedal from a stop, the rpm's climb fine. But once they get to around 3500-3800, the tach goes all over the place. How do I fix this? I thought I read somewhere that this may happen but I don't remember how to fix it.
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Joined: Jul 2005
Posts: 345
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From: Indiana
Car: 87 trans am
Engine: 350 TPI bored .040 over
Transmission: modified 700r4
Axle/Gears: stock spline, 3.73 Eaton posi
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