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Oil Cooling and Grade, wen hot.

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Old 15-09-2010, 07:07 PM
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m_nettleship
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Default Oil Cooling and Grade, wen hot.

Wat Temps are best suited for say 5-40 to 10-60.

Have a e36 m3 evo track car, oil temps are around the 125 to 130 mark, on hard use, after 3 laps. standard oil cooler, and using a miller 5-40. So weighing up the options on wat to do. Thanks 4 any advice.
Old 16-09-2010, 01:09 AM
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This may help - scroll to bottom on page and then check there viscosities.

http://www.joegibbsracingoil.com/tra...viscosity.html
Old 16-09-2010, 08:52 AM
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Upping to 5w50 would help I'd of thought.
Old 16-09-2010, 08:55 AM
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125 to 130 is not a problem for a decent quality oil in terms of it breaking down, but it might impact how well the pump can work, do you still have good oil pressure?
Old 16-09-2010, 12:36 PM
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not got oil pressure on it, so i dnt no. May give it a good clean an see how it goes, been advised allsorts, changing thermostat, to allow more water to run through engine, take ignition out, bigger cooler, etc etc.
Old 16-09-2010, 12:51 PM
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Take ignition out?

you mean retard the timing and make the engine run hotter?
seems unlikely that will help

Contact Opie Oils for advice, they are normally really forthcoming, im not going to claim they are the worlds defintiive expert but they know more than me or any of the people you have been talking to I would wager.

Not sure if they are still traders on here or not, but if not just drop them an email.
Old 16-09-2010, 12:51 PM
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wouldnt it be best to get a decent aftermarket oil cooler like mocal?

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Old 16-09-2010, 01:23 PM
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115 deg max on these ,dont use Mocal on BMW Evo or E46 engines ,only Setrab Coolers cope with the pressures .
When we dyno'd one in the engine room with out even a std oil cooler it went crazy , we added the std cooler and it was only marginally better so these things are very sensitive to oil cooler size !
Old 16-09-2010, 01:25 PM
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If running a big cooler it might be worth running with a thermostat to control it so its not on when its not needed
Old 16-09-2010, 10:26 PM
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He was meaning if it was mapped, it need some ignition taking out, otherwise retarding it.

im wanting it to have a thermostat, Been told the tds oil cooler is 1 row bigger! and is a straight swap on, give it a good clean and a pressure wash, may be worth doin that first.

Thanks 4 the slicks mister touring car spares!
Old 16-09-2010, 10:29 PM
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Get it up here at the weekend lets have a ripp in it .
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