This is topic Rear gears on a 04 GT, reacal speedo in forum Tech Talk at Northern California Ford Owners .
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Posted by SVOMIKE (Member # 2345) on
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My friend wants to put 3.73's in his 04, how does he recalibrate his speedo afterwards for the 3.73 without buying that 400 superchips pc?
Posted by JohnB (Member # 969) on
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Buys a cal-box from Brothers performance for around $90...and it plugs right in.
Posted by SVOMIKE (Member # 2345) on
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ok, whats their sight?
Posted by Black94 5.0 (Member # 655) on
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www.dallasmustang.com have the "SpeedCal" for $89.97
Posted by yesIdid (Member # 58) on
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want to buy mine (Speedcal)?
it's already setup for 3.73s; I just need to uninstall it. let me know...
Posted by SVOMIKE (Member # 2345) on
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how much u want for it?
Posted by yesIdid (Member # 58) on
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I'll let it go for $40
I live in Fremont
Posted by SVOMIKE (Member # 2345) on
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ill ask my friend
Posted by SVOMIKE (Member # 2345) on
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he says hell take it, can i get your number so he can call you.
Posted by yesIdid (Member # 58) on
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sent u a pm
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