What fitting are these?
11-14-2013, 05:25 PM
#1
Staging Lane
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What fitting are these? I see people that want to do aftermarket rails on the truck intake manifolds.. I came across this pic.. the rails look just like the rails on my 04 5.3 intake..Looks like they drilled and tapped stock rails... then maybe used fittings with o-rings
11-15-2013, 07:53 AM
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i'd agree they were drilled and tapped because that method is easier than machining for a proper ORB fitting, but whether an O-ring was used? ...no idea, but i'd assume "no" since i don't know of any NPT-to-AN fittings that have a lip designed or recess cut for use with an O-ring on the NPT side... at least not in Aluminum (and those pieces are definitely AL since they're anodized). have you searched on PerformanceTrucks.net?
11-15-2013, 10:19 AM
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It looks like a Teflon or nylon washer was used, so no I don't think it is o-ringed either.
These type of washers are commonly used foe fuel cell fittings.
The rails could have been taped for either pipe thread or straight thread. I would think straight thread because it requires less thickness in the tubing wall.
There are hose ends made that have a male end on them rather than the more common female ends, if those where used a fitting would be eliminated.
These type of washers are commonly used foe fuel cell fittings.
The rails could have been taped for either pipe thread or straight thread. I would think straight thread because it requires less thickness in the tubing wall.
There are hose ends made that have a male end on them rather than the more common female ends, if those where used a fitting would be eliminated.
