zoom zoom

iTrader: (1)

I drilled and tapped my pan for 3/8" NPT, but what do you guys use to seal up the threads? Tig welding is out of the question, so i dont know if i should use loctite or some sealant or what?

soviet

iTrader: (10)

teflon tape.

NPT thread is technically self-sealing. however, it should always be used with teflon tape as it acts both as a sealant and lubricant and helps the threads seal better.

Fireindc

iTrader: (13)

Many here including myself have JBwelded the thing on. No leaks thus far..

Braineack

iTrader: (62)

JB weld on the threads. teflon tape is a horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible horrible idea

Fireindc

iTrader: (13)

+1 Teflon tape can come loose in your oil pan and clog oil pickups, oil ports, etc.

Joe Perez

iTrader: (8)

Keep teflon tape away from your engine in general. The probability of it causing catastrophic damage (eg, by entering a lifter) is pretty low, but there's no sense tempting fate. Even overlooking that fact, it's not the best product available for this purpose.

A bit of JB-weld dressed into the threads just before you screw the fitting into the pan seems to work wonders. Not only does it seal well and resist heat and oil once cured, but it's pretty much the ultimate threadlocker.

gslender

iTrader: (1)

Just so I'm sure, are you saying it is horrible then?

rleete

iTrader: (21)

He's just repeating the words his parents called him.

soviet

iTrader: (10)

Well fuсk you guys. Teflon tape is where it's at. If you use it right, pieces of it will not come off. If you're paranoid feel free to use teflon paste.

http://en.wikipedia.org/wiki/National_pipe_thread

gslender

iTrader: (1)

The temperature limit of Teflon is usually around 200 deg C so I guess there is thermal concerns that might be valid too.

I'm not sure about JB Weld unless you never intend removing it... so I wouldn't unilaterally replace Teflon paste/tape with JB Weld either.

Fireindc

iTrader: (13)

If you remove it, then you have a hole in your oil pan. Why would you ever remove it? If you take off the turbo just cap it off with a rubber nipple.

Oscar

iTrader: (2)

By all means, teflon tape the ---- out of the oil feed for your EFR. Post results

codrus

The JB weld isn't that strong. Most hose barbs have a hex flange at the bottom -- put a deep well socket on it and a long ratchet and it comes right off.

--Ian

Braineack

iTrader: (62)

yeah but it holds well if you dont touch it.

Joe Perez

iTrader: (8)

That article assumes that the male piece is being received by a female piece which is match-tapered and provides full thread engagement.

We're screwing it into a very thin oil pan with maybe 1.5 threads' worth of engagement depth.

This is like comparing a knowledgeable, rational, articulate person to Pusha.

Orion ZyGarian

Teflon is a bad idea for automotive applications. It was never really meant for it. Permatex has what you need: http://www.permatex.com/products/Aut...t_Compound.htm
There's a few options, but this is really what you want. It is reusable too, in that you can back it out a bit, screw it back in, and it will keep the seal. Not something you can really do with tape

kruze

jbweld i have used with success.

just dont touch it when you initially install it, let it cure for the day.

Fireindc

iTrader: (13)

JB weld just works. Use it!

kaboshe

iTrader: (15)

jbweld x2, did the same on all of my setup

MartinezA92

iTrader: (4)

How has nobody mentioned RTV? I used RTV over a year ago and I haven't seen a drop of oil come from that fitting.