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Engine, Exhaust & Gearbox ECU chips, decats, cam kits,

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Old 28-05-2017, 05:07 PM   #1
Temple
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Oil cooler, yay or nay?

After destroying the oil cooler due to an argument with a tree on the Red Dragon IT Stages yesterday I was wondering if I could run my Peugeot 106 GTI engine without one.

Does anyone else not run an oil cooler on their 1600cc TU engine?


Ta,

Chris
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Old 28-05-2017, 05:23 PM   #2
spdpug98
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I don't run one on mine but I only compete in hill climbs and sprints, if I was doing anything with more miles in I would definitely put one on, my oil was getting quite hot at Goodwood the other week when we had lots of consecutive runs
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Old 02-06-2017, 04:56 AM   #3
sandy309
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Oil to water coolers are a bit more expensive, but much less vulnerable and won't over-cool the oil, as oil to air coolers do (even the with a stat), which is much better for the engine overall.
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Old 03-06-2017, 11:00 AM   #4
Harv
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Is the standard oil/water exchanger not up to the job for modestly modified cars?
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Old 04-06-2017, 06:22 AM   #5
sandy309
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The standard one is perfectly good for modestly modified cars, the money is better spent on a decent quality oil temp gauge, so you can know what the oil is doing, rather than panicking when the standard gauge looks a bit high. The standard gauge is not calibrated and generally runs about the same sweep in real values as the coolant temp gauge. Oil temp guide for decent quality semi or full synthetic, is it must be over 70C to provide adequate lubrication for hard use without excessive local pressure, over around 110C performance you'll see a marginal loss of power as the piston cooling function drops slightly (but barely detectable in reality), up to around 130C is perfectly ok and won't be reached unless you're doing more than 10 mins flat out 8KRPM+, if the engine's properly tuned; beyond that most good oils will still work fine, but the service life of the oil will shorten as the additives begin to separate and possibly boil off. If you have a high peak session, just change the oil, running below 70C on a regular basis is far more damaging to the engine and hopefully this illustrates the importance of having enough oil temp, rather than just cooling it.
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Old 22-06-2017, 03:26 PM   #6
Temple
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I did the Flying Fortress stages on Sunday and it was 31C and the oil temperature gauge sat on the 3rd bar all day! No problems at all

I have decided to not run one for a while and see how I get on.
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Old 28-07-2017, 08:41 AM   #7
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I don't run one also, and no serious issues whatsoever.
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