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Thread: More F'n copper. Copper heater supply lines through cowl.

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    Default More F'n copper. Copper heater supply lines through cowl.

    I am going to take time to post how I ran heater supply lines through the cowl on a build I am doing. Nice and tidy, and takes those big ugly hoses off of the firewall and the engine. This may not be everybody's cup of tea. Flame away.

    Starting with the windshield wiper cowl (or whatever you call this area) open, it was time to run the tubing. The hole is an access to the rear bolts on the suupercharger cover. It has a cover made from an old AC unit panel. For the heater supply lines, I used soft copper so I could shape it to the curve of the cowl. My step bit wasn't long enough, so I welded a drill bit on the end to make it longer.













    Soft lines formed into place.






    I use these fittings by Watts, because a 5/8 or 3/4 heater hose slips right over, and secures without slipping.











    Pressure testing the system to 20 psi







    Tank and soapy water






    Cap one end, pressurize the other.



    Done. Man those are ugly hose clamps. Maybe I should replace them.






    1999 Dakota LS-swap. Fastest NA 5.9/6.0 full-weight CC. 12.76 at 109.9.
    2000 Durango ZL1 AWD.

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    5857glendon's Avatar
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    I like that idea....makes sense....a lot of space in the cowl.....

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    BluRT00's Avatar
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    slammedR/T's Avatar
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    Not a bad idea, but I would suggest some bleeder screws on the heater pipes under the cowl, if you have ever tried to bleed the cooling system on a 2016 impala you will understand why.
    This signature has been deleted thanks to photobucket!

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    Use shark bites, we use them for temp fittings on construction, I've net had one leak. Even at 100 psi.
    11.27 @ 118.23
    2017 NM Mopar Challenge Series Champion

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    niebs's Avatar
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    Good idea. Looks pretty clean. Good call on painting them.

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    Quote Originally Posted by slammedR/T View Post
    Not a bad idea, but I would suggest some bleeder screws on the heater pipes under the cowl, if you have ever tried to bleed the cooling system on a 2016 impala you will understand why.
    I didn't have any trouble with the other one, but I will keep that in mind. Thanks
    1999 Dakota LS-swap. Fastest NA 5.9/6.0 full-weight CC. 12.76 at 109.9.
    2000 Durango ZL1 AWD.

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    OldKota's Avatar
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    Hey, at least you painted them black... I hate seeing copper or other types of pipe in auto repair work but since they are black it looks ok, if you leave them copper colored it just looks hacked, like a plumber got in your engine bay and went crazy or something they don't look too bad like that...
    1995 Dakota Club Cab, 408, 5spd, 8 3/4 rear end

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    This looks pretty good. 1927 Spade Carrillo Roadster. Before catalogues, internet, ordering by mail, this is how hot rodders got things done. I have been playing around with copper because I am thinking about making my next Dakota a steam-punk design.





    1999 Dakota LS-swap. Fastest NA 5.9/6.0 full-weight CC. 12.76 at 109.9.
    2000 Durango ZL1 AWD.

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    I love the look of the flathead v8's....so clean and simple...and those triple carbs.....beautiful car!!!!

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