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Unread 10-28-2001, 05:12 PM   #1
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Join Date: Oct 2001
Posts: 1
Tach fix for YJ

Just installed small block chevy with HEI ignition in 1990 YJ. Need help trying to get the Tach to read correct RPM. Jeep previously had a 4 cyl in it. RPM seems to be double what it should be.

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