IS IT NORMAL TO HAVE 4000RPM AT 60MPH 93 ...

  • Tiny
  • Anonymous
  • 1993 GMC
  • 200 miles

Is it normal to have 4000rpm at 60mph 93 topkick5500

Wednesday, January 9th, 2013 AT 1:12 AM

1 Reply

  • Tiny
  • hmac300
  • Expert
  • 44,425 posts

Cold be what is your gear ratio and has it always been there?

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Wednesday, January 9th, 2013 AT 3:52 PM

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