Re: Water Wetter opinions ?????
[Re: LimeliteAero]
#2844051
11/09/20 03:02 PM
11/09/20 03:02 PM
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Joined: Jan 2003
Posts: 5,439 So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,439
So Cal
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IMHO... I don't like using any additive... Putting them into the cooling system in our old engine blocks sometimes depending upon certain chemicals can loosen up some crud which can block the radiator runners.. Cooling our older built Mopar engines is not rocket science simply takes understanding the basics about radiators, thermostadts, fans, shrouds and engine specs like jetting and timing. Just my $0.02...
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Re: Water Wetter opinions ?????
[Re: Sinitro]
#2844174
11/09/20 05:54 PM
11/09/20 05:54 PM
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Joined: Jun 2003
Posts: 21,427 It's a dry heat
gtx6970
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It's a dry heat
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Wife and I took it out for a drive last nite, without doing anything to it before hand except ck coolant level, And it was approx 1" above the coolant tubes,,,, So we took off. As I wanted to try again before doing anything to it
Drive into town , Non expressway but still run approx 50 mph for almost 12-13 miles. Per the gauge car never got to half way up the gauge, Just barely under that. Made a couple stops with maybe lasting 10-15 minutes heat soaks. Fired right back up , Gauge was nearly 3/4 the way up but cooled right back down the below half. Did this 3 times with same results.
On the way home right away it crept back up to 3/4 way up the gauge and stayed there all the way home ( again a little over 12 miles ,,,give or take )
Once home took temp gun and said temp right at thermostat hsg was about 215 or so with gauge still showing right about 3/4 ,,,maybe just under that. Inside the rad top is spotless so I have my doubts its a radiator issue. It was recored the time the car was done.,,,,, And driven very little
So, with that ,,,, Something tells me I have a Tstat acting up
I live in an area where antifreeze is really not needed. SO,,,,,,,I am going to drain, flush it even remove the block drain plugs as well and refill with distilled water , Refill with an additive thrown in for good measure replace the thermostat with a new one. and go from there .
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Re: Water Wetter opinions ?????
[Re: gtx6970]
#2844328
11/10/20 12:16 AM
11/10/20 12:16 AM
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Joined: Jan 2003
Posts: 27,467 So Cal
autoxcuda
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,467
So Cal
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Wife and I took it out for a drive last nite, without doing anything to it before hand except ck coolant level, And it was approx 1" above the coolant tubes,,,, So we took off. As I wanted to try again before doing anything to it
Drive into town , Non expressway but still run approx 50 mph for almost 12-13 miles. Per the gauge car never got to half way up the gauge, Just barely under that. Made a couple stops with maybe lasting 10-15 minutes heat soaks. Fired right back up , Gauge was nearly 3/4 the way up but cooled right back down the below half. Did this 3 times with same results.
On the way home right away it crept back up to 3/4 way up the gauge and stayed there all the way home ( again a little over 12 miles ,,,give or take )
Once home took temp gun and said temp right at thermostat hsg was about 215 or so with gauge still showing right about 3/4 ,,,maybe just under that. Inside the rad top is spotless so I have my doubts its a radiator issue. It was recored the time the car was done.,,,,, And driven very little
So, with that ,,,, Something tells me I have a Tstat acting up
I live in an area where antifreeze is really not needed. SO,,,,,,,I am going to drain, flush it even remove the block drain plugs as well and refill with distilled water , Refill with an additive thrown in for good measure replace the thermostat with a new one. and go from there . Sounds like a plan You need some sort of rust preventive and lubricants.
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Re: Water Wetter opinions ?????
[Re: AndyF]
#2844553
11/10/20 03:11 PM
11/10/20 03:11 PM
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Joined: Jun 2003
Posts: 21,427 It's a dry heat
gtx6970
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That should work for you. Distilled water and one of those bottles and see how it works. Be interesting to see what you find when you pull the thermostat. Did you check to see if your thermostat seems to be working properly now? Top hose should be cool until the thermostat opens and there shouldn't be flow in the radiator. So fairly easy test to run. No signs of coolant flow looking in the top of the radiator on a cold start . Ive ordered a couple different thermostats to test out, in both temp ranges and style .
