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  1. #1

    Hello, my 78 Sonic 496 build!

    Hello, New to the board, and happy to be here! Hope to meet alot of new friends!
    I bought a 78 Sonic jet, with a blown up "van" 350, for a song and dance!
    Paint and interior already done, so my project revolves around my new power plant!
    Hope to learn alot from the experienced hot boaters on here, and always open to advice and opinions!
    We begin.....
    I bought this boat for $2000, local to me on Lake Hartwell, on the SC/ GA line.
    Now... how the hell do I post pix from my phone!!!!
    LOL!
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  2. #2
    First thing...... pull the old shitty motor!!!

  3. #3
    First thing...... pull the old shitty motor!!!
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  4. #4
    Now time to start gathering parts!!!!!

  5. #5
    Found a nice mark IV 454, '90 model, 4 bolt main! $500 with a box of parts, AND an Eagle cast crank! Going to sell the crank, that should help deferre cost a tad
    Anyone need it? Std. Std., perfect shape, and stronger than factory cast cranks.
    Had the radiused oil holes, chamfered journals, and a clean casting look!
    Anyhow.... let me know.... moving on...
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  6. #6
    Now to the good stuff!!!
    Ordered my Scat fully forged rotating assembly, and alanced. H- beam forged rods, 18cc forged pistons, all bearings, and rings- so getting ready!! $1800 on a deal, but still adding up.....
    When I get it, I'll post pix.
    Hoping to stay pump gas friendly.....

  7. #7
    Now to the good stuff!!!
    Ordered my Scat fully forged rotating assembly, and alanced. H- beam forged rods, 18cc forged pistons, all bearings, and rings- so getting ready!! $1800 on a deal, but still adding up.....
    When I get it, I'll post pix.
    Hoping to stay pump gas friendly.....

  8. #8
    My buddy/ best frirnd/ brother just donated a set of Dart aluminum high rise valve covers!!!
    Oh yeah!!! Just need to sand and polish them up, now!!!
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  9. #9
    Looks like it's coming together nicely


    Sent from my iPhone using Tapatalk

  10. #10
    Wow, like deja vu all over again....I too had a 78 Sonic which I sold to a guy up that way. Sadly, he came to a tragic end, not boat related. The boats have an interesting history. They were. (so the story goes), used by the Coast Guard in south Florida as interceptors. In fact, when I owned it, (I suspect it's the same boat), it was a pale blue to the water line with a white deck. The bottom of the hull was just black gelcoat, like yours. It had a small chip on the dash, which revealed a "Coast Guard" orange underneath. I suspect, it was an orange stripe like the Coast Guard used. I owned several jets over the years, and that one is the only one I wished I had kept. Kind of a gull wing design, the ride was exceptional. I'll try to find an old pic of it and post if I can. I'm in Acworth, Ga, and if I can help you in any way please let me know.

 

 

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