I'm wondering if this is normal or maybe my sensor is f*cked? I also read some ppl saying that the oil temp and water temp should be pretty much the same. Well my oem water temp from the ECU ( changed the sensor this year) show a 60-70 celcius. so my oil temps is like 2x the temp of my water. I think theres something wrong with my sensor or my cooling.
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My oil temp is reading 110-130 after a 20 minutes drive..
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My oil temp is reading 110-130 after a 20 minutes drive..
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is your water temp close to your oil temp * normal driving* ?Need detailing done to your car? I'm open to travel to detail your car :
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Anything above 90 degrees C is too high with oiltemps (Mild modded RB20DET can reach 90 degrees C after a drive and has no oilcooler or heat exchanger like stock RB26, RB25 do). Race engines can run in 60-90 degrees range and oiltemps should be similar (stock is 80-90 degrees for coolant temp with stock thermostat).
Did you pull the dipstick and check the colour of oil on tip? Did you do a compression test?? Did you check coolant colour???
Why I ask, as I'm just checking that it did blow seal around cylinders and heat from cylinder didn't get into oil system.RESPONSE MONSTER
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Compression was done last year and cant recall the number but from memory everythign was around 160. Coolant has been changed 2 weeks ago. Oil is somewhat black butthats because I use royal purple which is dark purple to start with.
However, I do not have the stock heat exchange/oil cooler fitted on the block. It has been removed while the motor was beeing rebuild. I asked a mechanic if it could be reffited and his answer was that I needed to remove the motor again.Need detailing done to your car? I'm open to travel to detail your car :
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I inquired about oil temps (how hot is too hot) with a teck from a BMW race team and apparetly max oil temps should never exceed about 125c. Normal driving depending on different factors between 80-90c.
My coolant temp w/o a/c on stays between 80-83c, slightly highernwith ac running and max on the track is ~90c.
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Thanks! Good news, car is getting stored in less than 2 weeks but I will def. have to check that before the hot day come up next season! Only thing I can think is that my oil temp sensor is from greddy and my unit is from Ark design. So, maybe I should get myself an Ark design sensor and will know for sure if my reading are good or not.Need detailing done to your car? I'm open to travel to detail your car :
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Originally posted by frankiman View Postwell my water thermostat is at 64 and my oil thermostat is at 75..
so thats my normal driving temps1992 BNR32 SKYLINE GTR
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Originally posted by bobbo View Postapparetly max oil temps should never exceed about 125c. Normal driving depending on different factors between 80-90c
CST rating is done at 100 degrees C and how thick it is (cst rating) for w30, w40, w50, etc are mentioned in this PDF -
The UK's largest independent supplier of automotive oils, fluid and parts. We've products to suit any vehicle, from full blown Race / Track weapons, to Daily Drivers looking to save money. Plus FREE expert advice & recommendations - OPIE KNOW OILS
Note the w30 cst rating at 100 degrees C. I use a 10w40 (10 is recommended for hydraulic lifters, but it's suggested I should run 5w for better cold starting) due to engine has done high km's (clearances have widened).
Originally posted by cobrAAHowever, I do not have the stock heat exchange/oil cooler fitted on the block. It has been removed while the motor was beeing rebuild. I asked a mechanic if it could be reffited and his answer was that I needed to remove the motor again.RESPONSE MONSTER
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Originally posted by Skym View PostDepends on what oil you are using, each oil (w40, w50, w60, etc) has a oiltemp where it gets too thin (cst) and breaks down. Too thick and it fails to get too bearings at higher rpm (could get bearing failure) and get rougher idle, sluggish response, etc. Factory is 7.5w30. Still have a sticker from factory (side of centre console on drivers side) and it says 5w30 on it for oil. If have a forged race engine the clearances change with forged pistons, so does oil you use.
CST rating is done at 100 degrees C and how thick it is (cst rating) for w30, w40, w50, etc are mentioned in this PDF -
The UK's largest independent supplier of automotive oils, fluid and parts. We've products to suit any vehicle, from full blown Race / Track weapons, to Daily Drivers looking to save money. Plus FREE expert advice & recommendations - OPIE KNOW OILS
Note the w30 cst rating at 100 degrees C. I use a 10w40 (10 is recommended for hydraulic lifters, but it's suggested I should run 5w for better cold starting) due to engine has done high km's (clearances have widened).
That explains it. What size oilcooler core are you using and what's the hp of engine??? If oilcooler core is incorrectly sized to application, oiltemps can rise to higher levels than they should. If have stock heat exchanger, can run smaller oilcooler core (same applies to autotrans oilcooler cores, where without heat exchanger in bottom of radiator, fit a bigger oilcooler core).Need detailing done to your car? I'm open to travel to detail your car :
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