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swapping

  1. Prop swapping

    Propellers
    24ft Carrera Classic, 454 w/ Bravo 1 1.50:1 gearing. Ran it with a 26" 4 blade prop and couldn't spin above 3200rpm. Took it out yesterday with the 23", 3 blade and it spun right around 4800rpm. Now my question. I want to be able to get out of the whole with a few riders and am looking to have...
  2. swapping out to a mech pump

    Jet Boats
    im planning on changing out my 15 year old factory gm electric fuel pump to a mechanical fuel pump. it is finally taking a crap on me. i have a bbc 454 +.30 over, mild cam, 9.5/1 compression gm hi perf iron large oval port heads with a "stage one" port n polish (according to Santa Ana Speed...
  3. Swapping the EFI system off a 98 502 to a carb'd 454...

    GN7 On the Dyno
    One of my buddies has a Baja with a carb'd 454, and he just bought an injection system off a 98 502. Im assuming the 454 has no provision for like a cam position sensor or anything. How hard is it going to be to swap this crap over? thanks, Jeff
  4. Holley DP carb parts swapping?

    GN7 On the Dyno
    Can I replace the carb base plates on my Holley 4781-2 carbs to get the newer style linkage on them or are the bodies of newer/older 4781 carbs different also? The pics are the style that I have and want to change. Thanks
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