Previous Thread
Next Thread
Print Thread
Page 1 of 2 1 2
what temp thermostat #1171069
02/03/12 01:58 PM
02/03/12 01:58 PM
Joined: Jun 2003
Posts: 9,225
Charleston
S
sixpackgut Offline OP
Drag Week Mod Champion
sixpackgut  Offline OP
Drag Week Mod Champion
S

Joined: Jun 2003
Posts: 9,225
Charleston
i need to put a thermostat in the cuda.

what are your opinions on what temp would be best?
running pump gas


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: what temp thermostat [Re: sixpackgut] #1171070
02/03/12 02:02 PM
02/03/12 02:02 PM
Joined: Jan 2003
Posts: 4,152
SO. CAL.
7
70blackfish Offline
master
70blackfish  Offline
master
7

Joined: Jan 2003
Posts: 4,152
SO. CAL.
I run a 160f and my car runs 170-180f

Re: what temp thermostat [Re: 70blackfish] #1171071
02/03/12 02:43 PM
02/03/12 02:43 PM
Joined: Mar 2009
Posts: 1,058
bigfork mn
D
dragram440 Offline
super stock
dragram440  Offline
super stock
D

Joined: Mar 2009
Posts: 1,058
bigfork mn
I also run a 160 and car usually runs 160. If all your cooling parts are sized properly it should run the temp of the thermostat.


67' charger 499 RB 10.57 at 127
Re: what temp thermostat [Re: dragram440] #1171072
02/03/12 03:09 PM
02/03/12 03:09 PM
Joined: Jun 2003
Posts: 9,225
Charleston
S
sixpackgut Offline OP
Drag Week Mod Champion
sixpackgut  Offline OP
Drag Week Mod Champion
S

Joined: Jun 2003
Posts: 9,225
Charleston
it runs about 160. my problem is it takes a 25 mile beating to get it to that point.

i was interested to hear if someone thinks 160 is to cold. only reason i'm asking is because the auto parts stores says a 195 stat is stock and i thought that was kindof high

i didnt have these problems when the engine was in the challenger. i guess no fenderwells and the dual pass rad make a big difference

Last edited by sixpackgut; 02/03/12 03:11 PM.

Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: what temp thermostat [Re: sixpackgut] #1171073
02/03/12 03:40 PM
02/03/12 03:40 PM
Joined: Jan 2003
Posts: 21,076
Niles , Ohio
T
therocks Offline
oh wait.but hey.lets see.oh yeah.
therocks  Offline
oh wait.but hey.lets see.oh yeah.
T

Joined: Jan 2003
Posts: 21,076
Niles , Ohio
We run 180s in all the old stuff.Thy all run at just about that temp.My 440 is super radical and OE rad.Still runs 180 all day.Rocky


Chrysler Firepower
Re: what temp thermostat [Re: sixpackgut] #1171074
02/03/12 03:58 PM
02/03/12 03:58 PM
Joined: Aug 2003
Posts: 43,228
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 43,228
Bend,OR USA
I run a 160 with three 1/8 inch holes drilled through the outer lip to allow air out when filling the cooling system


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: what temp thermostat [Re: Cab_Burge] #1171075
02/03/12 05:21 PM
02/03/12 05:21 PM
Joined: Mar 2009
Posts: 1,058
bigfork mn
D
dragram440 Offline
super stock
dragram440  Offline
super stock
D

Joined: Mar 2009
Posts: 1,058
bigfork mn
Quote:

I run a 160 with three 1/8 inch holes drilled through the outer lip to allow air out when filling the cooling system



Thats a good idea. Does it seem to change the running temp at all?


67' charger 499 RB 10.57 at 127
Re: what temp thermostat [Re: dragram440] #1171076
02/03/12 05:59 PM
02/03/12 05:59 PM
Joined: Jun 2003
Posts: 9,225
Charleston
S
sixpackgut Offline OP
Drag Week Mod Champion
sixpackgut  Offline OP
Drag Week Mod Champion
S

Joined: Jun 2003
Posts: 9,225
Charleston
i choose a 180 high flow over the 160. we'll see how it goes and i drill holes when i run a stat


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: what temp thermostat [Re: sixpackgut] #1171077
02/03/12 06:08 PM
02/03/12 06:08 PM
Joined: Mar 2009
Posts: 1,058
bigfork mn
D
dragram440 Offline
super stock
dragram440  Offline
super stock
D

Joined: Mar 2009
Posts: 1,058
bigfork mn
I have tried the high flow ones and the standard ones and never saw any difference.


