Adding petcocks to Ford 460?
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Adding petcocks to Ford 460?

  1. #1
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    Default Adding petcocks to Ford 460?

    I was wondering if anyone has added petcock drain valves to their Ford 460 to make winterizing easier? I'm building a new motor for my boat and would like to install two if it is possible.

    Thanks in advance

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    Senior Member sturat's Avatar
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    I have them on mine. no issue with them at all.
    Legalize the Constitution!

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    shouldnt be an issue like he said, can vary with water pressure, I personally wouldnt, but to each there own, if you have TT logs, getting to those drain plugs is just a hassle, nothing big, if you have OT you should be able to get to them a little easier.

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    Default Reminder....

    You really don't need petcocks, just put the plugs in a plastic bag tied to the steering wheel as a reminder they are out......You can also run the motor for a short time to assist the evaporation of any standing water in the system....A minute or two should do it....OR, you can some anti freeze 50/50 to the water through the top until it runs out the logs.... Dry is best if you live where it hard freezes regularly...
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    Thanks. I've got Hardin Marine manifolds and risers to thru hull exhaust. I found the plugs on the block yesterday, but they might be a little hard to reach with everything assembled. I guess I'll have to mock it up and see how it looks when I get my heads back from the machine shop.

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    tintingsandiego krusn56's Avatar
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    I was doin some glass work and had my log off....I added longer ones to reach em easier.
    Last edited by krusn56; 12-02-2011 at 11:52 AM.
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    Senior Member obie's Avatar
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    Default petcocks

    Keep in mind that if you boat in a sandy lake you will get sand build up in the bottom of your block, i have bought several boats that people have pulled the drain plugs out of to drain them just to realize the next spring that they did not drain all the way due to sand blockage.I personally for where i boat, place a removable soft plug on each side ...no way a hole that big can plug up. jmo

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    tintingsandiego krusn56's Avatar
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    I have had the sand issue and used a straw or something like that to pick into hole as running water out to get it out.
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    Quote Originally Posted by krusn56 View Post
    I was doin some glass work and had my log off....I added longer ones to reach em easier.
    Now that's a nice setup. I will be using the boat on Lake Mead, Lake Mojave, and down on the river so sand might be an issue. I'll just have to try it to find out.

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    S&S
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    Be careful of what reducers/extensions are used and how they are setup. Below is a pic of the old petcocks out of my boat. Notice the one that had the petcock "inserted" into the fitting, it was plugged almost everytime I tried to drain it, the one that went directly into block no problems ever. Replaced both with different style t-handles, no problems with plugging due to fittings.


    New setup, haven't plugged in two years.


    I've even recently added one on top of the manifold (for an air vent), to drain motor quickly and make sure no water is left in motor. But I usually drain my motor after every use, hopefully to help sediment build up and I never know when I'll have time to go out next.
    Last edited by S&S; 12-04-2011 at 09:04 AM.

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    S&S, that the best set up I seen yet. Very nice!

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    Quote Originally Posted by rpm0414 View Post
    S&S, that the best set up I seen yet. Very nice!
    Thanks The old setup was pretty bad.

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    Quote Originally Posted by S&S View Post
    Be careful of what reducers/extensions are used and how they are setup. Below is a pic of the old petcocks out of my boat. Notice the one that had the petcock "inserted" into the fitting, it was plugged almost everytime I tried to drain it, the one that went directly into block no problems ever. Replaced both with different style t-handles, no problems with plugging due to fittings.


    New setup, haven't plugged in two years.


    I've even recently added one on top of the manifold (for an air vent), to drain motor quickly and make sure no water is left in motor. But I usually drain my motor after every use, hopefully to help sediment build up and I never know when I'll have time to go out next.
    Where did you get those T-handle fittings?

  16. #14
    S&S
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    They are a little pricey. But I have never had one leak, even above the 30psi rating and they look good.
    1/4"MPT x 1/4"FPT 30psi LeverHandle Ground Key Shut Off Cock | Fastenal

    Last edited by S&S; 12-07-2011 at 02:45 PM.

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