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-   -   FE core drain plugs (http://www.clubcobra.com/forums/fe-talk/129927-fe-core-drain-plugs.html)

crenbbf 08-01-2014 02:56 PM
FE core drain plugs
 
Hi again

One of our core drain plugs took a beating to get it out, so we trashed it on the assumption replacements would come in the core plug kit.

What are our options?

On the same note how do you actually measure these npt plugs?

cheers Kiel

FWB 08-01-2014 03:14 PM
Quote:
Originally Posted by crenbbf (Post 1312762)
Hi again

One of our core drain plugs took a beating to get it out, so we trashed it on the assumption replacements would come in the core plug kit.

What are our options?

On the same note how do you actually measure these npt plugs?

cheers Kiel
which plugs? the large ones on the side of a 427 the threaded ones?

crenbbf 08-01-2014 03:28 PM
Hi

Wish it was, no our engine is a 390 based motor, there the small drain plugs near the engine mounts. The drains not the core plugs.

cheers

FWB 08-01-2014 03:35 PM
oh, thats an easy one. they are 3/8 NPT.
i use a 45 degree adapter and put radiator petcocks in there that way they point down.
easy to drain to change a thermostat or a hose with out alot of mess

npt is measured by the inside diameter of the pipe they go on...so really with plugs hard to tell unless you recognize them or have a chart showing their actual sizes

here..

http://www.pchemlabs.com/files/image...npt_chart5.gif

crenbbf 08-01-2014 03:51 PM
Thanks Fred

Much appreciated

cheers Kiel

blykins 08-02-2014 12:08 PM
You sure they're 3/8"?

crenbbf 08-02-2014 12:17 PM
Quote:
Originally Posted by blykins (Post 1312828)
You sure they're 3/8"?
Brent

Same as the oil galley plugs adjacent to the cam plug

Not 3/8" then?

cheers Kiel

blykins 08-02-2014 12:56 PM
I'm thinking it's a 1/4...

crenbbf 08-02-2014 12:59 PM
Quote:
Originally Posted by blykins (Post 1312833)
I'm thinking it's a 1/4...
here you go

http://i1276.photobucket.com/albums/...psf2c47290.jpg

cheers Kiel

redmt 08-02-2014 01:01 PM
Everything I've ever seen was 1/4 pipe. Use brass next time. Even if it gets stuck , it's easier to drill and tap out.

FWB 08-02-2014 01:12 PM
hmmm, maybe.....use the chart....

crenbbf 08-02-2014 02:05 PM
Ok had a measure and according to the chart they are 1/4" NPT

Kinda funny really considering the bit you measure doesn't actually get into the block

Good call regarding brass plugs even found some on our side of the pond

cheers Kiel


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