Brennan8

Anyone ever upgraded the tl type s auto trans to Handel more power?

Sonnick

There was a turbo TL 5AT on this site, believe there still is. Replace the pressure switches and you should be fine. Or swap a 6 speed.

Brennan8

You know where I could find thos online

justnspace

iTrader: (1)

brennan, you were all up in the turbo thread.
you must have read that lilbert swapped his auto tranny for a 6speed to handle the power.
you also know that lilbert wrecked his ride and is parting it out.


Stop making silly threads that you already know the answer to.

Brennan8

this is clerly talking about the auto trans to handel more power aka for turbo so what are you talking about

justnspace

iTrader: (1)

^if you've read the turbo thread; you'll notice that the few people that have 500+ hp swapped out the auto tranny and went to the 6mt route.
even then; they were breaking gears in the 6mt.

The auto trans upgrade you are looking for is a 6mt swap.
BUTT then you still would be breaking gears.

in the turbo thread; there is a group buy to get better and stronger gears for the 6MT.

How do i know all of this?
I read the turbo thread.

Brennan8

ya well thats not what i want that swap is way to much to change i want a stronger auto!!!

justnspace

iTrader: (1)

^yeah, well. good luck.

Dont you think the gentlemen that pioneered the turbo +auto would have found that option already?
if you read the turbo thread(like ive been asking for the 600th time) you'll learn that they exhausted their auto trans options...and the only thing to do is go 6mt.

Brennan8

ive read it all trust me and thats the reason i dont wanna do it, its to much money and finding the trans is the hardest part

justnspace

iTrader: (1)

at "way to much change"


I got news for you buddy...if you think thats way too much change..

justnspace

iTrader: (1)

the great thing about this forum is that you have people that have pioneered or carved out a path for you.

you can either take that information and use it or you could pioneer yourself.

it sounds like you dont want to take the same path as them.
that means you need to carve out your own path.

justnspace

iTrader: (1)

those gentlemen are pretty well off financially.
Dont you think if they found an auto tranny replacement stronger than the stock tranny; they would have done it already?

Brennan8

cool why are you still talking then?

jgj925

lol.

anyways, is comptech sc an option

libert69

iTrader: (7)

400whp is roughly the limit the for the 5AT. during tuning and coming up on 450whp the trans developed what appeared to be a slip in the in 3rd gear towards the upper rpm range. still unknown if it was actual hard part failure or some type of electrical issue. reason being is that it only happened under full throttle. partial throttle there was no slippage.

my calculations after all was said and done suggested that the drive train loss for the auto and big power was around 25%...and that number would keep going higher the more power we made. math was based off a given psi and timing. after the 6spd swap was done and the same psi/timing was used, the power to the wheels went up big time.

the tq converter just couldnt put the power to the floor.

I have a re-stalled/built tq converter from IPT performance for sale if your interested.

If boosting your auto is the route your going then keep the power around 400 at the wheels and upgrade the tq converter with a higher stall to get you into the power band much quicker. stock stall speed is 2100 and my converter is 3000. still completely streetable and still locks up on the highway.

i could go on for days about the auto trans and big power. bottom line, keep the power below 400, new pressure switches. type F fluid is madatory (i always used amsoil super shift, same viscosity as oem and would not flare like straight redline fluid) and add a trans cooler

edit - im still a firm believer in increasing line pressure in the auto would hold more power. stock clutches never burned up and the fluid was never burnt either. figure out a way to manipulate line pressure and youll hold more power.

I hate cars

I agree with Bert.

First you have to define "stronger". No one has broken a hard part that I'm aware of. The problem comes from slipping clutches.

Type F fluid and pressure switches are all we can do to help the clutches from slipping and it works well as evidenced by Bert's high mileage 5at handling 400whp very well.

I agree that added line pressure needs to happen. I've almost got it done but I stopped working on it since the IRS decided to steal from me again.

Once we get the clutches to stop slipping, and the power levels rise, it will eventually start breaking hard parts. The auto has the potential to be stronger than the manual if for no other reason than less shock due to the converter.

I agree with Bert, get a 3,000 stall converter, it will make a huge difference off the start and you likely won't fall out of vtec on the 3-4 shift assuming it's not locked.

I highly recommend if someone was going to build a high power auto and do a converter, get with one of the big time converter companies. Let them cut it open and do it right. You will get a MUCH more efficient converter meaning more power to the ground and less power being converted to heat. Also, the use of an 8" or 9" converter will make the engine rev very quickly. My usually slow revving GN revs quicker than just about any modern car because of the low weight of the torque converter. It helps acceleration and at the risk of sounding like a ricer, it sounds better when it revs very fast and drops very fast. Spend the money on the torque converter, it will pay off in several ways.

Brennan8

Thanks you guys for giving good info unlike others who just wanna talk like they know everything

bmeyer

iTrader: (3)

It's not that everyone wants to talk like they know everything, it's that you've shown (and said) that you have no interest in researching the information that is already out there. Really, the same questions have either been asked dozens of times before, or it's a topic that has been proven to be a dead end.

You're expecting everyone to bow to your every whim. Nobody's interested in that.

EvilVirus

iTrader: (8)

Fixed

GL with your project