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Old 10-23-2012, 09:02 PM
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White G37
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New to the G37 family..

Got my 2008 G37S Coupe 6MT a couple of days ago, extremely impressed by the car.

However, my synchros, or that's what I think it sounds like, produce quite a bit of whine. A bit of research on this site revealed it to be normal, but this next question I couldn't find the answer for(maybe I suck with the search button), what fluids do you guys run in your transmission/LSD? Quick cross-reference of my350z.com showed Amsoil/Redline/RR to be the choice of fluids, but do they help quiet down the synchro whine at all?

I'm thinking about going with Amsoil, but I just wanted to see if someone with more experience would recommend something else.

Last edited by White G37; 10-24-2012 at 12:19 AM.
Old 10-23-2012, 09:25 PM
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JJsBusaRox
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Welcome aboard man and congrats on your ride!
Old 10-23-2012, 11:41 PM
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Rad_Slinger
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Welcome!

Happy modding!
Old 10-24-2012, 03:13 PM
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White G37
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Thanks everyone for the warm welcome!

Any takers on the whine that I experience when in gear?
Old 10-24-2012, 08:15 PM
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timp
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Check out this link sounds like other MT have had similair issues.


https://www.myg37.com/forums/engine-...-warranty.html
Old 10-24-2012, 10:01 PM
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shivers
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I run Redline in the rear diff and OEM fluid in the transmission.
Old 10-24-2012, 11:14 PM
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White G37
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Originally Posted by shivers
I run Redline in the rear diff and OEM fluid in the transmission.
Did you have any noise issues before switching? If so, did it quiet down?
Old 10-25-2012, 10:50 AM
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cruzmisl
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Mine is whiney as fock. Same with some 370z's around the area. My solution was to get a louder exhaust.

I did a tranny fluid change at 30k and it didn't make any difference with that.
Old 10-25-2012, 11:01 AM
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shivers
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Originally Posted by White G37
Did you have any noise issues before switching? If so, did it quiet down?
Nope, no noises before.
Old 10-25-2012, 07:41 PM
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White G37
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Originally Posted by cruzmisl
Mine is whiney as fock. Same with some 370z's around the area. My solution was to get a louder exhaust.

I did a tranny fluid change at 30k and it didn't make any difference with that.
How many miles on yours?

Originally Posted by shivers
Nope, no noises before.
Thanks bro.
Old 10-27-2012, 12:10 PM
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cruzmisl
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34k, sounds exactly the same as when it had 10k, had a tranny flush at 30k.
Old 10-29-2012, 08:22 PM
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kcg37
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No noise at 27k.i bet it would quiet down w redline MTL tranny fluid ,which is what I'm going to use. I'll probably use Orem for diff,given the goofy LSD we have
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