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Thread: How about a show your engine thread...?

  1. #181
    Join Date
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    My 22
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    U.S.C.G. Master Captain
    "Pioneer of insane speed concepts & creations"

  2. #182
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    Aug 2003
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    Ahh jeez,
    Now no one else can post....

  3. #183
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    Old School 454 Mag ;)

    Back when Purple was in!
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  4. #184
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    Here is the 377 Scorpion in the X-18

    Here is the 377 Scorpion in the X-18
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    U.S.C.G. Master Captain
    "Pioneer of insane speed concepts & creations"

  5. #185
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    Mr.X What's taking so long for your next masterpiece?...Ed

  6. #186
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    Before picture. After to come in 2018.
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    “Oh right, because you walked into strippers discount warehouse and said ‘Help me showcase my intellect.’” - Archer

    Bill
    Grand Rapids, Michigan
    1985 Donzi Criterion SS
    1967 Donzi 16 Ski Sporter, C16-409, Has a new home!
    38' Carver Aft Cabin
    1968 Sea Ray SRV 180 w/1975 70 hp Evinrude
    10" RIB w/15 hp 1984 Evinrude

  7. #187
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    Quote Originally Posted by Just Say N20 View Post
    Before picture. After to come in 2018.

    How did she run with that setup?

  8. #188
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    Mar 2005
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    LH TRS drive, 454, Stainless Marine dry exhaust, Holly 750, Weiand 174 supercharger, 5 lbs boost @ 5,300, EGT 1,100, AFR 11.7, w/ Hydromotive Q-IV 26.5" pitch; 76.5 GPS on Lake Michigan.

    The picture shows the engine with a Quick Fuel 1050 supercharger carb on it.

    Went to a 2.85" top pulley, which spun the blower to 14,700 at 5,700 rpms. Also added methanol injection, running 29%, so I wasn't using the methanol as fuel, mostly to cool the intake charge. Installed a temp sender in one of the intake runners, which showed the temp dropped from 190 to 110 when the methanol kicked in (had it boost activated). We never got this sorted out properly, and decided to go a different route with the engine.
    “Oh right, because you walked into strippers discount warehouse and said ‘Help me showcase my intellect.’” - Archer

    Bill
    Grand Rapids, Michigan
    1985 Donzi Criterion SS
    1967 Donzi 16 Ski Sporter, C16-409, Has a new home!
    38' Carver Aft Cabin
    1968 Sea Ray SRV 180 w/1975 70 hp Evinrude
    10" RIB w/15 hp 1984 Evinrude

  9. #189
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    Mercruiser cyclone

    Cleaned up before and after. 400 cyclone
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  10. #190
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    406 SBC stroker


  11. #191
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    Cool thread to bring back. So many of the pics are missing now though.
    Lake St. Clair, Lake Huron, Lake Erie, Lake Oakland

  12. #192
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    Quote Originally Posted by Jarhead24 View Post
    Nice. What kind of exhaust?
    Thank you, Patrick
    1994 18' Classic 350Mag Alpha

    Previously owned Donzis -
    1996 22' Classic, 502Mag Bravo
    1987 20' Minx, 350Mag Alpha
    1975 18' Classic, 350Chevy Volvo 280

  13. #193
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    X18

    Quote Originally Posted by Pat McPherson View Post
    Nice. What kind of exhaust?
    Gill exhaust. Thanks Patrick.

    Sean

  14. #194
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    considering a few options

    Quote Originally Posted by Jarhead24 View Post
    Gill exhaust. Thanks Patrick.

    Sean
    Researching the choices for a 350.

    I've used/had Gils and Stainless marine on Big Blocks over time.

    Harden seems to be the least expensive at $1600 but charges an extra $200 for coating for salt water and an extra $400 for the longer stainless risers.
    Stainless marine $2700 for basic kit so most expensive other than tubular headers.
    Eddie marine is $2000 with anodized manifolds and long stainless risers.
    Imco similar to Eddie but $2300

    Leaning toward the Eddie Marine...

    Thoughts?
    Thank you, Patrick
    1994 18' Classic 350Mag Alpha

    Previously owned Donzis -
    1996 22' Classic, 502Mag Bravo
    1987 20' Minx, 350Mag Alpha
    1975 18' Classic, 350Chevy Volvo 280

  15. #195
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    Spending money already Pat? That's the boating spirit.

    Personally I wouldn't worry about getting Hardin's coating, provided you flush after every use.
    I know most would disagree with that, but I steadfastly believe, that salt water is not the killer that most make it out to be. Lack of flushing afterwards makes it a killer.

    On my 16, I had aluminum log manifolds, aluminum jet drive, aluminum drive impellor and aluminum intake (with open water passages).
    I had those same items for the whole 18yrs I had the boat and there was absolutely no sign of corrosion on any of it. (And unlike my current boat, I used that one A LOT).
    I didn't boat entirely in salt, but a good estimate would be 40% salt, 40% brackish, 20% fresh.

    Anyways, that's my 2 cents.
    Why is faster never fast enough.

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