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Re: Water Wetter opinions ?????
[Re: 360view]
#2844574
11/10/20 04:17 PM
11/10/20 04:17 PM
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Joined: Jun 2003
Posts: 21,427 It's a dry heat
gtx6970
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While waiting for the thermostats to arrive, maybe remove the stock temperature sensor and submerge it in boiling water with its wiring still connected in order to see where 211 degrees is on the needle of the original dash gauge? thanks, i will have to try this
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Re: Water Wetter opinions ?????
[Re: RJS]
#2845315
11/12/20 01:28 PM
11/12/20 01:28 PM
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Joined: Jun 2003
Posts: 21,427 It's a dry heat
gtx6970
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I would bet that spring helps you fix this Bill. Ron Thanks Ron, I'm trying to cover ALL the bases / ideas at one time. So odds are I may never know EXACTLY what fixes it. I just want to cool it off a little bit and not have to worry about it . I plan to drive this car A LOT ,,,,unless of course its 110 degrees out. Then it will hibernate. LOL
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Re: Water Wetter opinions ?????
[Re: AndyF]
#2845345
11/12/20 02:02 PM
11/12/20 02:02 PM
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Joined: Jun 2003
Posts: 21,427 It's a dry heat
gtx6970
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OP
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It's a dry heat
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If you could overdrive the water pump rather than underdrive it then you'll be better off for the way you drive the car. Hemi engines were set up for high rpm but if the car isn't going to be raced then overdriving the water pump is a good idea. I'll see what happens to it after my changes . If it still runs warm will look at changing pulleys , or maybe go to a higher flow pump
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Re: Water Wetter opinions ?????
[Re: gtx6970]
#2845434
11/12/20 04:33 PM
11/12/20 04:33 PM
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Joined: Aug 2011
Posts: 2,856 Pattison Texas
CSK
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master
Joined: Aug 2011
Posts: 2,856
Pattison Texas
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If you could overdrive the water pump rather than underdrive it then you'll be better off for the way you drive the car. Hemi engines were set up for high rpm but if the car isn't going to be raced then overdriving the water pump is a good idea. I'll see what happens to it after my changes . If it still runs warm will look at changing pulleys , or maybe go to a higher flow pump Its more about the fan RPM at low speeds than water flow.
Last edited by csk; 11/12/20 04:33 PM.
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: Water Wetter opinions ?????
[Re: gtx6970]
#2846379
11/15/20 12:58 AM
11/15/20 12:58 AM
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Joined: Sep 2017
Posts: 287 NW Illinois
MoonshineMattK
enthusiast
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Joined: Sep 2017
Posts: 287
NW Illinois
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While waiting for the thermostats to arrive, maybe remove the stock temperature sensor and submerge it in boiling water with its wiring still connected in order to see where 211 degrees is on the needle of the original dash gauge? thanks, i will have to try this Can also check the new and old thermostats this way
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Re: Water Wetter opinions ?????
[Re: MoonshineMattK]
#2846543
11/15/20 12:49 PM
11/15/20 12:49 PM
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Joined: Feb 2014
Posts: 1,705 central il.
second 70
top fuel
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Joined: Feb 2014
Posts: 1,705
central il.
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While waiting for the thermostats to arrive, maybe remove the stock temperature sensor and submerge it in boiling water with its wiring still connected in order to see where 211 degrees is on the needle of the original dash gauge? thanks, i will have to try this Can also check the new and old thermostats this way I put my new stat in pot of water with baking thermometer and checked the real temp it opened then I installed it in the engine and left radiator cap off. Warmed up engine and watched radiator and when thermostat opened checked gauge and knew what the real temp was and where it read on the gauge.
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