E4OD shift improver kit recommendations?
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Senior User
Joined: May 2003
Posts: 265
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From: Marquette, MI
E4OD shift improver kit recommendations?
I am looking to get the Sonnax line pressure valve kit (96948-01K) and the accumulator spring kit (36948-18K) to help firm up my shifts. Would it be a good idea to use both of these together? Does anyone have any other recommendations on what shift kit to buy?
Post Fiend
Joined: Oct 2003
Posts: 5,903
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From: MICHIGAN
The Sonnax/Tricumulator is a good kit but if your tranny is weak you may have some unexpected results. ie. it might make the tranny fail a little sooner than it normally would.
The BTS valve body Trike mentioned is more than a shift kit, it actually addresses some of the weakness(s) the e4od has behind a diesel. It's a good investment (~$225) even if your tranny fails in the future (reusable). So is the Sonnax kit but you get what you pay for IMHO.
The BTS valve body Trike mentioned is more than a shift kit, it actually addresses some of the weakness(s) the e4od has behind a diesel. It's a good investment (~$225) even if your tranny fails in the future (reusable). So is the Sonnax kit but you get what you pay for IMHO.
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