61X case porting... whats the basics? - Page 3
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  1. #21
    Resident Guru romack991's Avatar
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    Quote Originally Posted by runaway
    Quote Originally Posted by unclehulka13
    Quote Originally Posted by runaway
    I had posted some pics of my head 61x, I will try and find them.
    DOH
    dont post pics of other peoples porting. its not good for business
    Whatever you say. Showing the intake track on my 61x case is going to cause any harm to any engine builders buisness.
    yep, cause us do it yourselfers are too cheap to pay for it anyways :P

  2. #22
    Frequent Poster SJ/XPBri's Avatar
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    Question about porting- anyone had extrude honing done on their cylinders? I might be having it done, just looking to see if anyone has tried it.
    Bri
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  3. #23
    PWCToday.com Is My Home Away From Home mile9c1's Avatar
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    Quote Originally Posted by SJ/XPBri
    Question about porting- anyone had extrude honing done on their cylinders?
    I think it would be a big waste of money.

  4. #24
    Frequent Poster SJ/XPBri's Avatar
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    Mile is that an "educated guess", or based on a cylinder that was extrude honed?
    Thanks,
    Bri
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  5. #25
    PWCToday.com Is My Home Away From Home mile9c1's Avatar
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    I have no idea how it'll work on a cylinder, but I think they charge like $300+ to do it to a twin cylinder... think what else you could buy with that money... a B pipe, an aluminum flywheel, real porting, etc. Either of these mods would most likely feel a lot stronger than the honing. So IMO it's a waste of $$.

    Also I question its value for a cylinder because most people say a rough surface is better, but extrude honing makes a smooth surface.

  6. #26
    PWCToday.com Is My Home Away From Home Matt_E's Avatar
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    Standard honing is done with 220 grit max I believe....and that's not all that fine.
    If I sound like a moron, it's only because I haven't typed enough words yet.

    Jetworks....Blowsion....Superfreak!....Thrust Innovations

  7. #27
    PWCToday.com Is My Home Away From Home Matt_E's Avatar
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    Quote Originally Posted by mile9c1
    You can't port the 62T cases very much unless you fill in the voids on the intake side with epoxy, because you'll cut into the voids and that won't work for obvious reasons.

    A lot of people also fill in the "fingers" in the 62T cases but the 61X cases don't have fingers.

    I'm not sure what I'd do to a set of 61X cases... I haven't looked at a set in a while.
    .


    What do you use to fill in the fingers?
    If I sound like a moron, it's only because I haven't typed enough words yet.

    Jetworks....Blowsion....Superfreak!....Thrust Innovations

  8. #28
    PWCToday Guru ski4's Avatar
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    I a curious as to what epoxy people are using in the case porting, the motor i have, had this done. the epoxy in places now seems to be flaking off.


    I may need to try and sand it up a bit and fix this.
    "The only thing I ever saw that came close to Objective Journalism was a closed-circuit TV setup that watched shoplifters in the General Store at Woody Creek, Colorado." hst

  9. #29
    PWCToday.com Is My Home Away From Home mile9c1's Avatar
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    Quote Originally Posted by Matt_E
    Standard honing is done with 220 grit max I believe....and that's not all that fine.
    Extrude honing leaves a POLISHED surface! I have an extrude honed B pipe manifold/headpipe. It looks great but I don't think most people would feel a performance improvement from it (including myself).

    Frestylegeek just epoxied his engine with something called Devcon (aluminum putty). Jr. Magoo recommended it, they have an internet site.

  10. #30
    Resident Guru nojuice's Avatar
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    My buddy had his cylinder done and he loved it. The trick is to do your porting first then have the Extrude hone done to the cylinder and manifold.
    <---Head stand on a 550.

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