How fast is your Jetboat?
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How fast is your Jetboat?

  1. #1
    BTC cardcarrying member sunkisst's Avatar
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    Default How fast is your Jetboat?

    Lets talk engine size and design,ie ...CID,
    Comp ratio,impeller. Fuel...
    Hull design.Just curious where

    I stand.I will start now,81 Sunkisst Gullwing,87 octane,AA aluminum,461,.030 over 454 Chevy.2 bolt ,flat tops,Edelbrock oval port heads.Guessing about 8.5:1.to 9.5:1..Crower .630 lift solid roller.107deg. lobe seperation. Dart intake ,850 Holley DP.Ran top speed last Sat.87.3 mph GPS...edit...2 degree up wedge,rideplate,stuffer&shoe...
    Last edited by sunkisst; 03-12-2009 at 06:53 PM.

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  3. #2
    Senior Member Futs's Avatar
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    Quote Originally Posted by sunkisst View Post
    Lets talk engine size and design,ie ...CID,
    Comp ratio,impeller. Fuel...
    Hull design.Just curious where

    I stand.I will start now,81 Sunkisst Gullwing,87 octane,AA aluminum,461,.030 over 454 Chevy.2 bolt ,flat tops,Edelbrock oval port heads.Guessing about 8.5:1.to 9.5:1..Crower .630 lift solid roller.107deg. lobe seperation. Dart intake ,850 Holley DP.Ran top speed last Sat.87.3 mph GPS...edit...2 degree up wedge,rideplate,stuffer&shoe...
    What RPM?

  4. #3
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    18ft bahner bubble deck ,468 w/mickey charger ,bush wacker diverter.and a bimini top 85 mph.
    The car on the road next to the lake was going 80 and i past him

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    Senior Member Futs's Avatar
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    79 SWTD 548 chevrolet afr heads custom cam duel domis pump gas mpd prepped pump runs over a hundie at 6200 rpm

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    Senior Member UNASHAMED's Avatar
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    86 TX20 youngblood 562. Lots of cool shit, svo block J&E, Crower, cobra jet heads, dominator pump, rpm varies and my good friend nos.... well over a hundie
    "Don't make me get my penguin"

  8. #6
    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by UNASHAMED View Post
    86 TX20 youngblood 562. Lots of cool shit, svo block J&E, Crower, cobra jet heads, dominator pump, rpm varies and my good friend nos.... well over a hundie
    A Ford guy.... they let Ford guy's in here ?

    S CP

    Big Inch Ford Lover

    "Dark Sarcasm"
    Going fast is only half the fun ... what you make go
    fast is the other half.
    " A Government big enough to give you everything you want is big enough to take away everything you have"

  9. #7
    i got skiillllzzzz.... fast76rogers's Avatar
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    1976 rogers bonneville tr 19,weight heavy,489 bbc ,805 hp,berkley b imp. ,droot,funky ride plate,last run was 92.7.will have new set up done in two weeks.hope i will run over 100mph.

  10. #8
    Sit N' Spin Jetaholic's Avatar
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    Well mine ain't doin' shit at the moment (blew the motor...workin' on a new one). But when she WAS running...

    18' Marlin Tigershark (close to a Tahiti Tiger copy)

    Chevy 454, 9.5:1 comp, estimated 500hp

    With a loader, an Aggressor droop w/2* down wedge, and an American Turbine AB cut impeller she ran 79mph GPS @ 5400 RPM with no shoe or ride plate.



    Quote Originally Posted by HammerDown
    Kendall L-427 Super Blu...extreme-pressure (ep) lithium complex keeps my thrusting balls happy
    Quote Originally Posted by back2k5 View Post
    Well I am putting in a nice stereo system in the Carrera...maybe Ill put on some rap and turn the scoop sideways

  11. #9
    Senior Member Boat 405's Avatar
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    19 daytona, 740 hp, best of 9.24 in the quarter. 114mph. 395lb hull

  12. #10
    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by widowmaker View Post
    19 daytona, 740 hp, best of 9.24 in the quarter. 114mph. 395lb hull
    How much Nos ?

    S CP

    "Dark Sarcasm"
    Going fast is only half the fun ... what you make go
    fast is the other half.
    " A Government big enough to give you everything you want is big enough to take away everything you have"

  13. #11
    Senior Member Futs's Avatar
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    Quote Originally Posted by Sleeper CP View Post
    How much Nos ?

    S CP
    none, all motor!!

  14. #12
    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by Futs View Post
    none, all motor!!
    Very efficient boat

    Oh yeah mine: Not as fast or quick as Bosticks G/W



    And 3mph short of the goal:



    And it only takes 450+/- more hp to run 5 mph slower than widowmaker

    Sleeper CP
    Big Inch Ford Lover
    Last edited by Sleeper CP; 03-12-2009 at 10:47 PM.

    "Dark Sarcasm"
    Going fast is only half the fun ... what you make go
    fast is the other half.
    " A Government big enough to give you everything you want is big enough to take away everything you have"

  15. #13
    B.A.M aka "Black Azz Mike 396_Ways_To_Spit's Avatar
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    Quote Originally Posted by UNASHAMED View Post
    86 TX20 youngblood 562. Lots of cool shit, svo block J&E, Crower, cobra jet heads, dominator pump, rpm varies and my good friend nos.... well over a hundie

    No way! That cant be right!!!!!! How can you run over a hundie with a hole in the piston Jusss playin, did you find out what the problem was?
    G H E T T O F O E L I F E
    Quote Originally Posted by cave View Post
    They bout shit themselves when yelled in Messican, "No brakes no brakes."
    I showed them all the sticker on the side that reads "Driver Ricky Bobby" They just looked at me and nodded yes yes
    Quote Originally Posted by Kyle View Post
    Some peeps just build it 1 part, 1 week, 1 paycheck at a time

  16. #14
    B.A.M aka "Black Azz Mike 396_Ways_To_Spit's Avatar
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    My turn....

    1980 sunkisst gullwing 525lb lake layup(heavy bottom and potatoe chip sides and deck) Filled with grape soda and slices of watermelons
    MOTOR
    454 mag motor(stock)8.5-1comp,stock rec port heads,stock rockers,stock hyd roller,Steel crank,Forged pistons,Msd ign,Dry Bassetts, with a weiand 177 blower(450hp est.),single Holley 800dp

    PUMP
    berkeley pump set @ 4.5* ,2* tapered shoe 0.125 in the hole, custom loader
    17-4 shaft,jetaway,double drilled suction/bowl, worked bowl,dominator fully detailed "B",D.P.S Inducer,Detailed AT Droop, Place Diverter,


    Not GPS'd yet. Running somewhere in the 80's



    Going to a stock BBC 330hp motor so it will be safer
    G H E T T O F O E L I F E
    Quote Originally Posted by cave View Post
    They bout shit themselves when yelled in Messican, "No brakes no brakes."
    I showed them all the sticker on the side that reads "Driver Ricky Bobby" They just looked at me and nodded yes yes
    Quote Originally Posted by Kyle View Post
    Some peeps just build it 1 part, 1 week, 1 paycheck at a time

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