Sealant for freeze plugs

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Mar 18, 2007 | 09:02 PM

codeysabatini

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From: Jerome, Michian 49249

Car: 91 RS

Sealant for freeze plugs

What kind of sealant do you guys use when you install your freeze plugs, i need to install brass ones if that makes any difference.

Codey Sabatini

Mar 18, 2007 | 09:07 PM

Apeiron

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From: Mercedes Norte, Heredia, Costa Rica

Car: 1984 Z28 Hardtop

Engine: 383 Carb

Transmission: 4L60

Axle/Gears: 3.54 Dana 44

If the block is in good shape and not pitted by corrosion they don't need sealant, but a little RTV doesn't hurt.

Mar 18, 2007 | 11:36 PM

DENN_SHAH

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From: houston

Car: 83 POS monte carlo 2015 chevy P/U

Engine: 92 5.7 tpi 5.3

Transmission: 700r4 6L60E

Axle/Gears: 2.42 too high

i have always used something like Permatex #3 & had good results.

Mar 19, 2007 | 03:25 AM

ede

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Joined: Aug 1999

Posts: 14,811

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From: Jackson County

Quote:

Originally Posted by DENN_SHAH

i have always used something like Permatex #3 & had good results.

same here, freeze plugs isn't some place i'd want RTV.

Mar 19, 2007 | 10:14 AM

AlkyIROC

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From: 51°N 114°W, 3500'

Car: 87 IROC L98

Engine: 588 Alcohol BBC

Transmission: Powerglide

Axle/Gears: Ford 9"/31 spline spool/4.86

I use red loctite

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