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J mod 4R70W?
I keep hearing things about his modification you can do to your transmission that is supposed to help extend the life of the trans and make it shift better and what not. Since I have been having plenty of transmission trouble I was thinking this might be something to do as preventive maintenance for the next one. Anyone now anything about it? Is there a kit to buy or is it just a simple thing?
So let’s hear about this J mod. Any inputs?
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