[Blownchevelle68]

I ordered some of the Precision Performance AN line in -10 and -8 (CPE lined) from Straub the other day-I've never assembled AN hose before. I've got the aluminum wrenches and the vise jaws. Just wondering if there is any tips or tricks from those who have put them together before...


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[Bluegoose1970]

AN lube, you get some??


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[Blownchevelle68]

AN lube, you get some??


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No I didn't get any...Does it need to be specific or can just some regular oil work ?

 

[Schurkey]

No I didn't get any...Does it need to be specific or can just some regular oil work ?

I used to use ATF.

 

[Chevello]

I used to use just regular oil. Green Kendall IIRC.

If you are not using a special cutter for stainless braided hose, wrap it TIGHT with masking tape where you are cutting the hose, and use a very fine tooth hacksaw to cut. gently take off the tape and immediately put the nut on the end of the hose so the braid doesn't have time to unravel. It can be a pain to get the braid into the nut once it starts to do that.

There is a gap between the nut and the fitting when the fitting is assembled. I think it was slightly different depending on the size of the hose. Earl's used to sell a feeler gauge for this, but it wasn't +/- .005" territory.

Make sure that when you put in the part that goes into the hose, that you don't gouge the inside of the hose and create a flap that can block the hose.

After assembly, we used to run some paint thinner (mineral spirits) through with the ends plugged with thumbs, swish it around, dump that and follow it with brake cleaner.

That's about all I remember. I'm sure that if I missed anything or said something wrong, I'll be corrected.

 

[Dcairns560]

There are videos on Youtube that show how to assemble the hose and fittings. I use a masonry chisel to cut the hose, leaves a very clean cut with no frays.

 

[Blownchevelle68]

Thank you all for the replies....Is there anyway to test for leaks before putting on the car?

 

[Indiansprings]

Cap one end and put a few PSI of air to it, get the spray bottle out with some soapy water.

 

[Blownchevelle68]

Cap one end and put a few PSI of air to it, get the spray bottle out with some soapy water.

Derrr...I should have known that!! Thanks!

 

[Bluegoose1970]

I would still recommend some type of AN lube or anti seize lube on aluminum fittings, other thing will work in a crunch, but every so often, you will strip the threads compressing the hose fitting. Not worth the chance to me. On the flare side, I even apply a little anti seize and wipe it off, just for insurance.


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