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BP highway RPMs

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  • BP highway RPMs

    Hey guys, it's been a while since I had my BP in my car, and got used to shift it by ear. I now installed an ebay tach, and I have doubts about its precision, compared to the engine sound. I get 3000 RPM at 120 Km/h (75 MPH) and the highest I've taken the engine, according to the tach, was 5000 RPM, after which I let go, as it sounded like it was spinning faster than that and was going to hit the fuel cut soon. And yes, I put the switch on the 4-cyl mode, and it's wired correctly, based on the many threads I read here. So can you BP guys with tachs give me a few examples of RPM/speed ratios? By the way I still have the stock Festiva tranny. Thanks!!!
    The left lane? Are you crazy!!! I never drive in the left lane...It's full of freaks driving the wrong way and charging right at you!!!

  • #2
    Doesn't matter what engine you have. It's the tranny that determines engine rpm while in motion. 3000 @ 75 sounds right to me.
    -Bryant

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    • #3
      3000 @ 75 mph is correct. 4000 @ 100 mph, and 4200 is 105 mph and that is the highest i have seen it go.
      The Festiva Store
      Specializing in restoration, tuning and custom parts.

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      • #4
        yeah, you're good to go. when i had the stock 1.3 in Scrappy, i would shift by ear. put the tach in and found that i was shifting at 3000 (sounded like it was going to blow up). swapped in the built 1.6 and the sound is TOTALY different. if i had the power, i wouldn't shift till 7500 (that's where it sounds good).
        Trees aren't kind to me...

        currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
        94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.

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        • #5
          i just use the fuel cut to tell me when to shift..
          YOU WILL HEINZ 57!!!!

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          • #6

            1988 323 Station Wagon - KLG4 swapped
            1988 323 GT - B6T Powered
            2008 Ford Escape - Rollover Survivor

            1990 Festiva - First Ever Completed KLZE swap (SOLD)

            If no one from the future stops you from doing it, how bad of a decision can it really be?

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