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Differential Cover Factory vs Aftermarket

Originally Posted by rajmangal7 Would I be damaging the fin if I trimmed it? Would it weaken/cause a leak ? -Raj No

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Old 01-26-2015, 01:55 AM   #1 (permalink)
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Originally Posted by rajmangal7 View Post
Would I be damaging the fin if I trimmed it? Would it weaken/cause a leak ?


-Raj
No
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Old 01-26-2015, 10:13 AM   #2 (permalink)
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No
Just placed the order, thanks for the advice guys
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Old 01-27-2015, 10:56 AM   #3 (permalink)
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The factory one seems to work great if your going to modify it to run an external cooler with Pump.
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Old 01-29-2015, 12:37 AM   #4 (permalink)
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It depends on use. Obviously people who track their cars put much more strain on the LSD than people who only drive their cars on the street. Even if you're doing hard launches all day, you're not subjecting the LSD to the type of lock/unlock cycles that track driving exerts.
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Old 01-29-2015, 06:44 AM   #5 (permalink)
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It's a heat thing. So it's definitely seen more often under the extremes of racing. You could probably get it heated up on the street pretty good too, but you'd be driving like a real a$$hole.
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Old 01-29-2015, 06:48 AM   #6 (permalink)
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I haven't seen it vent out with my quaife and royal purple oil. But I do auto X so its one lap and done, plus long spirited drives haven't seen any vent out either.
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Old 01-29-2015, 07:23 AM   #7 (permalink)
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I upgraded mine when my diff bushing threw up all the jelly filling. As I understand it that in addition to the fins for cooling assistance the Nismo cover is stronger. The company I bought it from say that have pulled several stock covers with cracks in them. I wouldn't of had made the upgrade just for it but my pumpkin was on the ground for diff replacement. Additional cost was basically just the cost of the cover.
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Old 01-29-2015, 12:55 PM   #8 (permalink)
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The Nismo Finned differential cover is supposed to be stronger than the OE cover, The fins help with the heat transfer from the fluid but is mainly aimed for the guys that do lots of spirited driving on the canyons and such. if you plan to use the car for competition use a proper differential cooler with cooler core and pump is HIGHLY suggested.
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Old 01-29-2015, 09:50 PM   #9 (permalink)
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The Nismo Finned differential cover is supposed to be stronger than the OE cover, The fins help with the heat transfer from the fluid but is mainly aimed for the guys that do lots of spirited driving on the canyons and such. if you plan to use the car for competition use a proper differential cooler with cooler core and pump is HIGHLY suggested.

I got a reply here but still none on the other thread ....


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Old 01-30-2015, 06:27 AM   #10 (permalink)
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FWIW, I use the arc cool fins on the diff cover too. I have no way of datalogging its impact (if any) on the dif, but it definitely helps pull heat off of the oil pan.
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Old 01-30-2015, 08:30 AM   #11 (permalink)
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FWIW, I use the arc cool fins on the diff cover too. I have no way of datalogging its impact (if any) on the dif, but it definitely helps pull heat off of the oil pan.

Where did you get them? Google comes up dry for places to buy them
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Old 01-30-2015, 10:01 AM   #12 (permalink)
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Where did you get them? Google comes up dry for places to buy them
I bought mine from chops lol
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Old 01-30-2015, 11:36 AM   #13 (permalink)
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I bought mine from chops lol

Assume that's a forum member
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Old 01-30-2015, 07:01 AM   #14 (permalink)
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Changed my diif fluid with motul no issues, pushing over 600whp..
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Old 01-30-2015, 11:37 AM   #15 (permalink)
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Correct. I think he got them straight from Japan. Maybe PM him?
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