jwkim

I found out that many drag car uses much THICKer oil on their differetial.
These oil(heard that they are more of silicon based oil) can absorb shocks to rear diff by minimizing back leash.
But I heard that they are so thick that it increases gear friction.

Anyone tried this?
JDM oil company called Omega has very high velocity(something like 90-115) gear oil and I was wondering trying out those to protect my rear diff.

Any comments?

Utah S2K

What you say is correct. The thicker oil will reduce gear shock. The problem is that a drag race it is 1/4 mile. The thicker silicone based oils can't be used for daily driving. If your car is a drag car go for it....

Utah

S2kracka

This would be like Redline Shockproof correct?

jwkim

wondering...why cant be used as daily driver?

honda606

No one is saying you "can't" use it; just probably wouldn't be a wise move.

The LE 607 diff fluid has more than enough shock absorption and meets OEM specs.

Check this thread out...read the first post:

http://forums.s2ki.com/forums/index.php?showtopic=185775

1a-race

hmmm... I wonder why honda makes recommends specifically which type of oil to use?

honda606

Perhaps I'm not understanding what you're saying but all manufacturers specify what grade to use in their differentials.

1a-race

why would they do that?

Lurker1222

Cause they are right, is I think what 1a-race is getting at. In a very sarcastic way. :-p

Squeezer

there have been diff failures from people even after switching to LE 607.