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rad flush #1053160
08/14/11 11:57 PM
08/14/11 11:57 PM
Joined: Jul 2005
Posts: 1,044
minnesota
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president61 Offline OP
super stock
president61  Offline OP
super stock
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Joined: Jul 2005
Posts: 1,044
minnesota
what is the best radiator flush to use? My coronet isn't really cooling like I think it should so i want to try this first.

Re: rad flush [Re: president61] #1053161
08/16/11 10:34 AM
08/16/11 10:34 AM
Joined: Jan 2003
Posts: 5,270
Missouri
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MY340 Offline
master
MY340  Offline
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Joined: Jan 2003
Posts: 5,270
Missouri
I've always used Prestone Super Flush but there may be a better product out there. Make sure your clutch fan is doing it's job. Mine was bad and couldn't keep temps down on hot days.


1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.
Re: rad flush [Re: president61] #1053162
08/16/11 10:57 AM
08/16/11 10:57 AM
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
Quote:

My coronet isn't really cooling like I think it should


Draining the coolant down a bit can you see corrosion around the core openings that's suggesting it might b partly plugged? More details; hot at stoplights/on highway/when did it start/any recent mods/changes/what fan/shroud setup. Rad flushes dont work super great as lime buildup is very tough, back flushing has been known to help and or along w removing a freeze plug/checking for extreme debris buildup & if so cleaning all of em


live every 24 hour block of time like it's your last day on earth
Re: rad flush [Re: RapidRobert] #1053163
08/16/11 11:12 PM
08/16/11 11:12 PM
Joined: Apr 2011
Posts: 31
Morgantown, WV
1
1970 Drop Top Offline
member
1970 Drop Top  Offline
member
1

Joined: Apr 2011
Posts: 31
Morgantown, WV
Quote:

Quote:

My coronet isn't really cooling like I think it should


Draining the coolant down a bit can you see corrosion around the core openings that's suggesting it might b partly plugged? More details; hot at stoplights/on highway/when did it start/any recent mods/changes/what fan/shroud setup. Rad flushes dont work super great as lime buildup is very tough, back flushing has been known to help and or along w removing a freeze plug/checking for extreme debris buildup & if so cleaning all of em




I just go my 70 Challenger back on the road, after flushing the radiator normally, it was still running a little hotter than normal. I had the radiator flow tested and back flushed. What a suprise the trash, rust, and dirt that came out during the back flush. Get it back flushed, I am a beleiver.

Re: rad flush [Re: 1970 Drop Top] #1053164
08/16/11 11:42 PM
08/16/11 11:42 PM
Joined: May 2004
Posts: 4,920
Joplin, MO USA
Robbins Offline
master
Robbins  Offline
master

Joined: May 2004
Posts: 4,920
Joplin, MO USA
How do you back flush one?


Moparlee
Re: rad flush [Re: Robbins] #1053165
08/17/11 12:50 AM
08/17/11 12:50 AM
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
R

Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
turn it upside down (vertical) & w a spray nozzle on the end of your garden hose blast it


live every 24 hour block of time like it's your last day on earth






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