using Defi Tach, not sure if setup is right

Discuss the RB20, RB25 and RB26 series engines.
monkeyofdrift
Posts: 105
Joined: Wed Jul 06, 2005 6:18 pm

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I have a RB25det, my question is that on my S14 stock cluster, i'm using a after market tach from Defi, and the unit is set for 6 cylinder. but the defi tach gauge looks like it isn't reading right and the stock is (feels like over reving ). the defi is off by 1-2k, what the person did was tap the defi tach off the 240's cluster. Do I have to setup the defi tach for 4 cylinder instead of 6.

thanks for reading.


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