Exhaust log question
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Exhaust log question

  1. #1
    History Repeating Storz's Avatar
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    Default Exhaust log question

    Couple quick questions, switching back over to logs from OT headers....

    Are the bolts that hold the log to the block anything special or can I find them at home depot etc? I want to buy a new set instead of reusing what was on there. Stainless of course...

    Any recommendations for a manifold gasket?

    Thanks
    '84 Laser LTV - Restoration in progress
    '77 Caribbean

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    Senior Member DuaneHTP's Avatar
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    Stainless will work.

    NO Gaskets-use Hi-Temp RED Silicone only.

    Duane HTP

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    tintingsandiego krusn56's Avatar
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    I have ss allen on mine....Home D is limited so you might want to try your local hardware. I also run a good set of felpro on mine to ensure no leaks but I also have the through bolt. I never had any luck with the small flange ford logs. I had to make a special wrench just to tighten them.
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  6. #4
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    Good info, thanks!

    Anyone know an east coast retailler that sells the butterfly type flappers?
    '84 Laser LTV - Restoration in progress
    '77 Caribbean

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    Quote Originally Posted by DuaneHTP View Post
    Stainless will work.

    NO Gaskets-use Hi-Temp RED Silicone only.

    Duane HTP
    I got some nice stainless allen heads from my local hardware store, I use hi temp Copper Silicone. Never had a problem.

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    Senior Member Jetboat Jared's Avatar
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    why dont you use gasket thats what i use and have had no problems

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    Couple more questions...

    1 - what is the best way to cut the hose that connects the snails to the tips?

    2 - best way to make the hole in the transom for the tips bigger?

    3 - some of the threads on the head feel a little crappy when I try to screw a bolt in there, anything I can do to smooth it out?
    Last edited by Storz; 08-16-2010 at 06:43 PM.
    '84 Laser LTV - Restoration in progress
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  10. #8
    tintingsandiego krusn56's Avatar
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    Quote Originally Posted by Storz View Post
    Couple more questions...

    1 - what is the best way to cut the hose that connects the snails to the tips?

    2 - best way to make the hole in the transom for the tips bigger?
    I used a hacksaw to cut....just make sure you get a good measurement. Sometime you need to have an angle depending on location.
    I have used a dremel and air tools(bigger bits). Get some marine silicone to install tips/bolts.
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  11. #9
    History Repeating Storz's Avatar
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    Got any pictures of your set up Krusn?
    '84 Laser LTV - Restoration in progress
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  12. #10
    tintingsandiego krusn56's Avatar
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    Quote Originally Posted by Storz View Post
    Got any pictures of your set up Krusn?
    getting a few for ya here soon....okay..




    Last edited by krusn56; 08-16-2010 at 07:22 PM.
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  13. #11
    Senior Member ICECREAMAN's Avatar
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    Quote Originally Posted by Storz View Post
    Couple more questions...

    1 - what is the best way to cut the hose that connects the snails to the tips?

    2 - best way to make the hole in the transom for the tips bigger?

    3 - some of the threads on the head feel a little crappy when I try to screw a bolt in there, anything I can do to smooth it out?
    If you're a wood worker or know someone who is a router makes a nice cleen cut to enlarge the holes.

    As far as the ruff threads in the heads, run a thread chaser through the holes with some lube (WD40, oil) but preferably not a tap. Chasers cleen up the threads, taps cut thuss removing material which I would try to avoid.

  14. #12
    Senior Member ICECREAMAN's Avatar
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    Quote Originally Posted by Jetboat Jared View Post
    why dont you use gasket thats what i use and have had no problems
    Me personally, I like silicone because it will compensate for any imperfections in the sealing surfaces, such as pitting or warpage and has proven to me to hold up quite well, works on any motor, pluss @ $6.00 a tube why mess with gaskets.

  15. #13
    Boat Nut sleekcrafter's Avatar
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    Glue in plywood plugs, then drill the center you want, and drill them out with the hole-saw. if going from three inch to four inch, you have lots of wiggle room to align them up perfectly.
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  16. #14
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    Glue in plywood plugs, then drill the center you want, and drill them out with the hole-saw. if going from three inch to four inch, you have lots of wiggle room to align them up perfectly.
    X's 2 heres some Josh just finished on Gabes boat ,just fill them and relocate ,its cake just takes patience ..


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