fuel rail AN adapter
#1
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fuel rail AN adapter
I am going to run SS and AN lines and I need to know where to get an adapter for the fuel rails. I know the banjo bolt is just a 12mm x1.25 but Can I get adapter for the others, like where the fpd goes and such. I don't want to have to tap 3 sides on the fuel rails. If tapping is the only answer what size do i use 3/8? or 1/4? I am also going to be a running a parrallel system, and need to know if I can run the fuel Feed lines to the front of the rails and the return out the back? or do I have to follow the stock flow pattern?
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Tapping primary rail
Ok, I ordered the adapter for the secondary, but I need to know what size to tap the primary rail. Do I have to use a 1/4" or can I use a 3/8" or some other kind of thread?
#6
I just tapped my primary rail this weekend. I used a 3/8" npt tap. It worked fine, although I couldn't tap it deep enough for the npt fitting to screw all the way in. There is about a 1/4" gap. Even with the gap it shouldn't leak, it's just an annoying cosmetic thing. Did you get the secondary rail adapter from rotary extreme?
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#9
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On the primary rails, the fuel entrance and exit holes are 12mm and are are too big for tapping 1/4" NPT. You can tap the entrance side 3/8" but the exit side of the primary rail does not have enough material to for 3/8", looks like the tap could break thru. Even if you could tap both sides 3/8 it's tough to find a fitting that will not hit the OMP inlets for the housings when you try to install it. I suggest tapping both sides of the primary 9/16-24 and using a banjo bolt -6 AN hose ends (http://store.summitracing.com/partde...5&autoview=sku)
or tapping both sides 14mm X 1.25mm and use a metric banjo to -6AN male adapter.
(http://64.202.180.37/files/metric.pdf bottom of page 3).
The FPR end of the secondary rail can be easily tapped 1/4" NPT.
or tapping both sides 14mm X 1.25mm and use a metric banjo to -6AN male adapter.
(http://64.202.180.37/files/metric.pdf bottom of page 3).
The FPR end of the secondary rail can be easily tapped 1/4" NPT.