Automatic Transmission Upgrade Info - ZPI SOLUTION
Originally Posted by David616
Count me in.
Do we know of a price range yet for an E.S.K. for the tC?
Do we know of a price range yet for an E.S.K. for the tC?
As I understand it...it will work. I should receive the ESK in the next few days.
Well, here is the info on the Electronic Shift Kit from their site - Per the Lexus IS300
The TurboEast ESK eliminates sloppy shifts, hanging on the rev limiter, and allows transmission to shift with up to 320 rwtq with no internal transmission mods. Includes new and improved circuitry and a aluminum enclosure for improved heat dissipation.
This is the Valve Body Upgrade
The TurboEast Valve Body Upgrade cleans up the sloppy and slow stock shifting. Shifts are firmer, faster and more responsive. Developed for turbo, supercharged, naturally aspirated and nitrous applications. All stock functions along with E-shift are retained like stock.
And for the really power hungry (axle bending problem now - same as manual guys)
The first power failure point for this transmission is the sprag also know as a one way bearing. This upgrade should allow your tranny to hold over 500 rwtq. The next failure point in the stock clutch packs. Replacing of both the sprag and clutch packs will hold over 600 rwtq.
Well, here is the info on the Electronic Shift Kit from their site - Per the Lexus IS300
The TurboEast ESK eliminates sloppy shifts, hanging on the rev limiter, and allows transmission to shift with up to 320 rwtq with no internal transmission mods. Includes new and improved circuitry and a aluminum enclosure for improved heat dissipation.
This is the Valve Body Upgrade
The TurboEast Valve Body Upgrade cleans up the sloppy and slow stock shifting. Shifts are firmer, faster and more responsive. Developed for turbo, supercharged, naturally aspirated and nitrous applications. All stock functions along with E-shift are retained like stock.
And for the really power hungry (axle bending problem now - same as manual guys)
The first power failure point for this transmission is the sprag also know as a one way bearing. This upgrade should allow your tranny to hold over 500 rwtq. The next failure point in the stock clutch packs. Replacing of both the sprag and clutch packs will hold over 600 rwtq.
its a black box, my version had an on/off swithc, but newer ones may not.
It was a box w/ a long cable and a few wires to hook up as I mentioned above.
power, ground, tps, rpm, load, line pressure in, pressure out
It was a box w/ a long cable and a few wires to hook up as I mentioned above.
power, ground, tps, rpm, load, line pressure in, pressure out
Originally Posted by mattssi
its a black box, my version had an on/off swithc, but newer ones may not.
It was a box w/ a long cable and a few wires to hook up as I mentioned above.
power, ground, tps, rpm, load, line pressure in, pressure out
It was a box w/ a long cable and a few wires to hook up as I mentioned above.
power, ground, tps, rpm, load, line pressure in, pressure out
Then how much did the valve body upgrade improve?
It definitely helped w/ NA. The sloppy shifts turned into nice, crisp shifts. Felt more like a sport sedan rather than a luxury type car. However, when I had nitrous (100 shot) or the turbo, it didn't work as well as I needed (320rwhp). This is why I sold it and got the valve body. I drove down to Toyomoto in Miami, and had that done for $250. The "down side" is that the shifts are always a little harsher, but nothing crazy. This is what fixed all my shift issues and what even got my car to chrip 2-3, and even 3-4 sometimes on an Auto. This is at full throttle/boost.
Originally Posted by mattssi
It definitely helped w/ NA. The sloppy shifts turned into nice, crisp shifts. Felt more like a sport sedan rather than a luxury type car. However, when I had nitrous (100 shot) or the turbo, it didn't work as well as I needed (320rwhp). This is why I sold it and got the valve body. I drove down to Toyomoto in Miami, and had that done for $250. The "down side" is that the shifts are always a little harsher, but nothing crazy. This is what fixed all my shift issues and what even got my car to chrip 2-3, and even 3-4 sometimes on an Auto. This is at full throttle/boost.
On the topic of AT Upgrades, have any of you Auto guys changed your Transmission Fluid? I purchased Amsoil Synthetic ATF but ive been holding off to find a DIY guide to help me. If I get no feedback I guess i'll just spend a few bucks and have a shop do it.






