Quote:
Originally Posted by texasbound972
Okay, so I have a fully built short block from Crawford with the one off Borg Warner turbo setup from JDL. Quirt Crawford himself said to use 0W-40 Motul. I haven't had any issues with pressure or Temps as long as I have my Perrin oil cooler installed. I haven't tracked it yet but I've been driving it hard on the streets out here in Yuma. Most of the time I don't see oil Temps go over 210. I recently put the oil cooler back on because the Temps when I was cruising on the highway saw 233. I saw some posts that mentioned Temps going to 280. I was freaking out when my oil Temps got to 240. Can someone please post the temp ranges for both coolant and oil? I was told that it's not good to run our cars below 212 oil temp. Need some clarification please. Thanks.
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Run the oil the tuner/builder recomended.
Definitely run an oil cooler with any FI build, its just plain nuts to run FI in a warn/hot climate and track it or drive it hard for extended periods without an oil cooler.
Ideally the oil cooler should have a thermostat so it does not overcool the oil in low ambient temperatures and will let the oil heat up faster from cold start, im pretty sure the perrin cooler would have a thermostat.
modern synthetic oils will handle temps of 280 usually without breaking down, but the problem in these cars is the oil thins out as temps increase (some oils thin more than others) and the oil pressure drops these cars dont make good pressure at high rpm. (you need more pressure as rpms increase)
best to keep your oil below about 240, to keep the pressures up.
In texas where is hot your oil is always going to get hot enough to evaporate off any moisture, its just guys in cold countries that run non thermostaticly controlled oil coolers that may run into issues with oil being to cold, like never gets over 170F or so.
normal driving your going to see coolant temps around the 190-200f and oil arround the same maybe slightly hotter, depends on thermostat in oil cooler and if your running an oil cooler.
track or hard driving the coolant may get over 200F but you would not want it getting over 210F or so.
Oil you probably dont want to get much over 240F but with a good appropriately sized cooler it should never get that high.