Not run more 80mph 240z - Page 2 - Engine & Drivetrain - Classic Z Car Club Skip to content

Not run more 80mph 240z

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The crazy tach sounds like your Pertronix has problems.  Try 3800 RPM in the other gears.  If it's tied to RPM that's a clue.  Same general idea as revving to redline, like Mark M suggested.

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