quick question
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Member
Joined: Mar 2005
Posts: 152
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From: spartanburg, sc
Car: 1989 rs RIP, 96 grand marquis, 92rs
Engine: LO3, 4.6l, L03
Transmission: 700r4, AODE,700r4
Axle/Gears: 2.73, 3.08, 2.73
quick question
what does the diffrent temp. thermo. do. 9i have a 195 in mine i belive. i live in georgia and it is on average about 75 to 80 degrees. should i run a lower thermo. like 160 or 180 and what diffrence will it make
TGO Supporter
Joined: Jul 2003
Posts: 4,803
Likes: 2
From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
these engines are designed to run hot. Running them hotter means running them cleaner as the hotter the engines (within limits, of course) means less emissions outputs. All a lower thermostat will do is circulate the coolant at a lower temperature - aka run a little bit cooler. 180 is fine, personally i wouldnt venture much lower.
Supreme Member
Joined: Feb 2005
Posts: 1,034
Likes: 0
From: Fort Lauderdale, FL
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 2.73 Posi w/Disc
Anything lower than ~180* will probably make things worse unless you start reprogramming PROMS for the ECM.
Senior Member
Joined: Aug 2001
Posts: 814
Likes: 2
From: San Jose, CA, USA
Car: 88 IROC-Z - original owner!
Engine: LB9 with K&Ns, MSD, Foil, Taylor
Transmission: WC T-5
Axle/Gears: BW 9-bolt, 3.45 posi
I run a 180 in mine. Runs fine, passes smog. IMO the engine will last longer if you run it a bit cooler, but not too cool.
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