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I use 10W-30
4L60E
1969 Pontiac Firebird
dex-cool antifreeze is what came from the factory.
1974 Pontiac Firebird .
1969 pontiac firebird
1979 Pontiac Firebird Trans Am
you can only use DEX-cool
Loook in your owners manual, I use syntheric blend 20w50
Green color antifreeze meeting Ford specification ESE-M97B44-A ( it came from the factory with a 50 / 50 mix of distilled water and the GREEN color antifreeze )
manual trannys dont have fill plugs, most trannys dont have fluid of any kind
That all depends on what kind of antifreeze was in there before. It comes stock with the green color. but if there is another color in there now either put the same color in or flush the whole system and put the desired type in there. If you mix colors your system will become clogged with antifreeze jello :(