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  1. KB91Notch347

    Help with Codes 63 & 98

    I'm experiencing the typical intermittant high idle and rough running conditions. The codes I have are 63 which I think is the TPS set too low. I have searched and found some good info on this. However, what is code 98 (Failure Mode Effects Management - hard fault present)? Is this due to...
  2. KB91Notch347

    Mustang Computer Tuner Near New Orleans Wanted

    I'm looking for someone local to do a custom tune on my '91. After I put in the 347 about a year ago it ran VERY lean (~17:1 a/f; 300 RWHP at 5,000rpm). Now it seems (I haven't gone back to the dyno) to be running rich. See additional details in signature at bottom. Thanks, Kevin
  3. KB91Notch347

    Any thoughts on this engine combination?

    1991 LX Coupe (original owner w/ about 92,000 miles) CHP 347 10.5:1 compression Victor Jr. o-ringed heads Crane cam: duration = 232/244 @ .050 lift = .563”/.595” 112 LSA New BBK SSI-Series Intake w/ 75mm throttle body opening 30lb fuel injectors Pro-M 95mm MAS BBK 1 5/8” long tube...
  4. KB91Notch347

    Took 347 to dyno - running lean

    Took my car to the dyno on Thursday. I'm running big time lean so I only did one pull. Also, because of the MSD box the RPMs were jumping all over so I couldn't get a very accurate torque number. Had I done another pull they said they could have changed the hookup for the RPM reading but since...
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