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Tech Article: Speedflow Teflon Fittings DIY Walk thru.

#1 User is offline   Scott 

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Posted 11 April 2008 - 06:25 PM

Had to make some teflon lines this afternoon - i know alot of people are daunted by the idea of making their own hydrualic fittings/lines. So i decided id do a quick step by step guide for those interested.

Step 1. - Parts

When u buy the teflon fitting, it comes in 3 parts. A base, a cap, and a Olive/compression sleeve.
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Step 2. - Cutting hose
Cutting the Braided stainless can be a pain in the butt. Ive seen people try side cutters, tin snips, hacksaws, the works. The easiest method ive found is to use a 1mm Cut of wheel in an angle grinder. Some people use electrical tape on the braid first then cut thru - with the idea it will keep the braid together. My experience with this is, when u go to remove the tap it pulls the braid apart. So i just use a 1mm disc, and take my time to cut it square and neat.
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Step 3. - Sliding Cap over.
Here you need to slide the cap over the hose, make sure the threaded end is pointing towards the cut end of the hose. This can also be a bit tricky, i insert the hose on about a 30deg angle and slowly spin and push and the hose generally goes thru nice and easily.
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Step 4. - Inserting the Compression Sleeve
Here u need to open the braid weeve a little and push the TAPERED end of the sleeve in. The braid must go to the outside of the sleeve, and the internal hose slides into the middle of the sleeve. 3 pics below.

Sleeve ready to fit.
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Sleeve pushed all the way home. - I get it started by hand, then grab the hose and tap the sleeve onto a timber surface until it pushes all the way in.
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The Teflon hose must be pushed all the way into the sleeve until it bottoms out on the lip. Its a little hard to see in the pic, but when u are doing them, you will see what i mean.
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Step 4. Inserting the Fitting.

With the sleeve fitted, its now time to push the fitting into the sleeve/hose. As u can see, its pretty obviousl how it goes in. It will be a little bit tight and will need a bit of a push in.
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You can see here, the fitting pushed all the way into the sleeve/hose.
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Step 5. Sealing / Tightening the hose.

Once youve got the fitting in the hose, its just a matter of sliding the cap down the hose, and over the sleeve, and tightening it up on the thread. If u need to adjust the position of the fitting (angle) just back off the nut slightly, spin the fitting into position then nip back up. this can be done as many times as required, even after the fitting is fully sealed/tighten.

Use 2 spanners, and tighten the 2 nuts up, until all the way home. They will be tight the first time you do this, as the compression sleeve will be compressing inside the fitting/cap.

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Step 6 - Admire.

and there you have it, a finished teflon fitting. Sealed, Strong, and Reliable - unlike normal rubber braid.
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Now, everyone needing oil feed lines, tranny lines, etc should be confident doing them themselves.
I am Terry the Turtle!
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#2 User is offline   pvk308 

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Posted 11 April 2008 - 06:30 PM

nice article mate another one for the do it yourselfer
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#3 User is offline   CUBES 

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Posted 11 April 2008 - 06:32 PM

Nice info Scott. Pinned as well
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#4 User is offline   Biza 

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Posted 11 April 2008 - 06:42 PM

nice write up mate, ill do one on the other style fittings tomorrow or sunday
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#5 User is offline   Michael 

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Posted 11 April 2008 - 11:36 PM

Top work, going to be a lot more people getting their braid on now
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#6 User is offline   LowVp 

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Posted 12 April 2008 - 07:41 AM

ahh cool same idea as bigger hydraulic hose but with out the sleeve
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#7 User is offline   Scott 

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Posted 12 April 2008 - 05:47 PM

View PostLowVp, on Apr 12 2008, 07:41 AM, said:

ahh cool same idea as bigger hydraulic hose but with out the sleeve



Hyrdualic or Normal speedflow braid uses the base fitting to cut into the hose, and is then sealed by the collar on the top. so yeah, basically the same. I just dont like rubber braid - too much heatsoak, poor quality inner hose.
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#8 User is offline   Biza 

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Posted 12 April 2008 - 06:02 PM

View PostSPaSM, on Apr 12 2008, 05:47 PM, said:

View PostLowVp, on Apr 12 2008, 07:41 AM, said:

ahh cool same idea as bigger hydraulic hose but with out the sleeve



Hyrdualic or Normal speedflow braid uses the base fitting to cut into the hose, and is then sealed by the collar on the top. so yeah, basically the same. I just dont like rubber braid - too much heatsoak, poor quality inner hose.


but better looking fittings :thumbsup:
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200sx 9.92@141mph on roo16 with hoosier radials

SR22ve+t is coming soon
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#9 User is offline   Scott 

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Posted 12 April 2008 - 06:12 PM

View PostBiza, on Apr 12 2008, 06:02 PM, said:

View PostSPaSM, on Apr 12 2008, 05:47 PM, said:

View PostLowVp, on Apr 12 2008, 07:41 AM, said:

ahh cool same idea as bigger hydraulic hose but with out the sleeve



Hyrdualic or Normal speedflow braid uses the base fitting to cut into the hose, and is then sealed by the collar on the top. so yeah, basically the same. I just dont like rubber braid - too much heatsoak, poor quality inner hose.


but better looking fittings :thumbsup:



Different strokes for different folks. I love the looks of stainless teflon fittings, and also prefer pushlok over 100series s/f
I am Terry the Turtle!
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#10 User is offline   MAT713 

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Posted 12 April 2008 - 06:16 PM

thats an awesome article dude, well done!

cant wait to make my own hoses on the cars now!
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