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its been a long 3 hours

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Old 01-26-2007, 12:24 PM
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to check speedo, get 2 cars side by side with cell phones

Looks nice
Old 01-26-2007, 12:31 PM
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Originally Posted by leftd90
I havent noticed the speed being off at all but I havent gone faster then 40 yet. I will get a better feel for it throughout the day.
Tony
Youd have a really damn good butt speedometer if you can "feel" that small difference accurately, since the scale looks to be only off by 12.5%

that would roughly equal 65mph to show as 70mph on the new cluster, depending on how the gauge and pcm interact with each other
Old 01-26-2007, 12:33 PM
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was there a part number on the back of the gxp overlay?
Old 01-26-2007, 02:13 PM
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Originally Posted by its840
cant ya take the gxp unit apart and place the cluster in the stock houseing? but leave all the stock electronic in it..

looks like it might be doable. but idk
yeah i can do that but in my stock housing, i have lights that are burnt out. so i wont want to put the cluster in the old housing.

and for the part number, i will look and have one for you later on when i tear it apart again.

tony
Old 01-26-2007, 02:15 PM
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i still really dont get how the MPH would be off though? can someone explain it to me. Its still using the GXP circuit board...


tony
Old 01-26-2007, 02:26 PM
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Originally Posted by leftd90
i still really dont get how the MPH would be off though? can someone explain it to me. Its still using the GXP circuit board...


tony
it depends on where the speed is calculated.. the speed may be calculated in the IPC or it might be calculated in the PCM... i do not know for sure... you should test it since we dont know..
Old 01-26-2007, 03:15 PM
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well whats a good way to test it?

tony
Old 01-26-2007, 03:17 PM
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look above..

best way would be to plug a scantool in and watch the scantool and watch the speedo at the same time
Old 01-26-2007, 03:19 PM
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yeah i know that, but i dont really have these available to me.

tony
Old 01-26-2007, 04:09 PM
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use a GPS ..... and if you fond that you can make the whole GXP cluster work i can have the miles reprogrammed. If you end up not using it i'll take it off your hands


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