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There's a big benefit if you're driving on the highway, or you can turn your fans on at any time (or a lower temp). A 180* by itself will just make the coolant just as warm as a 195* when stopped, but it'll get much cooler on highway driving.
My recommendation, if you're going to do a 160*-180* thermo, do a fan switch at the same time, cause that's the only way you will really benefit from it.
Most GP owners do it at the same time that they do a fan-control mod, just like I'll be throwing in that Casper's swtich when I get my drilled 180* thermo...
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1999 Pontiac Grand Prix GTP (2dr)
"Gold" Package
~drop in K&N
~3.4" pulley
~drilled 180º T-Stat
~Casper's cooling fan switch
~U-bend/Resonator removed
Best 1/4: 13.58 @ 100.17 10/25/03
Best 60': 2.07 (stock RS-A's at 30psi)
Best Dyno: 5/3/03
197.4fwhp/262.4fwtq
Coming Soon....
turbo!!
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