Gas tank vent nipple replacement

[Kny21]

I cracked a vent/return nipple on my SJ tank taking it out and need to replace. I figured just to drill/tap and add a 1/8 barb x 1/4 NPT fitting but what should I do to reinforce and seal? JB Weld, 1200, 3bond, etc?

Thanks,

 

[SUPERJET-113]

Just drill and screw the fitting in, no need for tapping the plastic. It will stay.
I have done to a few tanks with no problems. I suppose you could pust some superglue, silicone, 3bond,5200 or something on the threads when you screw it in.

 

[MADMAT]

Just a tiny dab of 5200 on the threads. I sealed a second pulse line from some cases and it is solid after years. I just a tiny dot of 5200 to seal the threads.

 

[skinnyman]

i used a dirt bike tire valve It has gasket and a flange on the bottom and nut holds it in place.Just dont forget to take the valve stem out

 

[Mark44]

McMaster Carr bulk head fittings.

Mark44

 

[vomitspot]

im with sj 113
judt drill little smaller than 1.8 fitting and screw it in
ive done a few that was as well
if your worried it will leak put loctite pst on it
jason

 

[Proformance1]

bulkhead fitting is a great idea, but how would you get at the inside?

 

[Mark44]

t

bulkhead fitting is a great idea, but how would you get at the inside?

My youngest sons arm or ask a neighbor kid in your area and give him a buck.

Mark44

 

[BruceSki]

My youngest sons arm or ask a neighbor kid in your area and give him a buck.

Mark44

lol i can picture that.

"hey neighbor kid.... come over in my garage and stick your hand is this hole for me please?"