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Oil Pressure Drop With New Oil Cooler


Spirit

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The Suzuki 1150 motor stock has fairly small pipes leading to that waffle iron they call an oil cooler...when you fit an Earl's, the fittings and pipes are bigger ID. Is there a problem with oil pressure after fitting the Earl's (or other) cooler? I know it's not high pressure, but....?

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Same pump flowing oil around the same system so no real difference .  The only difference is that you effectively have the oil cooler with bigger oilway than what the engine has. Once the oil re-enters the engine oil way systems the pressure and flow will be the same as without the cooler because  the same pump will flow the same amount of oil so pressure isn't really affected within the motor. Someone might argue about losses in the system due to friction etc (basic fluid dynamics) but in reality  the GSX engine is more about flow rates than pressure.

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