RPM at 190 mph?

Discussion in 'PSI Superchargers Tech Questions' started by gt_diesel, Jul 23, 2009.

  1. gt_diesel

    gt_diesel New Member

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    I am going to run 1/4 mile for the first time with my new setup and was wondering if I could get a guess on what my rpm will be.

    The car should be running between 185 and 195 in the 1/4.

    Running a Lenco, 4.30 rear gears, 34.5 goodyear 1022's.

    Last season I was running 4.30 gears, 33" MTs, with a glide... It was going 8300 rpm @ 184mph.

    I know there are calculators but most dont have accurate tire growth... Hoping someone has similar gearing, tires, and MPH.
     
    #1
    gt_diesel, Jul 23, 2009
  2. James D

    James D New Member

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    4.30's 34.5 Hoosiers @197mph = 7800-7900 for me with a convertor
     
    #2
    James D, Jul 23, 2009
  3. 3-D

    3-D Member

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    i run a M/T 34.5 with a 4.10 gear, 7277 motor rpm and 7170 driveshaft rpm, with a converter at 195-197 mph. The converter is a Hughes 6 leg billit piece and is SWEET. right at 1% slippage!!!!!!!!!
     
    #3
    3-D, Jul 27, 2009

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