I need to know the best way to cut the braided fuel line to keep it from fraying and make for the cleanest cut...

Also, will the fuel line from the tank fit on a -6AN fitting or will I need some sort of adapter? If it will fit, do I just need a worm-gear clamp to secure it to the fitting? How much line would it take to run braided line from the tank if it'll fit the line from the tank, if that's even a good idea?

 

Put about 2 wraps of duct tape in the area of the cut. Cut through the tape with a high-speed cut off wheel (wear safty glasses). You could also use a very fine tooth hack-saw, but the cut off wheel works best. Don't forget to clean out the line before use.

 

Also, will the fuel line from the tank fit on a -6AN fitting or will I need some sort of adapter? If it will fit, do I just need a worm-gear clamp to secure it to the fitting? How much line would it take to run braided line from the tank if it'll fit the line from the tank, if that's even a good idea?

You could just slide the hose over the fuel line and secure it with a couple of clamps. Replacing the fuel line with a -6 SS braided hose all the way from the fuel tank isn't really necessary unless you're putting down some serious hp #'s.

If you chose to eliminate the OE FPR, after tapping the secondary fuel rail with 1/4" NPThread, screw a 1/4" NPT to -6 AN adapter and run a -06 SS braided hose from the adapter to the fuel line return near the firewall/steering column.

 

tape on the area to be cut and using a cut off wheel or chop saw works best. hack saw if in a bind but it is usually the hard way especially with the small diameter hoses -6 and lower. -6 should fit over the stock hard line from the tank.

 

I'm doing the FPR replacement per Rob Robinette's website.
How do I find out what the sizes, in inches, are for the -#AN lines and connections? Just out of curiousity...

 

It's messured in 16ths of an inch:
-04AN = 4/16"= 1/4"
-06AN = 6/16"= 3/8"
-08AN = 8/16"= 1/2'
and so on.

 

Then, I have another question...
Would a -8AN female connection and say, a, 1/2 NPT male connection work together?

I'll probably just re-run braided fuel line from the tank to the engine bay and put in an after-market fuel filter while I'm at it. That much I have figured out from Rob Robinette's site, he just didn't know how to make it work with the stock fuel line.

 

No. NPT and AN aren't made to screw into one another. An NPT male-female seals the connection because the male thread is tapered, thus sealing as you tighten. An AN female has a 37º "seat" or flare at the bottom where the male seals the connection when completely tight.

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