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Cooler thermostat = better power and efficiency?

frogsta

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I've been reading and a there's a lot of different opinions on this. Can anybody clarify whether these would give better efficiency, given that I'm not constantly flooring it?
 

LS1 James

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Well i put mine in yesterday and i can tell you it did nothing performance wise.
 

ephect

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It can help ur engine run cooler thus unleashing extra power but dnt expect to feel it as u mash the go pedal.

Think of it this way, do more of these small mods and u may gain that extra bit of something.
 

PRAVX II S

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whats wrong with the factory one?
engines have optimum temperature range
 

BowTie

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Cooler thermos require corresponding adjustments to your ecu tune.

If the engine doesnt detect itself to be up to the correct temp it will be worse than a standard one.

The operating temperature setpoint in the ecu needs to be matched to the thermo.
 

savage1987

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Nothing to gain from running a cooler thermostat on any near stock car.

It will actually decrease your engine's efficiency by bumping it outside the temp. range it was designed to burn most efficiently in.


Waste of money.

Sam
 

Shearer

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I put a cooler thermostat in an Ecotec V6 almost 3 years ago. No issues with the car since.

Give it a go and see what you think :)
 
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