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Correcting speedo for 4.11's without affecting custom tune??

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Old 03-08-2008, 06:38 PM   #1
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Default Correcting speedo for 4.11's without affecting custom tune??

I've got 4.11's in a 93 TA however the car has a 94-95 pcm so I should be able to plug in with a handheld tuner and correct the gear ratio. Whats the cheapest one that will allow me to correct this without affecting the custom tune?
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Old 03-08-2008, 07:32 PM   #2
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Yes any handheld tuner can do that for you. On price im not sure what the cheapest on is per say but you would do good to check ebay or the classifieds for them. Im sure you wont need anything fancy if thats all your wanting to do.
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Old 03-08-2008, 07:56 PM   #3
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Yeah the car already runs great and has been dyno tuned for its modifications, I just want to fix the speedometer but not affect anything else.
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Old 03-09-2008, 01:50 PM   #4
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No, you need to get the correct speedo gear still. OR mabey a digital speedo box.
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Old 03-09-2008, 05:40 PM   #5
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Still need the gear? Care to point me in the right direction as to finding one? I'm sure one of our fine sponsors carries what I need, or someone else.
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2002 Acura RSX 5 Speed- Borla Catback,AEM V2 intake

1993 Pontiac Transam- Flowmaster no cats, SLP headers, Taylor wires, ported heads and intake, ls1 air intake with smooth bellow, K&N filter, MSD ignition, Hotcam, aluminum flywheel, heavy duty valve springs, Moser 9", 4.11's, Detroit locker, McLeod clutch, custom tune..................... basically all boltons and more 380RWHP
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Old 03-09-2008, 10:14 PM   #6
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I dont think there is a speedo gear. Its all digital now and days
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Old 03-09-2008, 11:04 PM   #7
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i think you can go to your dealer and have them hook up the tech II and can change the ratio for next to nothing or if you no somebody that works at one do it on the weekend, it takes no time at all!
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Old 03-12-2008, 07:29 PM   #8
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I'm a salesman at a GM dealer, and was talking to our techs about it. Their computers can only set what was a factory option, so 4.11's aren't a choice.
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1993 Pontiac Transam- Flowmaster no cats, SLP headers, Taylor wires, ported heads and intake, ls1 air intake with smooth bellow, K&N filter, MSD ignition, Hotcam, aluminum flywheel, heavy duty valve springs, Moser 9", 4.11's, Detroit locker, McLeod clutch, custom tune..................... basically all boltons and more 380RWHP
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Old 03-13-2008, 10:38 AM   #9
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http://www.transmissioncenter.net/sp...__va.htm#700r4

OR

http://www.transmissioncenter.net/sp...____va.htm#era

http://www.geocities.com/crosley_az/700spd.htm
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