Wasted Income's LSx into an Avenger Jet Boat Build - Page 11
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Wasted Income's LSx into an Avenger Jet Boat Build

  1. #141
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    Quote Originally Posted by Wasted Income View Post
    The valvetrain is good to 7000+. I think it would hold together to 6200 sustained for awhile with some rod bolts, and maybe some forged pistons/rods. I got rid of the truck intake because it's fugly. Please explain how drive by wire would help anything? The MAF can kiss off, because i've had plans to turbo this thing from the start
    How big is your DBC throttle body? 78 mm? The GENIV truck intake/TB/MAF is 90 mm. The only way to get that big on cable is to go with an aftermarket unit. Then you can go bigger and DBW is no longer superior, because you can go 102? mm aftermarket.

    The intake is fugly, I'll agree with that (make some kind of cover), but it's superior - especially to a LS1 intake. It's a quick and easy swap for you. Try it someday for shits and grins. I bet you pick up RPM's....

    I've seen flow numbers for the OEM intakes. I'll go searching and report back if I find them again....
    Last edited by waynehartwig; 12-11-2010 at 11:18 AM. Reason: correct the stock tb size

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  3. #142
    Swollen Member Wasted Income's Avatar
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    Quote Originally Posted by waynehartwig View Post
    How big is your DBC throttle body? 78 mm? The GENIV truck intake/TB/MAF is 90 mm. The only way to get that big on cable is to go with an aftermarket unit. Then you can go bigger and DBW is no longer superior, because you can go 102? mm aftermarket.

    The intake is fugly, I'll agree with that (make some kind of cover), but it's superior - especially to a LS1 intake. It's a quick and easy swap for you. Try it someday for shits and grins. I bet you pick up RPM's....

    I've seen flow numbers for the OEM intakes. I'll go searching and report back if I find them again....
    Stock TB is 75mm. Swapping the intake back to a truck intake would be the easy part...having to re-tune the VE table for the swapped intake wouldn't be worth it. If I was going to go to the trouble, I would swap to the Edelbrock Pro-FLow XT, which I am thinking about doing for this season. Looks and performance.

    1975 CeeBee Avenger 18' - 6.0L LSx, 12JG

    2002 Sunsation 288


  4. #143
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    That's a nice looking intake! Glad to know there is a truck style one... I've only seen the car versions

  5. #144
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    Quote Originally Posted by Wasted Income View Post
    I bought a set of Hardin 351C manifolds from Tom at Jetboat Performance, and have snails on the way as well. Gonna drill my heads to make these fit, as I've seen done before.

    Will post more pics of my progress soon. I think i also found a cheap set of 243 LS6 heads, so I may swap those on too, in order to bump up the compression from 9.5 to 10.5.



    Just wondering if the 351 C.. has the same pattern as the 351 W.. and 302.
    Found a pair says Fits 351 Windsor and 302.
    Jus dont wann buy if the pattern isnt the same.
    Thanks

  6. #145
    Swollen Member Wasted Income's Avatar
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    Sorry man....i'm no ford guy...I am gonna punt to the experts.
    1975 CeeBee Avenger 18' - 6.0L LSx, 12JG

    2002 Sunsation 288


  7. #146
    Senior Member slow67's Avatar
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    Quote Originally Posted by Chris1530 View Post
    Just wondering if the 351 C.. has the same pattern as the 351 W.. and 302.
    Found a pair says Fits 351 Windsor and 302.
    Jus dont wann buy if the pattern isnt the same.
    Thanks
    No, they are not the same.

  8. #147
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    Cool thanks.. thought i scored for a minute

  9. #148
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    Default I just went from 6 to 12

    LOL This thread made me register! MAJOR KUDO'S for this undertaking! What flywheel/flexplate/starter did you use? I am planning on doing 2 twin turbo lq4's in my 272 sr1 formula.
    Are there any issues with water reversion with that cam? Im assuming it's a car spec'd cam being it was put in that TBSS. I don't know if that's even an issue like it'd be on a std manifold I/O application(if it would be anyways).
    I agree 1000000000000% with doing as cheap as possible!

  10. #149
    Swollen Member Wasted Income's Avatar
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    Swap Insanity: An LS-Powered Jet Boat - LSXTV.com

    Write up they did on my boat for LSXtv
    1975 CeeBee Avenger 18' - 6.0L LSx, 12JG

    2002 Sunsation 288


  11. #150
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    Don't know if you're still checking in on this, but I'm in the midst of putting one in my Glastron Carlson CVX-20 jet. I was wondering how you did the gauges? Do they make metric sending units?

    I went with the PCM exhaust on mine since it's under an engine cover, they make O2 sensor bungs for them, they line up quite nicely with the exhaust tips in the boat.

    I totally lucked out on the motor mounts. The boat had a 460 stock with the shorter Rockwell driveshaft. Running a Spicer driveshaft allowed me to simply make adapter plates and drop it right in.
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  12. #151
    Senior Member sandeggo's Avatar
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    I went with auto meter gauges and just ran adapters to metric from some off brand company, I'll look for the name.

    Edit: equus metric adapter kit #9848
    It cost about 8 bucks. Comes with a bunch of fittings you won't use.
    Last edited by sandeggo; 01-08-2012 at 04:26 PM.

  13. #152
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    Quote Originally Posted by sandeggo View Post
    I went with auto meter gauges and just ran adapters to metric from some off brand company, I'll look for the name.

    Edit: equus metric adapter kit #9848
    It cost about 8 bucks. Comes with a bunch of fittings you won't use.
    O'Reilly in Rowlett shows that Equus part James. Not in store but they can have it for you in 24 hrs. $11.99

  14. #153
    Senior Member sandeggo's Avatar
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    I think I got mine next day off amazon

  15. #154
    Senior Member slow67's Avatar
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    I would get online and order a steel adapter for the water temp. The head is 12mmx1.5 and the sensors are usually 1/8 npt, but you have to drill out the adapter to get the probe through, and the brass gets REALLY thin, and breaks easily.

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