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12-23-2013, 09:46 AM
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#1 |
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Registered User
Join Date: Apr 2012
Location: Covington, GA
Posts: 386
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Steam line to stock radiator fitting - any easy options?
I've got just a few things left to do to get my swap running. One is plumbing up the steam line. I was thinking of trying to run it to the 3/4" fitting on the stock radiator. Is there any fitting that's an easy way to adapt this - maybe one that screws into it, or brazes on? How did you guys running stock radiators handle the steam line (and if it wasn't plumbed to the 3/4" fitting, what did you use to block that off)?
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Matt Cramer 1972 Chevy C10 - 4.8 swap, long bed, and maybe one dent free body panel somewhere - SOLD 4.8 LS build thread |
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12-23-2013, 10:22 AM
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#2 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: Steam line to stock radiator fitting - any easy options?
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! |
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12-23-2013, 11:41 AM
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#3 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: Steam line to stock radiator fitting - any easy options?
Mine rad came with a plug, I ran my steam vent to the top of the water pump. Just drill and tap.
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Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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12-23-2013, 12:02 PM
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#4 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: Steam line to stock radiator fitting - any easy options?
I used my original 4 core, just took it to the radiator shop and had a brass fitting brazed in the tank. I wanted to have it boiled out anyway, so it was a two birds with one stone kind of deal.
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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12-23-2013, 08:20 PM
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#5 |
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Registered User
Join Date: Sep 2012
Location: Milwaukie OR
Posts: 135
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Re: Steam line to stock radiator fitting - any easy options?
I ran mine to a T fitting on the heater hose, didn't want to go too in depth with the radiator.
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12-23-2013, 10:48 PM
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#6 |
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Senior Member
Join Date: Nov 2007
Location: Greenville, SC
Posts: 873
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Re: Steam line to stock radiator fitting - any easy options?
I used an AN bulkhead fitting and an o-ring washer. Just drill a hole in the tank near the filler cap so you can reach in and tighten the bulkhead nut. No trouble after a couple of years.
This follows GM's recommendation to plumb the steam line to the highest point in the cooling system. TR
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1965 C10 SWB Fleet Two owner LS2 Swap Thread http://67-72chevytrucks.com/vboard/s...d.php?t=413880 |
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12-24-2013, 01:03 PM
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#7 |
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Registered User
Join Date: Feb 2013
Location: Aubrey, TX
Posts: 308
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Re: Steam line to stock radiator fitting - any easy options?
I went to oreillys and bought a t fitting and attached it to the heater hose coming off the water pump.
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12-24-2013, 11:06 PM
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#8 |
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Registered User
Join Date: Nov 2012
Location: West Des Moines, Iowa
Posts: 450
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Re: Steam line to stock radiator fitting - any easy options?
I drill and tap the pad on the top of the water pump, insert a small hose barb and run the line there. I've done it on several swaps without issue.
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12-26-2013, 04:40 PM
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#9 |
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Registered User
Join Date: Feb 2013
Location: Aubrey, TX
Posts: 308
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Re: Steam line to stock radiator fitting - any easy options?
^^ that's a good idea! I may switch mine as the t fitting I am using is a 3/8 barb so I am having to use a reducer since the crossover tube is 1/4. Bugs me haha
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