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Old 11-20-2009, 12:21 AM   #1 (permalink)
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Default OBX Fuel rail thread sizes?

Okay I have found the bundy fitting for the fuel from the tank but what are the thread sizes for the rail? I have contacted OBX directly but ..they don't know (seriosly!)

so does anyone know what the thread sizes are?
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Old 11-20-2009, 01:58 AM   #2 (permalink)
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Quote: Originally Posted by starvin View Post
Okay I have found the bundy fitting for the fuel from the tank but what are the thread sizes for the rail? I have contacted OBX directly but ..they don't know (seriosly!)

so does anyone know what the thread sizes are?

they need to be tapped, I looked and never found a correct size (used every thread gauge known ) their tap must be old and wore out, so I tapped it to 3/8 NPT. be very carefull with the fitting the material is a bit brittle
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Old 11-20-2009, 02:16 AM   #3 (permalink)
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The rail is tapped for 1/2" NPT
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Old 11-20-2009, 04:40 AM   #4 (permalink)
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okay so the one circled at the bottom is no problem i have a fitting to fit it and the one in the middle is plugged. so you are saying the 1/2 npt will fit the remaining hole?

THANK YOU!
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