The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=4)

- - To Goop Freeze Plugs Or Not To Goop? (https://67-72chevytrucks.com/vboard/showthread.php?t=653080)

Gregski

12-16-2014 03:22 AM

To Goop Freeze Plugs Or Not To Goop?

So I have read articles saying do not put anything on freeze plugs when you install them and I have seen articles saying put RTV or some sort of gasket or calking material on them to ensure a good seal. Same goes for YouTube videos, some swing one way others the opposite.

I know this much, I installed my first steel freeze plug dry and it leaked. So I reinstalled the same style steel plug with some copper RTV gasket goop and it does not leak.

So what do you all say/recommend?

Just call me Sean

12-16-2014 03:57 AM

Re: To Goop Freeze Plugs Or Not To Goop?

I use RTV or shellac. I also use brass plugs not steel.

bigwheel15

12-16-2014 04:17 AM

Re: To Goop Freeze Plugs Or Not To Goop?

I installed steel dry with no issues.

BigBlocksRule

12-16-2014 08:22 AM

Re: To Goop Freeze Plugs Or Not To Goop?

Brass with shellac, no leaks, no rust-outs.

Jake Wade

12-16-2014 08:59 AM

Re: To Goop Freeze Plugs Or Not To Goop?

Quote:

Originally Posted by Gregski (Post 6959445)

I know this much, I installed my first steel freeze plug dry and it leaked. So I reinstalled the same style steel plug with some copper RTV gasket goop and it does not leak.

So what do you all say/recommend?

I think you just answered your own question.

I use brass plugs and Permatex aviation sealer in a brush top can.

All times are GMT -4. The time now is 12:01 AM.