What is my 1985 trans ams running temp
07-01-2010, 08:25 PM
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Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: What is my 1985 trans ams running temp
It should have a 195 thermostat, and what the gauge reads depends on who made it. If it's original Pontiac, it's way off. If it's modern Auto Meter or similar, no need to worry until it hits 120. If you're gonna play with the stat, a 180 would help power but hurt mpg and engine wear. Either way, drill a small steam hole in the stat.
07-01-2010, 09:41 PM
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Car: 1986 Trans-Am
Engine: 305 4 bbl
Transmission: 700R4 auto
Axle/Gears: posi
Re: What is my 1985 trans ams running temp
Mine runs about 175 w/o AC and about 200 with AC. It has a 180 stat and a manual switch for the fan.
07-01-2010, 09:47 PM
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Car: 1985 trans am
Engine: V8 305 tpi
Re: What is my 1985 trans ams running temp
well the middle of my temp gauge reads 220, but we just put a 195 thermotstat in and its bee running 220
07-01-2010, 10:02 PM
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Car: 1986 Trans-Am
Engine: 305 4 bbl
Transmission: 700R4 auto
Axle/Gears: posi
Re: What is my 1985 trans ams running temp
The 195 stat is what it calls for. 220+ is what GM intended these cars to run at, which most people think is way too hot. If factory, our fans don't even kick on until I believe 228? I wouldn't be concerned unless you get over 240+
07-02-2010, 10:58 PM
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Car: 91 LT1 RS 89 IROC-Z 350 TPI
Engine: LT1 // 350 TPI
Transmission: WC T5 // 700R4
Axle/Gears: BW 9 Bolt 3.27 //BW 9 Bolt 2.77
Re: What is my 1985 trans ams running temp
GM designed these cars to run hot! 220 Degrees F. Too hot, at these temps, you loose power much needed in these cars, and engine life. I put in a 180 thermostat and a 200 degree on, 185 degree off thermal fan switch) WOW what a difference in power!
GM made them run hot for emissions, and it just makes them run terrible, and sluggish. Take my advice and the cheapest way to power is that thermal switch and a thermostat, all together run you less than $100 bucks. I promise you WILL be happy.
Hope this helps!
GM made them run hot for emissions, and it just makes them run terrible, and sluggish. Take my advice and the cheapest way to power is that thermal switch and a thermostat, all together run you less than $100 bucks. I promise you WILL be happy.
Hope this helps!
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