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Tuning this 3.0 on SUs...

oranngetang
in Carburetor Central

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Factory Tachs can be notoriously inaccurate.. but they do have an adjustment on the back. I would confirm RPM's with a second digital Tach. If they match then you may want to consider adjusting your dash tach.

 

What ignition are you currently running?

  • Author

Factory ignition, MSD Blaster 2 coil / ballast, Pertronix Ignitor points replacement.

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