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Thread: GPS'd My Nordic Bubble Deck..Need Help

  1. #1
    TJS
    Here is my combo. 1977 Nordic Bubble Deck. 454 .030 over. Brodix Heads BB-2's, Comp Cam Roller cam.Bblueprinted Berk pump JG, UWR, and a Dominator B Impeller. Basset OT headers (no baffles) and a banderlog valve. It has a shoe and rideplate as well with a loader grate. For this test I have the ride plate at 0 degrees. I have not yet adjusted it at all. Also have a manual place diverter with a 4 degree wedge. Aig gap intake and Pro-form 850 Carb. MSD 7AL with MSD Pro-Billet Dist. (35 degrees all in by 3000 RPM's, according to the MSD Chart). MAX RPM is 5900. It revs up nice and quick from idle to 5900. I can sometimes unload the pump if I really hammer it. Anyway, with full tanks of gas (21 gals) and 485 lbs of people (2 of us) and the diverter set about one notch up from the middle I was able to GPS 4 times in a row a Max. speed of 73 MPH. I must say it is humbling to GPS your boat. I want to get 80 MPH out of this thing. I know I had a lot of weight in this boat, but where do I start to play with the ride plate and such.
    I think the bottom of the boat has been re-worked by the previous owner. I do not see a lot of hook in the boat either. Any help with settings would be appreciated.
    T.J.
    www.tjsperformance.com

  2. #2
    DelawareDave
    You may want to raise the ride plate up a bit. If it keeps too much of the boat wet, it will scrub some speed.
    Purely speculation on my part, anyway.

  3. #3
    junkyardhunter
    FYI 2 fat guys & a full tank of gas will slow you down.

  4. #4
    OverKill
    Put the ride plate up 2 degrees, that should be fine. I set mine at 2 degrees and rides real nice. Only the back 3 feet of the boat is in the water at WOT.
    OverKill

  5. #5
    TJS
    FYI 2 fat guys & a full tank of gas will slow you down.
    Umm. We are not (I am only 230). It's the passenger.
    T.J.

  6. #6
    HM
    at WOT.
    Is that the same thing as having your boat set on kill?

  7. #7
    Senior Member
    Join Date
    Dec 2009
    Posts
    648
    gps's humble all for what it's worth i'm spinnin a "b" to 5300 and can't kill 70 mph.

  8. #8
    OverKill
    Is that the same thing as having your boat set on kill?
    Of course, the hole damn boat is OVERKILL

  9. #9
    camoman
    Here is my combo. 1977 Nordic Bubble Deck. 454 .030 over. Brodix Heads BB-2's, Comp Cam Roller cam.Bblueprinted Berk pump JG, UWR, and a Dominator B Impeller. Basset OT headers (no baffles) and a banderlog valve. It has a shoe and rideplate as well with a loader grate. For this test I have the ride plate at 0 degrees. I have not yet adjusted it at all. Also have a manual place diverter with a 4 degree wedge. Aig gap intake and Pro-form 850 Carb. MSD 7AL with MSD Pro-Billet Dist. (35 degrees all in by 3000 RPM's, according to the MSD Chart). MAX RPM is 5900. It revs up nice and quick from idle to 5900. I can sometimes unload the pump if I really hammer it. Anyway, with full tanks of gas (21 gals) and 485 lbs of people (2 of us) and the diverter set about one notch up from the middle I was able to GPS 4 times in a row a Max. speed of 73 MPH. I must say it is humbling to GPS your boat. I want to get 80 MPH out of this thing. I know I had a lot of weight in this boat, but where do I start to play with the ride plate and such.
    I think the bottom of the boat has been re-worked by the previous owner. I do not see a lot of hook in the boat either. Any help with settings would be appreciated.
    T.J.
    www.tjsperformance.com Ok now you have a baseline to go off of lose the other person and half the fuel and work on your hardwhere:idea: I say start at 2 degrees and work up with 1/2 degree at a time to see what your boat likes. Some like 2 degrees some like 4 or 5degrees:idea: 80 shouldnt be that hard to get out of your rig with a little setup

  10. #10
    junkyardhunter
    Umm. We are not (I am only 230). It's the passenger.
    T.J.
    I hear ya.

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