Quote:
Originally Posted by dwnshft2drft
Do you still have that old thread? Thanks
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Just search for 240sx speedometer calibration and it'll come up. Main info is the % values for each pin. Look at what are set from factory, then figure out what combo works to get your desired change.
Here is one of the top results.
https://forums.nicoclub.com/s13-and-...p-t618567.html
So for example, pin 7 was only one soldered together. #7 = -12.4%
Difference going from 4.08 to 3.69 is +10%. So -12.4 + 10 = -2.4
Figure out what combo of pins gets you to -2.4 (so 0, 3, 4)
Desolder pin 7, and put a dab of solder on pins 0, 3, & 4.
In my case, I had extra math since I'm running 245/40R17 tires instead of the stock 205/55R16. Those are -0.8 smaller than stock. So to get mine correct: -12.4 - 0.8 + 10 = 3.2
There's 4 part numbers for S14 gauge clusters, so you need to base adjustments on whatever the starting point is on your cluster.