Originally Posted By: disturban
Valvoline claims 100% syn but I only see high mileage formula and I see no reason to dump a bunch of seal swelling additives in my transmission.
The only Valvoline Dex VI I've ever seen does not claim to be high mileage or have any seal swell additives.
Quote:
Valvoline DEXRON®-VI ATF (automatic transmission fluid) is formulated with premium synthetic base stocks and
advanced additive technology, and meets all the stringent requirements of General Motors' DEXRON®-VI
specification*, which is designed for the modern automatic transmissions in GM vehicles. Valvoline DEXRON®-VI
ATF is officially licensed with GM and can be used in new and old GM automatic transmissions. It is fully backserviceable
and can be used wherever DEXRON®-II and/or DEXRON®-III are recommended.
* DEXRON® is a registered trademark of General Motors Corporation.
The Valvoline DEXRON®-VI ATF Advantages:
• Provides consistent shift performance for new and old GM transmissions
• Extends transmission fluid life and prevents fluid breakdown at higher operating temperatures
• Provides excellent oxidative stability under severe conditions
• Reduces sludge and varnish build-up
• Protects transmission gears and allows them to operate smoothly
• Maintains lubricity
• Flows well for cold start-up
• Thoroughly field tested
Tell me where it says "high mileage" or has seal conditioners?
http://www.valvoline.com/products/consum...ission-fluid/36