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Putting together a trans for a K body 2.5 Turbo project. Using all junkyard parts.

95 Tbi trans as a base. ( Found a junkyard that has 20 A413's this was the newest I also grabbed his only Turbo transmission.)

Going to source a omni tranny for the .90 transfer gears to make a 2.60 final drive.

Also getting a Neon trans for the torque converter and HD clutch drums. (Heard diff and other parts are better too)

Problem is have no idea about stuffing more clutches into the drums. Which is which and how+ what clutches/steels to use.

Only care about it not blowing up need to do it as simple as possible so don't want to mess with bands,line pressure,valve body etc unless necessary.

Anyone on here ever build a A413?

Or can I just swap in the neon drums and it will be fine stock?

Gonna be a street car not a drag car.
 

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Old School Hot Rodder
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When I did my original T2K-CAR (VA license plate) a local transmission shop and I built an A413 that would almost give you whiplash on WOT shifts. I remember using a V6 kickdown band and we may have used a V6 High/Reverse clutch drum and possibly a V6 forward clutch drum. I modified the kickdown servo by eliminating the soft apply spring (replaced it with a stack of washers).

Some of the aftermarket suppliers have made thinner friction and steel clutch discs allowing the total to be increased. I raised the base line pressure by two turns on the adjusting screw. End result, with the optional 175/70-14 tires, on a 1986 LeBaron convertible it would shift 1-2 at 56 mph WOT and 2-3 at 79 mph WOT. Unfortunately where I had the powertrain after the car was totaled, water got into the transaxle and it is pretty much junk now. I have a junkyard sourced 1991 Shadow 2.5L turbo one in the replaement car now.
 
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