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Corvette
C7 Forum
M7 Manual transmission fluid question
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<blockquote data-quote="Late Life Crisis" data-source="post: 315707" data-attributes="member: 4152"><p>For what it is worth - I switched over to Royal Purple Trans Fluid ("Forumulated for manual transmissions using Automatic Transmission Fluid" I recall on the package). It promises smoother shifts, better (not as notchy) cold transmission operation, and good fluid life. Mine is a 2019 Stringray base with the 7-speed.</p><p></p><p>Results after about 2 years - yes, I do notice much smoother shifting, still a bit notchy during cooler weather but at least a 75% improvement over the regular GM dino oil. I believe, but can't be sure, that the Royal Purple is also dino-oil based, haven't delved into that very much since frankly I've been very happy with the results so far. Car was purchased April 2018, fluid changed after the second summer at about 17,000 K, vehicle now has about 38,000 K after this 6th summer of operation. You can get it at any Royal Purple dealer, or at Canadian Tire believe it or not. </p><p>[URL unfurl="true"]https://www.canadiantire.ca/en/pdp/royal-purple-synchromax-manual-transmission-fluid-946-ml-0289088p.0289088.html?loc=plp[/URL]</p><p></p><p>Late Life Crisis</p><p>Aurora</p></blockquote><p></p>
[QUOTE="Late Life Crisis, post: 315707, member: 4152"] For what it is worth - I switched over to Royal Purple Trans Fluid ("Forumulated for manual transmissions using Automatic Transmission Fluid" I recall on the package). It promises smoother shifts, better (not as notchy) cold transmission operation, and good fluid life. Mine is a 2019 Stringray base with the 7-speed. Results after about 2 years - yes, I do notice much smoother shifting, still a bit notchy during cooler weather but at least a 75% improvement over the regular GM dino oil. I believe, but can't be sure, that the Royal Purple is also dino-oil based, haven't delved into that very much since frankly I've been very happy with the results so far. Car was purchased April 2018, fluid changed after the second summer at about 17,000 K, vehicle now has about 38,000 K after this 6th summer of operation. You can get it at any Royal Purple dealer, or at Canadian Tire believe it or not. [URL unfurl="true"]https://www.canadiantire.ca/en/pdp/royal-purple-synchromax-manual-transmission-fluid-946-ml-0289088p.0289088.html?loc=plp[/URL] Late Life Crisis Aurora [/QUOTE]
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Corvette
C7 Forum
M7 Manual transmission fluid question
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