Harlan shift light question
06-18-2006, 08:28 PM
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Harlan shift light question Alright i just added H/C/I to my SS and the tach is very slow in 1st and 2nd gear, it cant catch up with the high revs and I bought a Harlan Shift light and was wondering if the shift light read off of the Tach or the engines actual RPMs. Thanks in advance
