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  1. #91
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    What fuel.pressure regulator is that on the VST on the right?

    Quote Originally Posted by Chaz View Post
    That can be a minefield all unto itself.
    I fixed an opti block a couple months ago that had a split register. The owner said it was a 250 there were enough minute differences in year to year or mid-year changes to the optis back then that maybe didn't even last a year that it wound up being a 06 225 sleeve if I remember correctly .

    http://advancedsleeve.com/Documents/...%20Catalog.pdf


    Honestly , I don't go by any of those head casting numbers . I pour every head before I ever touch it ( OK -Ok so the Mrs does it ) and before it leaves the building so everybody involved knows exactly what we had and what we now have .



    I was teasing RS that my test wheel don't go down to 225/2fiddy but if you think it's in the box , then it's easy to slot the second hole on the crank trigger eye to make sure you get 28* @ WOT ...

    Quote Originally Posted by Chaz View Post
    2002 - 2005 were the only years the 300x were produced . Go to your local outboard boneyard and see how many of them are littered about ... Zero
    But there are usually same year 225 / 250's available for your choosing .
    Many of the base components are shared between the two . The ones that are not , can be modified , bought new or now better than new .

    For guys with running motors that want a little more , the best bang for the buck is to clip your heads to 64-65cc . Lighten the flywheel to aprox 13 pounds . Strip your reed blocks of the rubber coating , lap them flat and install the reed Chris Carson makes just for this.
    Easy external parts to get to . Still quiet as a church mouse and will usually pull one more pitch size prop to the same rpm .

    The 300x exhaust can has a "cats eye" hole on the side to help them idle a little cleaner as well as a hole at the base to vent some exhaust away from going thru the lower unit . I have cut the back off and left it off . I have cut the back off , made a few 2" holes and welded the whole thing back on . Each had a different level of sound .





    If you are going to cut the can off , leave the water dumps a little longer .



    Now that it's not so constipated ..
    You can't buy the X reed adapter plate from Merc any longer but these billet adapter plates and fuel rail's are available that will move the injectors , rail , harness , brackets , bridges and other junk out of the airstream ..





    It would be a good idea to put an adjustable fuel pressure regulator on the VST at this point if your mature enough to not run it lean . It will keep going faster the more you turn it left .. until it saws itself in half . The whole reason for putting it there is to keep the bottom two cylinders fat and happy ..

    There are two pretty common sense "stages" if you want to call them that . With moderate compression, it will still run on pump gas .
    Anything after that requires going into the block and doing port work big bore kits etc .

    E-85 ... Man , don't you know boaters will drive to the end's of the earth to find "wrek" fuel .. ? LOL ..
    The only thing I see wrong with it , is that it is "Hydroscopic" . The whole time the boat is in the water , near the water , or the humidity is high and the tank vent is not plugged , it would be absorbing water .


  2. #92
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    They are for a mid 90's Honda ... I buy them from BLOX racing.
    Takes a little surgery to make them fit. Not to bad though.

  3. #93
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    Quote Originally Posted by Chaz View Post
    They are for a mid 90's Honda ... I buy them from BLOX racing.
    Takes a little surgery to make them fit. Not to bad though.
    10-4.

    Had good luck or is an external regulator is a better setup? How about the factory pump?
    Last edited by RSWORDS; 07-06-2019 at 10:15 AM.

  4. #94
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    Quote Originally Posted by Chaz View Post
    2002 - 2005 were the only years the 300x were produced . Go to your local outboard boneyard and see how many of them are littered about ... Zero
    But there are usually same year 225 / 250's available for your choosing .
    Many of the base components are shared between the two . The ones that are not , can be modified , bought new or now better than new .

    For guys with running motors that want a little more , the best bang for the buck is to clip your heads to 64-65cc . Lighten the flywheel to aprox 13 pounds . Strip your reed blocks of the rubber coating , lap them flat and install the reed Chris Carson makes just for this.
    Easy external parts to get to . Still quiet as a church mouse and will usually pull one more pitch size prop to the same rpm .

