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Discussion Starter · #1 ·
need advice on a good th-400 in a 3700lbs dr car bbc f2 , torquey
is anyone making a sfi case yet,
my last one got spit out on the 2-3 shift.
thanks Mike
 

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Discussion Starter · #3 ·
it chatered the tires pretty hard on the previous pass,on this onei lunched soft 1-2 shift was great normal then when ipulled 3rd @6800 a big bang motor went to the limiter shut er down gonna pull it tomorowand see.
car is heavy making 1200ft-lbs & 1400hp ,12bolt 3.55 315dr
thanks Mike
 

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Discussion Starter · #6 ·
Put spare (old faithfull) in last friday drove 900km to track ,2 sliperry passes then ,no more 2 nd gear shift, checked fluid ,linkage went for a drive in to town ,no problem all 3 gears. then do 2-3 shift burnout all fine.-launch slide pull 2nd it just shutters under a hard load! what the fuck!
would a glide work in a heavy car & 3.55 gears 30 tall tire?
thanks Mike
 

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Put spare (old faithfull) in last friday drove 900km to track ,2 sliperry passes then ,no more 2 nd gear shift, checked fluid ,linkage went for a drive in to town ,no problem all 3 gears. then do 2-3 shift burnout all fine.-launch slide pull 2nd it just shutters under a hard load! what the fuck!
would a glide work in a heavy car & 3.55 gears 30 tall tire?
thanks Mike

Sound like the sprag is "skidding" this means it has exceeded its life expectancy & has devolped some flat spots on the sprag elements which will no longer let it lock up. The reason it works in the burn out is you are starting in 2nd which lets the sprag set & also the reason it worked on the drive is no real hard load.

You will most likely need a new sprag & drum.

Hope this helps
 

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Discussion Starter · #8 ·
makes sense old faithful was run hard & put away wet to many times,had it freshend but didnt change sprag or drum(it was only to be put into the other halfs car 500hp!)
gonna get better parts over the winter,my season is done i work out of the country & by the time i get back are local tracks will be shut down.
thanks for all the info ,this is the best site bar none!!!
cya Mike Comeau
 
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