Speedometer off after procharger install.

[98BLKGT]

I have a 3.73 gear with a DM speedo calibration. After I installed my procharger with the diablo chip it came with, my speedometer reads less then what I'm really doing. Anyone hear of this problem?

 

[1fast03pony]

I have a 3.73 gear with a DM speedo calibration. After I installed my procharger with the diablo chip it came with, my speedometer reads less then what I'm really doing. Anyone hear of this problem?

sorry this is :OT: but im really considering a procharger 8 psi like yours. how do you like it!?

not sure what the speedo problem is, maybe the calibration was off in the chip.

 

[hotmustang331]

Did you tell procharger you had gears? if so, the had the chip made for 3.73s, then on top of the speed cal your reading way low....err keep both in there, you will rack up a LOT lees miles LOL, if you want it right, remove the speed cal.

 

[46autoxer]

Did you tell procharger you had gears? if so, the had the chip made for 3.73s, then on top of the speed cal your reading way low....err keep both in there, you will rack up a LOT lees miles LOL, if you want it right, remove the speed cal.

you could also adjust your speed cal via the dip switches until you get an accurate reading.

 

[98BLKGT]

I think I'll just try to remove my DM speed cal.

 

[98BLKGT]

sorry this is :OT: but im really considering a procharger 8 psi like yours. how do you like it!?

not sure what the speedo problem is, maybe the calibration was off in the chip.

So far so good but I think i'll have to get a dyno tune. I tend to loose power at around 5500 like not enough fuel or too much. But the power difference is night and day above 3000 rpm. Still very good daily driver when I keep it under 3000 rpm. Cant tell you about gas milage cause my speedo is off