Quote:
Originally Posted by bucketman
I run royal purple in my engine. Just swapped to royal purple in my tranny. Don't like it. Did a track event and transmission shifted just fine, however on cold startup it is difficult to engage the tranny. Once it warms up everything is fine. Going to give Redline a shot.
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Amsoil did the same thing on my 350z 07 6mt transmission. I went back to factory and it was fine.