67' charger 499 RB 10.57 at 127
Re: what temp thermostat [Re: sixpackgut] #1171078
02/03/12 07:07 PM
02/03/12 07:07 PM
Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
R
rickraw Offline
top fuel
rickraw  Offline
top fuel
R

Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
alot depends on ur cooling system,(rad size). i run a 180. no over heating issues. a 160 doesn't keep the water in the rad long enough to cool. that's what tech said at becool. seeya.

Re: what temp thermostat [Re: rickraw] #1171079
02/03/12 07:35 PM
02/03/12 07:35 PM
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383 Offline
Too Many Posts
70Cuda383  Offline
Too Many Posts

Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
I think for Max power, 160. For optimum engine wear, 195. Best balance for spirited street driving, 180

I had a high flow expensive performance stat, it never would warm up--I think the water pump would push it open too early.

Went to a cheap $6 stant, and it ran at 180. But my E fan was 190 on, 175 off, so I went to a 160 stat do the fan would actuall cycle on and off. It never went over 190 in town, and would hold 160 on the freeway


**Photobucket sucks**
Re: what temp thermostat [Re: rickraw] #1171080
02/03/12 10:25 PM
02/03/12 10:25 PM
Joined: Oct 2004
Posts: 354
Livonia Michigan
440dart Offline
enthusiast
440dart  Offline
enthusiast

Joined: Oct 2004
Posts: 354
Livonia Michigan
Quote:

alot depends on ur cooling system,(rad size). i run a 180. no over heating issues. a 160 doesn't keep the water in the rad long enough to cool. that's what tech said at becool. seeya.




WOW! this rumor rears its ugly head again


Yes I live in Michigan, so there is still 1 light on
Re: what temp thermostat [Re: rickraw] #1171081
02/03/12 10:33 PM
02/03/12 10:33 PM
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
S
StealthWedge67 Offline
master
StealthWedge67  Offline
master
S

Joined: Jul 2006
Posts: 4,319
Puyallup, WA
Quote:

alot depends on ur cooling system,(rad size). i run a 180. no over heating issues. a 160 doesn't keep the water in the rad long enough to cool. that's what tech said at becool. seeya.




With all due respect to BeCool, this "tech" should go back to flipping burgers. He clearly doesn't understand how a thermostat works.


LemonWedge - Street heavy / Strip ready - 11.07 @ 120
Re: what temp thermostat [Re: StealthWedge67] #1171082
02/03/12 10:42 PM
02/03/12 10:42 PM
Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
R
rickraw Offline
top fuel
rickraw  Offline
top fuel
R

Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
why would u say that???

Re: what temp thermostat [Re: rickraw] #1171083
02/04/12 12:44 AM
02/04/12 12:44 AM
Joined: Jun 2006
Posts: 656
Alberta
R
rustbuckett68 Offline
mopar
rustbuckett68  Offline
mopar
R

Joined: Jun 2006
Posts: 656
Alberta
In the late 70's, I was running a '69 Fargo with a 383 built to RR specs with a 'Street Hemi' cam, intake, 780, headers, etc, and even after having the rad re-cored, it ran hot with a 160 Tstat. An older mechanic told me to run a 190 so the fluid would stay in the rad longer. After that, it ran at about 180-190, no matter what I did to it. Seemed to make sense.

Re: what temp thermostat [Re: rustbuckett68] #1171084
02/04/12 01:15 AM
02/04/12 01:15 AM
Joined: Aug 2003
Posts: 1,062
Amherst,NY
challengermike Offline
super stock
challengermike  Offline
super stock

Joined: Aug 2003
Posts: 1,062
Amherst,NY
if your cooling system is up to par it should run close to what the t stat degree is. Also shouldnt matter what degree stat you have your car will get to temp the same amount of time. the stat will just open at the temp to send the water threw the rad to start the cooling process.If you watch a temp gauge you will see the temp drop when it first opens,after that it will stay open and its the rad and fans job to keep it the temp around when the t stat opened. If its hanging open it will take longer or never heat up if the cooling system is doing its job properly.

Re: what temp thermostat [Re: challengermike] #1171085
02/04/12 02:15 AM
02/04/12 02:15 AM
Joined: Jan 2007
Posts: 7,664
IN
A
ahy Offline
master
ahy  Offline
master
A

Joined: Jan 2007
Posts: 7,664
IN
Cooler temps help power slightly - 160F is best. Hotter temps reduce bore wear, 195 is best. For street or mixed street/strip, 180F may be the best compromise. That's what I run.

