REDLINE or Royal PURPLE

RD408

New Member
Neither for me. Amsoil :thumbs up
But if I had to pick out of those 2, Royal Purple I guess.
 

joesrcool

New Member
My roommate prefers Redline for tranny fluid as well. I've only used Royal Purple in a rear diff on a Supra, I guess it worked because it never broke.
 

blacktopgsr

New Member
redline tranny fluid works very well for me....smoother shifting, although i've never tried royal purple as yet.
 
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