ls1 tacho

[boost is good]

just put a LS1 into my GQ but the tacho doesnt work. worked perfectly with the 4.2 carby engine , have hooked up an aftermarket tacho to the pcm and it works but would prefer to use the in dash 1.. any suggestions? does it need a pull up resistor or something?

[PGS 4WD]

I had to change the tacho head in mine. The output and calibration are both wrong. It may be possible with a VDO step box, or two, to rectify the callibration and the voltage threshhold. Call Lonsdale auto electrical in Dandenong.

Joel

[boost is good]

thanks .. I have vcm suite so i can change the pcm output to calibrate it but that wont help while the needle doesnt move.. figured that seeing a set of points used to run it it shouldnt be too hard to get working..

[PGS 4WD]

I think the LS1 ecu only outputs at 5v, many tacho's need 9 or more.

[zackde]

I installed one of these buying it was no problems was delivered in 5 days has not missed a beat.
cheers Zack

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