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2003 g35..whats better oem fluid or redline/mobile 1 for transmission and Diff?

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2003 g35..whats better oem fluid or redline/mobile 1 for transmission and Diff?

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Old 03-10-2017, 02:21 PM
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2003 g35..whats better oem fluid or redline/mobile 1 for transmission and Diff?

Oem fluid Gl4/Gl5 is almost same price as redline MT and Mobile 1 Diff fluid.

Should i be using OEM fluid?

OEM MT is $20 a quard and Diff is $10 a quart.

What do you guys think?
 
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Old 03-10-2017, 02:47 PM
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I think members like Lost180 who follow the service manual to a T would recommend only using OEM G4 type oils, as the 5 type do not work with our cars.
 
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Old 03-12-2017, 10:37 AM
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You can use AMSOIL synthetic fluids in your differential, anything that allows gears to run cooler and stay clean longer is a good thing! Trans fluid...from my history with Nissan, use OE fluid...Gary
 
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Old 03-12-2017, 11:08 AM
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Be careful with Redline products, they make a lot of track only products that are not suitable for street/dd use at all.

I prefer Motul but Amsoil is good too
 
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Old 03-14-2017, 04:23 AM
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2003 g35..whats better oem fluid or redline/mobile 1 for transmission and Diff?-photo308.jpg2003 g35..whats better oem fluid or redline/mobile 1 for transmission and Diff?-photo425.jpg2003 g35..whats better oem fluid or redline/mobile 1 for transmission and Diff?-photo777.jpg

Done with diff trans and sparks. Car driving great and shifting so smooth
 
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Old 03-14-2017, 10:11 AM
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Originally Posted by goto35 View Post
Attachment 177781Attachment 177782Attachment 177780

Done with diff trans and sparks. Car driving great and shifting so smooth
Uhh, so what type and brands of fluids did you use?
 
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Old 03-14-2017, 10:16 AM
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Oem for mt.

Mobile 1 for diff.

Got mt oil at Nissan dealer. Also bought pennzoil diff oil at Nissan 80w but ended not using after i called Infiniti dealer. That 80w oil was not synthetic.

Infiniti dealer dealer said they used a 75w syhthedic oil pennzoil for dif. Figured mobile 1 was even better
 
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Old 03-14-2017, 10:37 AM
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Originally Posted by goto35 View Post
Oem for mt.

Mobile 1 for diff.

Got mt oil at Nissan dealer. Also bought pennzoil diff oil at Nissan 80w but ended not using after i called Infiniti dealer. That 80w oil was not synthetic.

Infiniti dealer dealer said they used a 75w syhthedic oil pennzoil for dif. Figured mobile 1 was even better
Thanks for updating, one of my pet peeves is reading threads like this without an update .

I also used the OEM Nissan HQ Multi for the gearbox but cold performance is still not that great. Will always wonder if dropping one viscosity down to a 75W80 would help. Anyway, mine is still asleep, big storm coming here today. Looks like I won't be taking her out for quite a while still.
 
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Old 03-31-2017, 01:01 AM
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Did the maf cleaning today. Wow made such a difference!
 
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Old 04-04-2017, 11:36 AM
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Been using Amsoil 75w-90 severe gear for rear diff and Amsoil 75w-90 API GL4 in 6MT for almost 10yrs. 1st - 2nd shifts when cold are still smoother than what I remembered way back when I had OEM that came in the box. No complaints.
 
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Old 04-05-2017, 02:42 PM
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how often are you guys changing diff and trans oil?
 
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Old 04-05-2017, 06:42 PM
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Originally Posted by goto35 View Post
how often are you guys changing diff and trans oil?
Tranny and diff I try to do at the same time approximately every 30K miles or so. I did my first drain and refill a little early on both of those since it was the first batch. I think I did them at like 20K the first time. OEM Fluid in the tranny and Amsoil in the diff.

I'm actually due for a change right now in both.
 
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Old 04-05-2017, 06:46 PM
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yes ever since i did oem in tranny and mobile 1 in diff the shifts have been great!!
 
  #14  
Old 04-06-2017, 10:15 AM
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Originally Posted by goto35 View Post
how often are you guys changing diff and trans oil?
Same as partyman ~30K mi.
 

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