geotek Posted April 9, 2003 Share Posted April 9, 2003 I just put a new clutch in the daily driver ('83 N/A ZX- stock.) I sent my wife to NAPA for some gear oil (what a helper!) and she brought back some 75-w150. It seemed pretty thick, but summer is coming, and I had to go to work the next day. Now when I start out at 5:00am in the mornings, it's almost impossible to hit 2nd gear, and difficult to get 3rd. Once the car warms up, everything is fine. What type/weight of oil do YOU use successfully? I live in Texas, and it will soon be hot as hades. Should I just wait for summer? Quote Link to comment Share on other sites More sharing options...
SleeperZ Posted April 9, 2003 Share Posted April 9, 2003 For your climate I would think 75W80 would be fine unless you do more road racing than street driving. A synthetic like Red Line would certainly help the shifting if you really wanted to run something like a 150 weight... Quote Link to comment Share on other sites More sharing options...
Synlubes Posted April 10, 2003 Share Posted April 10, 2003 75W-90 Synthetic ! I use this in a car, tranys and diff (welded solid). Any season, any conditions (road / track). AMSOIL, of course http://www.amsoil.com/products/tgr.html Quote Link to comment Share on other sites More sharing options...
j260z Posted April 10, 2003 Share Posted April 10, 2003 the synthetics work really well in the cold. i always run synthetics in my truck because in the last 5 years i've worked up north in the winter. if you think you can come out in the morning at -35 Celcius and try to start your truck with normal fluid in it you might as well go back to bed. i've seen guys driving around in 4 wheel drive dragging the rear end because the diff wouldn't budge. i always run moble 1. it flows well at any temperature and doesn't break down as fast as the normal oils do. it's a bit more but good insurance. that being said i don't know what rating i have but i'll check. Quote Link to comment Share on other sites More sharing options...
Synlubes Posted April 10, 2003 Share Posted April 10, 2003 j260z, Ck the spec sheet at the link I posted above. Much lower and higher operating temp ranges. Quote Link to comment Share on other sites More sharing options...
slownrusty Posted April 10, 2003 Share Posted April 10, 2003 I totally DCarrow - I run Amsoil Synthetic in my tranny and diff - 75W90 all the way! Yasin Quote Link to comment Share on other sites More sharing options...
Guest Zachb55 Posted July 9, 2003 Share Posted July 9, 2003 ok, i didnt want to make a new post and couldnt find the info i need, what wieght would you use in a 280Z 4 speed? I was just about to put my new engine in and i was like, uhhhh, wait just a sec, i need to replace all the stuff that came out of the tranny from a while back too dont i? so now im stumped, but im sure you guys will know. im going to go out on a limb and guess probably about the same as in the ZX five speed, but maybe a little lower viscosity since it never gets over 90 here, and hardly ever over 70 -Zach Quote Link to comment Share on other sites More sharing options...
Synlubes Posted July 9, 2003 Share Posted July 9, 2003 SAME ! 75W-90 Synthetic ! I use this in tranys and diff`s (welded solid)(or not). Any season, any conditions (road / track). http://www.amsoil.com/products/tgr.html Quote Link to comment Share on other sites More sharing options...
David K Posted July 9, 2003 Share Posted July 9, 2003 I use Valvoline Synthetic 90w. I also just grab what is available in local stores. So far, so good. Quote Link to comment Share on other sites More sharing options...
260DET Posted July 9, 2003 Share Posted July 9, 2003 That gearbox has needle rollers in the gear bearings so you don't want a heavy oil. Probably any of the above synthetic suggestions would be good, synthetics retain their protective qualities longer too. But, for the sake of choice, you may wish to try Redline MT-90. Quote Link to comment Share on other sites More sharing options...
Guest Zachb55 Posted July 9, 2003 Share Posted July 9, 2003 hey, thanks a lot guys, ill run into Napa and pick some up in the morning, along with some more freeze plugs (they forgot three in the kit ). -Zach Quote Link to comment Share on other sites More sharing options...
yo2001 Posted July 9, 2003 Share Posted July 9, 2003 Redline MT90 is what I run. It works great. Not so good when the weather is cold but after warmup, it shifts like champ. @7000rpm Quote Link to comment Share on other sites More sharing options...
Guest Zachb55 Posted July 10, 2003 Share Posted July 10, 2003 I ended up going with the NAPA 80W-85W-90 stuff, i hope it works well, i figure it should, thanks for the help guys. -Zach Quote Link to comment Share on other sites More sharing options...
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