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I don’t have a heater core on my car. Do I need to run a stock temp t-stat? I don’t want to over heat my cooling system either. What is the normal procedure on an LS car?

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Search is your friend - many threads on the this subject - Bottomline don't run a T-stat, run a freeze plug in the divider with a 1/4" hole in it 

 

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Or this. 
Redline sells them. 
 

84A93EDB-0934-4E20-8643-01D8DE6B0396.thumb.png.62a109bb0540ed6a9d45b3e29abeb2ad.png

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I run not T stat also

the Freeze plug is for the bypass hole from the inlet side to the outlet side of the pump, it was a pressure relief valve for plastic radiators so they did not blow appart

a lot of people run the hole in the freeze plug, from .125-.250 and redline runs no hole, we also run no hole, but we run our steam port exit at the end of the pump near the freeze plug

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Posted (edited)
37 minutes ago, J Alper said:

I run not T stat also

the Freeze plug is for the bypass hole from the inlet side to the outlet side of the pump, it was a pressure relief valve for plastic radiators so they did not blow appart

a lot of people run the hole in the freeze plug, from .125-.250 and redline runs no hole, we also run no hole, but we run our steam port exit at the end of the pump near the freeze plug

The only reason to run the hole in the freeze plug is that it makes it easier to "burp" the system. You can get away without it if you use a vacuum cooling system filler (recommended for LS engines but not required even though people will tell you it is). If you don't use a Vacuum filler the hole is just a good idea.   make sure the overflow bottle is  3/4 full, then you start the car and bring car to temp with the radiator cap off and run a couple minutes longer, tighten the cap shut the car off, let it cool down and repeat that a couple times - that will usually burp it out. Otherwise you run the risk of hot spots in the cooling system or strange over heat problems.   My buddies in the dealership say they see that all the time  on LS cars especially with "lazy" thermostats - someone refills the system and car overheats occasionally. They burp it with a vacuum filler and it's fixed.

Edited by fullthrottleguy

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I guess I’ll run the Redline set up and call it a day.

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wait what ......... u don't have a heater core in ur sand car ? :moof:

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23 minutes ago, Jonesin' said:

I guess I’ll run the Redline set up and call it a day.

Last time I priced the redline it was way more expensive than a $1.39 freeze plug

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14 minutes ago, fullthrottleguy said:

Last time I priced the redline it was way more expensive than a $1.39 freeze plug

Just free float a freeze plug in the housing? Never heard of the freeze plug deal. My apologies 

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Posted (edited)

You hammer the sumbitch in place where the T-Stat goes. See this thread, might help

 

and don't forget to drill a small hole in it.

Edited by Chingon619

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I prefer to use a thermostat.

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I have had one freeze plug fall out and some pumps are very odd size. I make my own on the lathe and weld them in.  Then I have some brass plugs fit tight.  Cbm uses a retainer compound. 
the redline might be the easiest way 

also putting a hole in the center is not the best idea The concept is to bleed as much air out so if I do a hole it is all the way left 

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5 hours ago, Jonesin' said:

Just free float a freeze plug in the housing? Never heard of the freeze plug deal. My apologies 

you just press it in 

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3 hours ago, J Alper said:

Cbm uses a retainer compound. 

@CBM uses Locktite.

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Freeze plugs fall out.

Shop I talked to have seen 2 in the bottom of the water pump.

Expense in this sport?????  Is that a thing??

 

:makerain:

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Posted (edited)
4 hours ago, lincster said:

Freeze plugs fall out.

Shop I talked to have seen 2 in the bottom of the water pump.

Expense in this sport?????  Is that a thing??

 

:makerain:

There are literally Millions of cars on the road   their engines on the road with freeze plugs since 50's they don't fall out if you use the right size - none have locktite -

 

Edited by fullthrottleguy

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4 hours ago, lincster said:

Freeze plugs fall out.

Shop I talked to have seen 2 in the bottom of the water pump.

Expense in this sport?????  Is that a thing??

 

:makerain:

That's why I said "you hammer the sumbitch in" mine went in extremely tight. I was railing on it with a hammer to the point I was afraid of breaking the pump. Did I? Nope! That plug is in for good! Probably could've shaved a .00001 off the edge, but I just let the pump do that as it went in. 

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20181031_155128.jpg

 

20181103_144326.jpg

1 1/4" freeze plug.

 

20181103_144948.jpg

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4 minutes ago, L.R.S. said:

20181031_155128.jpg

 

20181103_144326.jpg

1 1/4" freeze plug.

 

20181103_144948.jpg

Ahhh the elusive images people needed!!! Thank you again! 

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Don’t bash the messenger. Just relaying what I was told. 
 

I went the redline route. 

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2 hours ago, lincster said:

Don’t bash the messenger. Just relaying what I was told. 
 

I went the redline route. 

i have had one fall out, and have to chase a heating issue

My next one will be a redline or still weld them in

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Sounds like the freeze plug is the way to go however I run the mr gasket t stat with holes drilled in it and have not had any issues there either. 

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I run a mr gasket t stat with holes drilled also.... IMG_2731.thumb.jpg.393c8a2043144d5eebe1617e7c0935ab.jpgIMG_2732.thumb.jpg.2a540d6b6fccd2aa6f729f06211a9595.jpgIMG_2733.thumb.jpg.7a50c55b762d923594522be48b28f75b.jpg

 

 

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I picked up a t-stat today. I couldn’t find a freeze plug close enuff

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