Re: what temp thermostat [Re: 440dart] #1171086
02/04/12 01:13 PM
02/04/12 01:13 PM
Joined: Feb 2004
Posts: 6,257
acworth / N. georgia - south e...
cheapstreetdustr Offline
master
cheapstreetdustr  Offline
master

Joined: Feb 2004
Posts: 6,257
acworth / N. georgia - south e...
Quote:

Quote:

alot depends on ur cooling system,(rad size). i run a 180. no over heating issues. a 160 doesn't keep the water in the rad long enough to cool. that's what tech said at becool. seeya.




WOW! this rumor rears its ugly head again




so chemistry and physics is bogus?


365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured
[image][/image]
Re: what temp thermostat [Re: cheapstreetdustr] #1171087
02/04/12 01:57 PM
02/04/12 01:57 PM
Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
R
rickraw Offline
top fuel
rickraw  Offline
top fuel
R

Joined: Oct 2010
Posts: 2,408
Ambridge, Pa.
what do u mean??

Re: what temp thermostat [Re: cheapstreetdustr] #1171088
02/05/12 03:25 AM
02/05/12 03:25 AM
Joined: Oct 2004
Posts: 354
Livonia Michigan
440dart Offline
enthusiast
440dart  Offline
enthusiast

Joined: Oct 2004
Posts: 354
Livonia Michigan
Quote:

Quote:

Quote:

alot depends on ur cooling system,(rad size). i run a 180. no over heating issues. a 160 doesn't keep the water in the rad long enough to cool. that's what tech said at becool. seeya.




WOW! this rumor rears its ugly head again




so chemistry and physics is bogus?







This right from Griffins web site

One thing to be careful of though, when designing your system and using a thermostat, is to ensure your water pump has an internal bypass circuit (refer back to #6 in the flow diagrams above). Most do, but some aftermarket high-flow racing pumps do not. For these pumps, a special thermostat with a bypass hole is used, or the user drills their own bypass holes in the thermostat (typically one to three 3/16" holes) so that the system can flow when the thermostat is closed.

If you choose to run without a thermostat, do not use a restrictor. The restrictor will do nothing for you except reduce coolant flow which ultimately reduces cooling.

Years ago restrictors were popular for two reasons that do not hold true today. First, as we have discussed, older radiator designs (large cross-sectional area copper tubes) were poor at promoting the necessary coolant turbulence in the radiator, so a restrictor was used to cause the coolant to begin tumbling as it exited the engine and entered the radiator. Secondly, with engines that had the thermostat located in the outlet of the engine combined with down-flow radiators that had a fairly low pressure radiator cap on the high pressure inlet side, if the thermostat was removed the increased pressure seen by the cap from the water pump could cause the cap's rating to be exceeded and the valve to open and purge coolant. Since this opening of the rad cap is what regulates system pressure, it meant that the overall system pressure would now be lower - the cap would open sooner than if the thermostat were in place holding backpressure in the cylinder head. Since system pressure was now lower, coolant vapour point was lower, and therefore the coolant's ability to effectively carry-off heat from the engine at higher temps reduced. This in turn would result in eventual overheating. Many folks erroneously assumed that the overheating was due to the coolant flowing through the radiator too quickly with the thermostat removed, that it didn't have time to cool in the rad. As a result, restrictors were used to "slow the flow of the coolant" and the car stopped overheating. Unfortunately, these folks didn't understand the real cause and effect of the overheating that they experienced after removing the thermostat, and this led to two enduring myths that persist today.

What was really happening was that the removal of the thermostat didn't cause the coolant to flow too fast to cool (we know this is an impossibility), but rather caused a condition where either system pressure (and therefore coolant vapour point) was lowered or where the rad purged coolant which caused the car to overheat. The end result was the same - the car overheated - but the cause and effect were confused and so the myths that a) removing a thermostat can cause a car to overheat and b) coolant can be pumped too fast through a radiator to cool properly began. Neither of these are true.

Of course, today's cross-flow radiators that locate the rad cap on the low-pressure side, do not subject the rad cap to the maximum pressure created by the water pump and so are not susceptible to the pump forcing coolant past the rad cap. We also know now that all systems benefit from maximum flow - never from reducing flow.

Ultimately, reducers reduce the flow of coolant which actually hurts system cooling efficiency, not improves it.


Yes I live in Michigan, so there is still 1 light on
Page 1 of 2 1 2






Powered by UBB.threads™ PHP Forum Software 7.7.1