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Old 03-26-2011, 03:39 PM
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Building a tube in hose assembly.

Well I have all my TIH runs done, but I'm not happy with the results.

I used standard compression fittings from the hardware store and aluminum fuel line.

Where the aluminum exits the compression fitting, it seams way to flimsy. Like it could kink and snap at any moment. And the compression fitting itself doesn't "feel" like it tightens enough. I know it's brass, and requires a semi delicate touch so that it doesn't strip, but I don't like the way this goes together. I'm not a dummy, but is there something better out there?


Any of you guys have similar thoughts or better experiences?
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Old 03-26-2011, 05:15 PM
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I used 3/4 black iron tees & pipe nipples, 3/8 aluminum fuel line & standard compression fittings. Mine seemed pretty flimsy as well. I actually had a couple of my TIH break where the fuel line comes out of the black iron tees. This was my fault cause I did not have them supported well enough. I installed more brackets to secure the TIH & have not had a problem since. that was about 30 k miles ago. I was able to tighten my compression fittings very snug without them stripping.

My guess would be that as long as you support them good with some kind of brackets you should be ok.
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Old 03-26-2011, 05:33 PM
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What do you terminate your tube with? I'm putting-6an compression adapters on mine, and running hose with -an fittings.

I also did the 3/4 black iron and 3/4 hose barb.
I'll make sure none of it dangles around, thanks.
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Last edited by Aaron Berk; 03-26-2011 at 05:38 PM.
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Old 03-28-2011, 04:56 AM
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i bought mine from fattywagons as i was not familiar with compressions fittings and such. now that i see how it goes together i can make my own. the one i bought seems very sturdy. the only change i would make, and may still is the use of a 3/4" heater hose rather than the 5/8".
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Old 03-28-2011, 08:51 AM
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Quote:
Originally Posted by Aaron Berk View Post
What do you terminate your tube with? I'm putting-6an compression adapters on mine, and running hose with -an fittings.

I also did the 3/4 black iron and 3/4 hose barb.
I'll make sure none of it dangles around, thanks.
Yours looks almost identical to mine. Only differnce is I didn't use an galavized fittings. Galvanized is probably ok for the coolant but galvanized for VO is a polymaker.
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Old 03-28-2011, 09:47 AM
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Yes, I've only got a few galv. fittings on the truck, and ONLY with the coolant lines. IT was what I had, so I used it. There is talk about the Galv. flaking of into the coolant. But to be honest with you, I'm not really worried about that being an issue.

I will eventual do a coolant filter setup on the truck.
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Old 03-28-2011, 11:13 AM
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I had a couple on my Davco 322 filter head. I have read about the gavl. flaking off as well. I don't think it is a big problem either.
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Old 03-29-2011, 05:05 PM
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Quote:
Originally Posted by simone0414 View Post
Yours looks almost identical to mine. Only differnce is I didn't use an galavized fittings. Galvanized is probably ok for the coolant but galvanized for VO is a polymaker.
Is the galv. coating the poly maker?? Galv fittings are the same as black iron but with the coating......
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Old 03-29-2011, 05:55 PM
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Originally Posted by STROKED_NY_023 View Post
Is the galv. coating the poly maker?? Galv fittings are the same as black iron but with the coating......
That's what I have been told. No personal experince with it though cause I was advised to stay away from galv. so I did.
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Old 03-29-2011, 06:45 PM
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I used it back in the day, on my centifuge filtering setup.

Trust me, it sucks. Don't get it near any wvo.

What they say is true.
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