To correct the speedo you need the speedcal the cost about $100.00 you can get them through www.Dallasmustang.com.Does your car still have the irs? If it does it is a lot harded to set up then a 8.8 live axle.Tim
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1999 Mustang Cobra
Solid Axle w/ 4.56's
Magnaflow Cat-Back
Dr.Gas O/R X-Pipe
JBA 1-5/8ths Shorty Headers
Homemade Powerpipe
March Pulleys
JMS Chip
Steeda Tri-Ax Shifter
Best E.T. w/ parts listed & BFG 275/40/17 D/Rs (10-26-'02; not including JMS Chip)- 12.95 @106.82, 1.79 60FT.
Best MPH- 107.43
New Best MPH (4-26-03)- 109.45
316 RWHP/ 309 RWTQ
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