View Full Version : Synthetic oil?

Buck Master
05-18-2005, 12:22 PM
Is there any reason not to use synthetic oils in the diffs, tranny and transfer case? I have eveything apart at the moment and would like to switch to Redline synthetic? I heard that synthetics are more proned to leak past seals. Is that true?

05-18-2005, 12:34 PM
true, it leaks if its not sealed really good.


85 SJ413 Chopped & Decked, Locked & Loaded!


05-18-2005, 12:44 PM
I found that i developed some small leaks that were not their before i just use the regular shit now

Smokin grass & haulin ass

05-18-2005, 04:24 PM
i think using synthetic for that is a waste.. well acually i think its a waste of money using it for everything.. better to use cheap shit and change it more often.

1990 Toy P/U, Lifted, 35" drag slicks

05-18-2005, 05:15 PM
I just put it in my diffs ,transfer case, and trans don't Know if will spring leaks or not, probably will but due to the fact it hasn't moved in 20 years. I think syn oil is good seen trans ran out of oil that where ok due to the oil.

05-18-2005, 05:46 PM
Synthetic is good stuff, it holds up really well to anything and everything. The only problem is keeping it where it needs to be. It's slippery as hell and flows too well for its own good. And it's pricey. Regular shit will likely do the job, so it's your call.

I'm not a drunkaholic, occifer...

05-18-2005, 06:25 PM
I put Redline MT90 into the tranny & t-case of my old Toy. Really helped smooth the shifting on cold mornings.

Daily Driver: '83 RX-7
Old rig: '89 4Runner 'The Last Ride (http://www.funinbc.com/forum/topic.asp?TOPIC_ID=14144)'

New Rig: '80 Toy "4Runner" soon to be on 36" SXs with dual t-cases [8D]

05-18-2005, 11:53 PM
i wont touch it and never will.
1-to freakin expensive
2-to freakin expensive
3-they do love to eat through seals
4-what wrong with your average shit, its worked this whole time hasnt it?
5-to frakin expensive

f**ked right up coming up!!