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Author Topic: Freeze Plug replacement  (Read 1192 times)

firedome

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Freeze Plug replacement
« on: October 27, 2009, 07:06:28 AM »

To the limited extent I can see, there's coolant drops waiting to fall
at the very bottom of the front of the tranny bellhousing, and at the
very rear bottom of the 318 block, just above where the Y pipe comes
together. Beyond that I can't tell until I get it on a lift or high
jackstands. IF it's a rear freeze plug couldn't it be dealt with by
just removing the tranny?  Want to keep it quick & easy as
possible and just get her running... I know that if I pull the whole
shebang out, though maybe ideal,  I'll just get overly involved in
detailing and painting and replacing everything under the sun. Money is
limited and I can't get into more expenditures right now... (my '58 is
going to the body shop for panel work next week)... is it possible to
do all freeze plugs with engine in?



Also how about the timing cover corrosion hole coolant issue, should it
be assumed it'll be bad soon, if not now? How common is that?



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Steve

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Freeze Plug replacement
« Reply #1 on: October 27, 2009, 01:44:21 PM »

If you have an engine hoist, all you need to do is take out the rad and split the tranny.  Move the engine forward until you hget enough room.  HOWEVER!  if the rear ones are shot, you better plan on a whole set.  That's why I initially said pull the whole thing.  Out and in.  Good chance to clean the engine and compartment, motor mounts, any leaking seals.....
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firedome

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Freeze Plug replacement
« Reply #2 on: October 27, 2009, 03:57:55 PM »

I do have a hoist - guess it's split N' look. My guess is they should all be replaced anyhow...

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Herman

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Freeze Plug replacement
« Reply #3 on: October 27, 2009, 05:24:46 PM »

I dunno how it's like with smallblocks, but bigblocks don't any freeze plugs at the rear of the block. There is only a plug in either cylinderhead.



Steve

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« Reply #4 on: October 27, 2009, 05:37:53 PM »

There's two in the bck.  The big blck heads have two plugs too
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Rich

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Freeze Plug replacement
« Reply #5 on: October 27, 2009, 09:03:12 PM »

Here is a pic of the back end of a big block-there is one freeze plug on the back of each head (one on the front too). There is also a plug for the cam, but only oil would leak from there.



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Rich

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« Reply #6 on: October 27, 2009, 09:23:36 PM »

Here is a pic of the back end of an LA block showing the two hidden freeze plugs:



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firedome

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« Reply #7 on: October 28, 2009, 04:47:21 AM »

Excellent pics Rich... thanks!! 

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Steve

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« Reply #8 on: October 28, 2009, 05:40:29 PM »

I was thinking of the ones on the side Rich. . .I forgot about the end plugs 
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Rich

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« Reply #9 on: October 28, 2009, 10:39:47 PM »

I hate those ones in the back of the small blocks--a friend with a repair shop gets lots of work fixing them in  Durango's. They aren't made out of brass, just sheet steel, and he thinks it's the pink anti freeze that is corroding them so fast. (costs about $650 to get them replaced)

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firedome

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« Reply #10 on: October 29, 2009, 06:06:40 AM »

Can you get brass replacements? ...don't want to go thru it more than once!!

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Stitcherbob

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They treat me like dirt! I'm better than dirt! Well better than most kinds of dirt. Maybe not as good as store-bought dirt.Thats got nutrients & stuff

firedome

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« Reply #12 on: October 29, 2009, 08:54:48 AM »

Cooool... thanks Bawb!  funny I just got a Summit catalog this morning... shoulda looked!



I kinda like that SB 408 complete from them too!!



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Steve

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« Reply #13 on: October 30, 2009, 10:20:42 AM »

I just call my buddy and tell him to give me a set of freeze plugs for a "whatever" engine and it costs me about 12 bucks.
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