type f fluid in 4t40e - Transmission Forum

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type f fluid in 4t40e
Monday, December 05, 2011 11:06 AM
i race a dirt track 99sunfire gt and am trying to get the trans to shift better next year i had the b&m shift plus but next year we cant use them anymore would type f fluid help

Re: type f fluid in 4t40e
Monday, December 05, 2011 11:11 AM
Mobile 1 synthetic is what I use in mine.










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Re: type f fluid in 4t40e
Monday, December 05, 2011 12:34 PM
WHITECAVY wrote:Mobile 1 synthetic is what I use in mine.



when mine gets rebuilt shortly thats what it will be running as well






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Re: type f fluid in 4t40e
Monday, December 05, 2011 7:30 PM
I used B&M Trick shift after I installed my 3K yank and oil cooler.

Is there anything in the rules about cutting the PCS wire? It effectively does the same thing as the shift plus (actually better), and it's free.




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Re: type f fluid in 4t40e
Monday, December 05, 2011 7:32 PM
Whalesac wrote:I used B&M SYNTHETIC Trick Shift after I installed my 3K yank and oil cooler.

Is there anything in the rules about cutting the PCS wire? It effectively does the same thing as the shift plus (actually better), and it's free.

fixed




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Re: type f fluid in 4t40e
Monday, December 05, 2011 8:25 PM
no there is not the rules say no aftermarket performance devices what wire is it
Re: type f fluid in 4t40e
Tuesday, December 06, 2011 3:49 PM
It's a light blue/white wire going to the round 20-pin connector on the front of the transmission. It's the same wire you tied the shift plus into. A Haynes manual would help. Cutting the wire will give you max line pressure at all times, which is practically what the Shift Plus position "2" does.

If you're curious, I did a review of the pressure control of the B&M Shift Plus several months back...ATI vs B&M Shift Plus.




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Re: type f fluid in 4t40e
Wednesday, December 07, 2011 3:31 AM
Mobile 1 synthetic here as well.




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: type f fluid in 4t40e
Monday, December 12, 2011 10:30 AM
will just cutting the line decrease the trans life in positiom 2 on the shiftplus it slams pretty hard from 2nd to drive every lap so i went down to position 1 i race a 1/2 mile track and just run the car in drive because in 2nd it hits the rev limiter and i dont have my motor converted to the 2.3 pump yet but am getting it done b4 next year
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