Thermostat
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 25
From: Austin Texas
The stock tune constantly moniters coolant temp and intake air temp and adjusts the timing to get the highest timing advance (power) without pre-ignition.
Safety Car
Joined: Jan 2004
Posts: 4,974
Likes: 14
From: Pinellas Park Fl
St. Jude Donor '08-'09 & '12, '14
Stock tune allows advanced timing with coolant temperatures below 187°, by keeping coolant temps low you gain power even without a tune.
The stock tune constantly moniters coolant temp and intake air temp and adjusts the timing to get the highest timing advance (power) without pre-ignition.
The stock tune constantly moniters coolant temp and intake air temp and adjusts the timing to get the highest timing advance (power) without pre-ignition.
Mine generally runs between 185 and 190 for the most part and during the summer closer to 190 or higher, so really, unless you change your fan settings I don't see a point.
Drifting
Joined: Apr 2010
Posts: 1,443
Likes: 7
From: Bristol raceway area
Stock tune allows advanced timing with coolant temperatures below 187°, by keeping coolant temps low you gain power even without a tune.
The stock tune constantly moniters coolant temp and intake air temp and adjusts the timing to get the highest timing advance (power) without pre-ignition.
The stock tune constantly moniters coolant temp and intake air temp and adjusts the timing to get the highest timing advance (power) without pre-ignition.
Our cars run 172-176* cruising which is right where i like it
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Burning Brakes
Joined: May 2011
Posts: 768
Likes: 11
From: austintown ohio
Thermostat will open sooner sitting in line at strip so engine will stay below opening temp of stock thermostat longer before timing is pulled, if you time it right no timing is pulled before you make your run!
Pro
Joined: Jan 2008
Posts: 642
Likes: 48
From: New Jersey
When I put a 160° thermostat in my Z06 it made no difference unless cruising above 20-30 mph as the fan didn't come on until 204° and then it came on for only 15%. So sitting in the staging lanes the temp still went to 215-220. Got a tuner and changed the fan settings. Now runs 175 cruising and 195 idling.