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4TH gear billet servo

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Old 01-25-2011, 02:55 PM
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Default 4TH gear billet servo

Is this worth doing? I've already got the vette servo & a blackbear tune where the line pressure was increased. If it is worth doing, will I need to have the line pressure reduced?
Old 01-25-2011, 03:55 PM
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Yes and probably. Billet OD servo has more holding pressure so less clutch slip and wear. You don't even need to pull the servo pin out, just pop the cover off, pull the 3rd gear servo out, and replace with the new cover. Snap ring is the hardest thing about the swap, but even that isn't hard, just takes patience.
Old 01-26-2011, 05:49 AM
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No such thing as a 3rd gear servo! The idea here is the added fluid surface area. For the band the two circuits located in the side of the housing are 2nd and 4th gear. The one in question here is the 4th gear servo. If you are going to be towing or doing WOT runs into 4th gear then yes a billet 4th servo is a good idea. Vince
Old 01-26-2011, 09:02 AM
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Originally Posted by Vince B
No such thing as a 3rd gear servo! The idea here is the added fluid surface area. For the band the two circuits located in the side of the housing are 2nd and 4th gear. The one in question here is the 4th gear servo. If you are going to be towing or doing WOT runs into 4th gear then yes a billet 4th servo is a good idea. Vince
Thanks for setting it straight Vince
Old 01-28-2011, 11:29 AM
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so if I added the 4th gear servo, is pin modification required or not?
Old 01-28-2011, 12:02 PM
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Originally Posted by b4vwannabe
so if I added the 4th gear servo, is pin modification required or not?
Nope, mine went in with the stock pin and shifts great. Confirmed this over the phone with FLT, they said the longer pin isn't necessary.
Old 01-28-2011, 01:13 PM
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Originally Posted by TX Tahoe Z71
Nope, mine went in with the stock pin and shifts great. Confirmed this over the phone with FLT, they said the longer pin isn't necessary.
Good, thanks bro
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