170 thermostat

stanger8172 · 01-21-2001, 04:02 AM

I have a 170 thermostat and was just wondering if I should have a 180 or 195 in. I heard that running a little hotter might wake up a few ponies.It runs ALOT cooler than when I got it bone stock. Anyone have any suggestions?

'91 LX 5.0 HO, ported,polished,and milled .030 stock heads with triple valve springs and 194/160 stainless valves, 1.6 rr, removed air silencer w/K&N, March A/C eliminator, air pump removed, two electric fans out of the engine compartment in front of stock radiator

Jeff Chambers · 01-21-2001, 09:25 AM

You shouldn't be running anything less than a 190F thermostat if you're still EEC-IV controlled. At 170F, the computer would never getting out of warm-up mode which will result in reduced timing and richened fuel.

Put a 190F in it.

------------------
Jeff Chambers
Trophy Stock #3
11.97 Seconds / 114.5 MPH
Chambers Racing Team

Mach 1 · 01-21-2001, 03:58 PM

where do u live? Run the thermostat temp. rating that will keep your car running at the temp you want it for the climate u live in. I have to run a 180 high flow stat (i wouldnt go lower than 180) and my car still runs hot in the summer, and in the winter, sometimes doesnt get up to 180 at all.

------------------
1993 GT/AOD
'93 Mustang GT

01-21-2001, 04:02 AM	#1
stanger8172 Registered Member Join Date: Nov 2000 Location: Milwaukee,Wisconsin Posts: 380	170 thermostat I have a 170 thermostat and was just wondering if I should have a 180 or 195 in. I heard that running a little hotter might wake up a few ponies.It runs ALOT cooler than when I got it bone stock. Anyone have any suggestions? '91 LX 5.0 HO, ported,polished,and milled .030 stock heads with triple valve springs and 194/160 stainless valves, 1.6 rr, removed air silencer w/K&N, March A/C eliminator, air pump removed, two electric fans out of the engine compartment in front of stock radiator

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01-21-2001, 09:25 AM	#2
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	You shouldn't be running anything less than a 190F thermostat if you're still EEC-IV controlled. At 170F, the computer would never getting out of warm-up mode which will result in reduced timing and richened fuel. Put a 190F in it. ------------------ Jeff Chambers Trophy Stock #3 11.97 Seconds / 114.5 MPH Chambers Racing Team

01-21-2001, 03:58 PM	#3
Mach 1 Registered Member Join Date: May 1999 Location: Georgia Posts: 3,866	where do u live? Run the thermostat temp. rating that will keep your car running at the temp you want it for the climate u live in. I have to run a 180 high flow stat (i wouldnt go lower than 180) and my car still runs hot in the summer, and in the winter, sometimes doesnt get up to 180 at all. ------------------ 1993 GT/AOD '93 Mustang GT