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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 12-23-2014, 01:59 PM   #1
jcw99
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temperature range of differential?

I want to put a temp. gauge in my diff. this winter - does anybody know what the temp. range of a DD rear is. I live in Maryland - our temps here range from 10 F to 100 F. Thanx!
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Old 12-23-2014, 07:24 PM   #2
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I really don't know ...... but, I do feel that the differential would be one of the last of the moving parts in your car, to overheat and cause a problem .....


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Last edited by humfrz; 12-23-2014 at 07:39 PM.
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Old 12-26-2014, 10:35 AM   #3
Element Tuning
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It's really not going to be stressed under street conditions but rear differentials can get 300 degrees in general under racing conditions. I've never actually put a temp sensor in my FRS diff however.
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Old 12-26-2014, 05:57 PM   #4
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if the oil goes over 140 degrees Celcius then it'll break down and your diff bearings will fail

so get a gauge that reads up to 140 Deg C
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Old 08-04-2017, 10:54 AM   #5
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I'm bringing this back from the dead!

I'm curious about the same thing, but only because I've got a mechanical LSD installed and do track days.. So I'm wondering if I'm just being paranoid, or if I should invest in a cooler or larger capacity cover. Any thoughts from the guys racing these with aftermarket diffs?
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