i think 80 weight to 20 is quite a stretch. I don't know if the transmission fluid gets hot enough to "get" to 50 weight.. I would leave 20W50 for what it's supposed to be used for... hot running or hot weather engines. On Sat, 31 Jan 2004 01:41:22 -0000 "thomaspaulmccoy" <thomaspaulmccoy@xxxxxxxxx> writes: > Has anyone tried this before? Any reason NOT to go this route? The > factory recommended 80 weight oil just seems too thick for > performance driving, and I know (for the engine) 5W-30 makes a > difference... so why not go thinner in the tranny, too? > > > > > ------------------------ Yahoo! Groups Sponsor > > Yahoo! Groups Links > > To visit your group on the web, go to: > http://groups.yahoo.com/group/DMCForum/ > > To unsubscribe from this group, send an email to: > DMCForum-unsubscribe@xxxxxxxxxxxxxxx > > Your use of Yahoo! Groups is subject to: > http://docs.yahoo.com/info/terms/ > > > ________________________________________________________________ The best thing to hit the Internet in years - Juno SpeedBand! Surf the Web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today! Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/DMCForum/ To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/