C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Better gearing

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Old Aug 27, 2014 | 03:51 PM
  #21  
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WVZR-1
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What size tire do you actually have and you're using the original cluster mounted tachometer?
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Old Aug 27, 2014 | 04:04 PM
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Originally Posted by WVZR-1
What size tire do you actually have and you're using the original cluster mounted tachometer?
Stock tyres 275/40/17 and yes original cluster , Gear vender just sent me a tex Something is diff slipping there money is on the torque converter.
Can these be tested on the car ,and will they want the spec ,
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Old Aug 27, 2014 | 04:13 PM
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From: Glenbeulah Wi
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Originally Posted by paul buckner
Thanks I will have to look into this , no a/c pump still has the pulley but no pump , car runs Fast XFI computer , the original PCM is still connected as it still runs the speedo . Will have to find somone over here that knows what there doing as fas as PCM , way out of my capability ,
Iam ok with spanners by stay away from anything with electrickery .
Thanks again paul
With the fast XFI you can hook it to your lap top and data log it and that will show your RPM in real time. It is very easy to do. All you need is the free software from fast and the serial cable with usb adapter for the XFI.
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Old Aug 27, 2014 | 04:20 PM
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Originally Posted by bjankuski
With the fast XFI you can hook it to your lap top and data log it and that will show your RPM in real time. It is very easy to do. All you need is the free software from fast and the serial cable with usb adapter for the XFI.
Thanks for that imfo I have the Disc which came with the FXI it's what the guy that tuned it used on the rolling road dyno is that the disc your talking about , no lap top just iPad . Thanks Paul
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