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    Brass swing check valves for residential water systems?

    Looking for some direction here: My home is plumbed in pex (built 2013) and has a circulation pump to bring hot water to the master shower faster. Why the house wasn’t plumbed with hot and cold manifolds that were centrally located rather than a ridiculously long loop is beyond me…. Anyhow...
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    HVAC pro’s: please chime in

    Morning all and Happy Fathers Day (where applicable)! I need a little guidance here regarding thermostat wiring or more specifically interrupting the 24v circuit. I have two heat pumps, one package unit and one split unit and they are on separate thermostats. I need to determine the best...
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    DIY coal forge: chimney prep?

    I'm building a coal fired forge for my son and I to try our hands at knifemaking and I have a question: Though we will be using it outdoors for the time being I have designed it to have a hood and chimney in case I finally get to build a shop that I could put it in so I want to put a stub pipe...
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    Bonding dissimilar plastics?

    I am building a custom overhead gauge panel and I need to bond together two dissimilar plastics. The black gauge pods themselves are ABS plastic and the panel they will be attached to what I believe is glass fiber reinforced polycarbonate as evident by the “PC + GF” marking. Can you folks...
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    Custom label for automotive switch panel?

    I built this hidden switch panel for my transmission controller and I would like to label them in a professional looking manner. A black label with white print would probably be the best mimic of a factory look. Hoping this group could offer some ideas for a classy solution to label it as...
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    School me on insulation: Garage

    Ok so I've had enough of being unable to work in my Denver garage during winter so it's time to insulate. Problem is, I know nothing about insulation so I'm hoping for some help. The garage is part of our house. It's a 3 car (2 wide with 3rd bay deep set) that is insulated only where that...
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    Pressure testing aluminum radiator?

    So I had to modify the filler neck position on my radiator and I'd like to check it for leaks. I'd like to pump it up with air and soap test it but I'm nervous as I've got a ton of time in modifying this things for LSx BMW duty. I was thinking maybe 5 psi because if memory serves me its a 4:1...
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    Bonding rubber to steel?

    So I am building my radiator brackets for my BMW and I'm using rubber strips as isolators. I'd like to bond the rubber (0.25" strips cut from a tire sidewall) to the steel brackets but I'm not sure what to use. The "glue" must be able to withstand the heat coming off the radiator. I was...
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    How to replicate this connection: crimp clamps

    As part of my BMW LS engine swap I've had to relocate the DSC (stability control) pump. I bought the same line that my car currently has and changed its overall shape (by straightening out some existing bends and adding a couple new ones) with the intention of installing it in place of the...
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    Gage blocks or straight edge?

    Gents, need some advice regarding Gage blocks or other methods for determining flatness. I am attempting my first rebuild of an automatic transmission and part of the process is determining if the valve body, valve body surface in the case and both halves of the pump are flat. You are supposed...
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    Radiator hose reference drawings?

    Does anyone know of a reference page showing radiator hose layouts and sizes for preformed hose? I need to pick an upper radiator hose for my engine run stand and I'd rather find it online then beg the parts stores to let me fish through their hose selection. Thanks! S.F.
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    LS engine run stand

    Thought I'd post some pics of the LS engine run stand that I'm building. The LS engine will eventually find its way into my 83 BMW 533i (currently running a 5.0L Ford and T5 manual) with a T56. Engine is a Iron LS2 with milled LS3 heads. S.F.
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