    The 300x exhaust can has a "cats eye" hole on the side to help them idle a little cleaner as well as a hole at the base to vent some exhaust away from going thru the lower unit . I have cut the back off and left it off . I have cut the back off , made a few 2" holes and welded the whole thing back on . Each had a different level of sound .





    If you are going to cut the can off , leave the water dumps a little longer .



    Now that it's not so constipated ..
    You can't buy the X reed adapter plate from Merc any longer but these billet adapter plates and fuel rail's are available that will move the injectors , rail , harness , brackets , bridges and other junk out of the airstream ..





    It would be a good idea to put an adjustable fuel pressure regulator on the VST at this point if your mature enough to not run it lean . It will keep going faster the more you turn it left .. until it saws itself in half . The whole reason for putting it there is to keep the bottom two cylinders fat and happy ..

    There are two pretty common sense "stages" if you want to call them that . With moderate compression, it will still run on pump gas .
    Anything after that requires going into the block and doing port work big bore kits etc .

    E-85 ... Man , don't you know boaters will drive to the end's of the earth to find "wrek" fuel .. ? LOL ..
    The only thing I see wrong with it , is that it is "Hydroscopic" . The whole time the boat is in the water , near the water , or the humidity is high and the tank vent is not plugged , it would be absorbing water .

    Where are the billet adapter plates and parts available from to move them out of the air stream?

  5. #95
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    Quote Originally Posted by Freedom92 View Post
    Where are the billet adapter plates and parts available from to move them out of the air stream?
    I sell the reed adapter plate, fuel rail and mounting stands as a kit.

  6. #96
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    Quote Originally Posted by Chaz View Post
    I sell the reed adapter plate, fuel rail and mounting stands as a kit.
    About what does it run to clean up the airway? Then who would you suggest to re-map my ECM?

  7. #97
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    This is for the late model / opti / downdraft plenum type intake.

    ___________________________________________________________________

    Billet 300x style reed adapter plate.
    Fuel rail, mounts and stainless rail mounting hardware.
    $695.00 + shipping.

  8. Likes Freedom92 liked this post
  9. #98
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    What's the ball park HP at the prop for one of your masterpieces? Very nice work BTW....

    83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
    We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
    Rebuild thread:
    http://www.screamandfly.com/showthre...-it&highlight=
    http://www.screamandfly.com/showthre...cs.&highlight=
    Videos

  10. #99
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    Quote Originally Posted by Chaz View Post





    This is for the late model / opti / downdraft plenum type intake.

    ___________________________________________________________________

    Billet 300x style reed adapter plate.
    Fuel rail, mounts and stainless rail mounting hardware.
    $695.00 + shipping.
    Got mine made? I can save on shipping when you sent the heads back

  11. #100
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    Quote Originally Posted by XstreamVking View Post
    What's the ball park HP at the prop for one of your masterpieces? Very nice work BTW....
    I'd say at least 53.5 lol

  12. #101
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    I was wanting 353.5 shaft and 300 prop.......

    83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
    We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
    Rebuild thread:
    http://www.screamandfly.com/showthre...-it&highlight=
    http://www.screamandfly.com/showthre...cs.&highlight=
    Videos

  13. #102
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    Quote Originally Posted by XstreamVking View Post
    I was wanting 353.5 shaft and 300 prop.......
    Probably that too..... just saying it will do 53.5. Lol

    And I bet a full on build is closer to the 400 mark

  14. #103
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    Quote Originally Posted by XstreamVking View Post
    What's the ball park HP at the prop for one of your masterpieces? Very nice work BTW....
    XVK, Thank ya sir ... It's 300x (replica) stuff that is NLA from the factory. Every step in the 3.0L evolution chain from carbs, two, then four shutters, ended up with the external injector downdraft as being the H.P. king. Not owning a dyno myself, I can't put my finger on an exact number.

    I can only use a Nancy Reagan era commercial as a reference .....

    This is your view on ... internal injection



    This is your view ... after it's been cleared out ..


  15. #104
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    Do you have one available and ready to go?

  16. #105
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    Quote Originally Posted by Freedom92 View Post
    Do you have one available and ready to go?
    Line starts right behind me. Lol

    Seriously though I have an order in for when he build the next batch.

  17. Likes Freedom92 liked this post
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