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Old 05-13-2005, 06:53 PM   #1
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chip or speedcal?

I'm wanting to get some 3.73's in an 8.8" rear end.... I have an automatic. I heard the speedcal may not work with my car. If it did... which would be better, a chip or the speedcal? Anyone know where I can get a cheap chip, that's good.


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Old 05-14-2005, 05:41 PM   #2
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Speedcal type devices work in 94-98 autos, and 94+ 5spds, but not in 99+ autos. You'll need a chip or flasher to correct the speedo, send me an email if you want some info on the SCT stuff,
Justin Starkey
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2000 Mustang 3.8 A4 TT 450RWHP/475RWTQ 10.996@127 17psi stock 3.8
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2006 Mustang 4.0 M5 Vortech 13psi 395RWHP/374RWTQ wife's car
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