Trilogy Turbo fuel rail help needed.
Posted 13 April 2020 - 01:13 PM
i got the fuel rail but the 2 end pieces are gone.
not sure what size they are ?
can anyone help me figure out what the correct size i need to get new ones?
B-71 87 TSI ~ RIP
Black 87 Starion ~ Mess SOLD!!!
Proud New 89 slightly Rusted Fiji Owner !!!
Posted 13 April 2020 - 02:50 PM
Posted 13 April 2020 - 03:28 PM
Posted 13 April 2020 - 06:12 PM
Posted 15 April 2020 - 07:23 AM
It's hard to tell when it comes to these fittings. You can get them in all different combinations. So -6, -8, or -10AN really doesn't tell you much, you need to know what the rail is. I'd start with a thread gauge but if it comes out as 18 threads/inch, that still leaves you guessing a bit.
I'm trying to think of some CQ parts that have the same threads...if memory serves me correctly, the coolant temperature switch is 9/16-18 ORB and I believe the thermosensor is 3/8 NPT. I'd have to confirm this though.
Posted 15 April 2020 - 07:42 AM
I personally used the factory Magna rail. There was plenty of meat at both ends to tap for 3/8-18 NPT. For the rear I used a 3/8 NPT to -6AN elbow and the front 3/8 NPT to -6AN straight fittings. I removed the factory FPR and tapped/plugged the hole with an 1/8 NPT plug.
Not the best photo but you can see the front fitting. I don't have a good pic of the rear but I could take one. BTW, those rubber Aeroquip lines have since been replaced with steel braided teflon...long story.
Posted 15 April 2020 - 08:21 AM
If you have a local industrial hydraulic dealer, you can walk in there and ask them for a 90 degree elbow from 1/2" ORB (that's the same as -8 ORB) to 1/2" JIC (same as -8 AN) or 3/8" JIC (same as -6 AN). It will probably only be a few dollars, and will save the time/cost of shipping, but with the current quarantine situation, I understand that shipping may be preferable...
If you need to order it, I've had really good experiences buying from MRO Stop:
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