Atf Changing stall Speed?
05-23-2007, 10:25 PM
#1
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Atf Changing stall Speed? A friend had a yank 4k that wasnt stalling correctly. Sent them an email and said it was a result of the royal purple. He put the new gm dextron in and the stall is perfect now. My stall speed is lower than it should be...any fluid recomendations.
05-23-2007, 10:29 PM
#2
Thicker fluild will increase coupling and reduce stall while increasing efficency , Thinner fluilds will have the opposite effect .Type F is thinner and I have heard of people using it , However It does not have friction modifiers so unless PWM is disabled in your trans you could get converter clutch shudder with it.
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