Is a 160°performance thermostat ok to use in my marauder? I mean itll keep the engine cooler wont it?
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Is a 160°performance thermostat ok to use in my marauder? I mean itll keep the engine cooler wont it?
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73 is the best number.
No, it won't. Plus, cooler is not better...engines are most efficient and have lower wear at the temperature the manufacturer designed. In addition, you'd need to be tuned for one that low.
The Blackbird
Trilogy #61
Driveway Queen
The Spruce Goose
2004 Grand Marquis LS Limited Edition
Daily Driver
Weißbirke Plünderer
what RF said...thermostat needs a tune if not stock which i think is 192. a 180 may be of some use if tuned for it.
2004 SB Ported Trilogy 48
Has supporting mods and stuff
Thanks to Marty O for his help in updating this car.
R.I.P.
Rex "SC Cheesehead"
Turbo Marauder
The only thing you 'tune' for is changing the temperature the cooling fan turns on. THATS IT
Everything Marauder, LEDs & HI
I run a Reisch Performance 170 stat. Marty modified his tune for it. I get consistent temps between 170 & 178.
https://reischeperformance.com/
Good info on cooling system in general, why a low temp stat, 160 vs 170 vs 180 stats, 4.6DOHC refill / burp procedure, more ways to improve your cooling system and tuning parameters.
“When you can’t make them see the light, make them feel the heat.”
Ronald Regan
"The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."
Lt. Colonel Ralph Peters
“Be polite, be professional, but have a plan to kill everybody you meet.”
"I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
General James Mattis
73 is the best number.
The factory thermostat is 188°, so it's already several degrees cooler than any Crown Vic or Grand Marquis. The problem is that parts store computers think the MM is just a fancy GMQ and don't realise there's a difference.Originally Posted by RubberCtyRauder
The Blackbird
Trilogy #61
Driveway Queen
The Spruce Goose
2004 Grand Marquis LS Limited Edition
Daily Driver
Senior Member
If your engine never reaches the correct engine temperature, the computer will retard the transmission shift points and sometimes the overdrive will not fully engage and it will waste more gasoline. I thought that with a tune you could correct this but no.
2003 Mercury Grandma on steroids
Member
fastblackmerc,
Thanks for that link. That is indeed a great writeup on lower temp 'stats. Sounds like Reisch know their stuff.
Ditto everyone on this thread. I learn so much from this forum. Getting a Marty tune soon for stock '04 and now I know what to plan for.
Keith in Houston
-04 DTR
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