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10-13-2013, 10:00 PM
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#1 |
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I love the LS3
Drives: 2010 IOM 2SS Manual Join Date: Dec 2012
Location: Washington NC
Posts: 361
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GL-4 vs GL-5 Manual Transmission
I changed my transmission fluid today in my V6 M6. I had used Mobil 1 LS 75w-90 gear oil as per viscosity in the owners manual. I changed it to Amsoil 75w-90 that is suppose to be made just for manual transmissions. I am hoping this will help with smoothing out gear changes and reducing high rpm gear grind issues. I noticed that the Amsoil is GL-4 grade oil and the owners manual recommends GL-5. It there a difference, will it hurt anything? Also is anyone else running this oil?
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10-13-2013, 11:00 PM
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#2 |
         
Drives: 2010 Inferno Orange 2SS/RS Join Date: Apr 2010
Location: Clermont, IN
Posts: 3,297
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You'll be fine, Amsoil is good stuff.
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2010 Inferno Orange 2SS/RS M6 Black Leather, Sun Roof, OBX Headers, Borla touring axle back, Cold Air Inductions CAI , non synthetic fluids, BMR total bushing upgrade/1" lowering springs, DSE 32mm rear sway bar. GM fe4 shocks/struts/LCA's, AAM 3.91 diff, Vertini RFS1.8 20x9 +30. Conti ExtremeContact Sport 275/35/20. sjm autoprod ABL dash kit. Mike Norris tuned 413/419.
Avenging Orange: 43 years of not buying into the Hype........and damn proud of it!! https://youtu.be/9JD9it6SmB8 https://youtu.be/xmelTlEzI34 KICKING CANCERS ASS SINCE 2015!! |
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