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Best thermostat out there #1660539
08/18/14 09:59 AM
08/18/14 09:59 AM
Joined: Aug 2003
Posts: 8,828
Houston, Tx
hemi68charger Offline OP
master
hemi68charger  Offline OP
master

Joined: Aug 2003
Posts: 8,828
Houston, Tx
Hey gang..
Question, what are ya'lls experience with quality thermostats? I was running the Hemi in the Daytona this weekend and the dang new thermostat didn't open and the car got to 250 real quick... Freaked me out a wee bit. Got her back in the garage with now harm I believe, just some steam out the radiator.... But, I will replace the thermostat, but want to put a good performer in there this time..


Troy
Houston Mopar Connection Club
'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi)
'69 Charger 500 440 - 4speed - 3.54 Dana
'70 Road Runner 383 - 4speed - a/c (now with 440)
Re: Best thermostat out there [Re: hemi68charger] #1660540
08/18/14 10:01 AM
08/18/14 10:01 AM
Joined: Jan 2003
Posts: 21,074
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: 21,074
Niles , Ohio
IIRC I used a super stat from Summit.I believe its a Moroso.Been in at least 15 years and no problems.Rocky


Chrysler Firepower
Re: Best thermostat out there [Re: hemi68charger] #1660541
08/18/14 11:07 AM
08/18/14 11:07 AM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
R
RapidRobert Online content
Circle Track
RapidRobert  Online Content
Circle Track
R

Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
You just run into a bad one. Get another name brand (Stant etc) & work the plunger several times to make sure it is free then suspend it in a pot of water & bring it to just below boiling & confirm that it opens. Best would be to use a candy thermometer to confirm it opens within ~5 deg of it's rated temp. A Moroso racing stat might be a better choice yet. No Robertshaw, when it came out it was touted as a trick piece (not sure what the trick was, maybe it opened further) but my parts man couldn't believe the # of comebacks they had with em


live every 24 hour block of time like it's your last day on earth
Re: Best thermostat out there [Re: hemi68charger] #1660542
08/18/14 11:41 AM
08/18/14 11:41 AM
Joined: Dec 2007
Posts: 18,157
Mass
DAYCLONA Offline
I Live Here
DAYCLONA  Offline
I Live Here

Joined: Dec 2007
Posts: 18,157
Mass
I run the Milodon 16406 180 degree in most of my toys big and smblk



Summit carries it for about $20

Re: Best thermostat out there [Re: hemi68charger] #1660543
08/18/14 11:47 AM
08/18/14 11:47 AM
Joined: Jan 2003
Posts: 9,436
Blair County,PA
62maxwgn Offline
master
62maxwgn  Offline
master

Joined: Jan 2003
Posts: 9,436
Blair County,PA
Quote:

Hey gang..
Question, what are ya'lls experience with quality thermostats? I was running the Hemi in the Daytona this weekend and the dang new thermostat didn't open and the car got to 250 real quick... Freaked me out a wee bit. Got her back in the garage with now harm I believe, just some steam out the radiator.... But, I will replace the thermostat, but want to put a good performer in there this time..




If I send you the correct O.E.M would that make your day ?







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