99 auto trann's
Registered User
Joined: Jul 2003
Posts: 221
From: Bay Area, CA
Car Info: '05 LGT
The 4EAT is a bit stronger than the 5MT, which can manage 350ish for awhile, providing you're not launching at 6,000rpm. The 4EATs haven't really failed in large numbers.
Mainly because people are less apt to install huge power upgrades on their auto. Those that have, seem to do so without breaking too much.
A Tranny cooler is a must, and if you're looking for 1/4 mile times a high stall torque converter. A "shift kit" will probably only change shift feel, Unless it's a custom job, then you can change the points a little. I have no idea if anyone has successfully changed either their TCU or it's settings.
Good luck in whatever it is you are planning.
Mainly because people are less apt to install huge power upgrades on their auto. Those that have, seem to do so without breaking too much.
A Tranny cooler is a must, and if you're looking for 1/4 mile times a high stall torque converter. A "shift kit" will probably only change shift feel, Unless it's a custom job, then you can change the points a little. I have no idea if anyone has successfully changed either their TCU or it's settings.
Good luck in whatever it is you are planning.
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Posts: n/a
thanks a bunch highspeed11.
i plane on makeing it a heavy breathing nitrous feed RS. and auto-X it. im going to keep it in etheir the STS or STX class but also i plan on draging it at the same time. so just a well rounded car the can just hall ***** in both handleing and a stright line.
thanks agian
i plane on makeing it a heavy breathing nitrous feed RS. and auto-X it. im going to keep it in etheir the STS or STX class but also i plan on draging it at the same time. so just a well rounded car the can just hall ***** in both handleing and a stright line.
thanks agian
Registered User
Joined: Mar 2003
Posts: 189
From: Los Angeles
I don't recally how much they can take, but they can take a lot.
You might want to also look into getting a valve body job done as well. This will help quicken the time it takes for it to shift gears, meaning it won't feel "seamless" between shifts. It'll be a harder shift, but ironically, helps prolong the life of the tranny (or so I've heard).
Level Ten and ProTorque are where most people go. You also might want to check out http://www.knightmotorsportsinc.com/ and see what they can do for you, though I don't know of anybody who has gone through them.
There was a guy who used to own an OBS that was 4EAT. It was TC'd with NO2 and handed many ***** on a silver platter.
Another guy had a 4EAT 99RS that was heavily modded. He could get a 4 wheels spinning and chirping through gears. Those two guys are pioneers in the early days of the RS.
You might want to also look into getting a valve body job done as well. This will help quicken the time it takes for it to shift gears, meaning it won't feel "seamless" between shifts. It'll be a harder shift, but ironically, helps prolong the life of the tranny (or so I've heard).
Level Ten and ProTorque are where most people go. You also might want to check out http://www.knightmotorsportsinc.com/ and see what they can do for you, though I don't know of anybody who has gone through them.
There was a guy who used to own an OBS that was 4EAT. It was TC'd with NO2 and handed many ***** on a silver platter.
Another guy had a 4EAT 99RS that was heavily modded. He could get a 4 wheels spinning and chirping through gears. Those two guys are pioneers in the early days of the RS.
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