Do i need to upgrade my built trans?

[The Kansan]

Im building a short block for my truck and already have a built trans with a suncoast gmax kit, suncoast converter and no billet parts. Someone told me i need to upgrade the pump. Is this correct and what else needs to be done to make it live at 900 horse or so.

 

[Mike L.]

This sometimes works if you're a good Christian.

 

[The Kansan]

This sometimes works if you're a good Christian.

Well then i think im SH** outta luck ... lol

 

[Robby05]

When was it built & who did it? Any idea of the mods done to the pump when it was put together

 

[Ne-max]

What pressures is the current trans producing? After talking to some certain people and seeing how cheap pumps are I would do one with every trans build. But I'm far from a pro.

 

[mike diesel]

Probably some gmax clutches, stock PR spring with a shim, transgo converter flow valve and a transgo jr. Which won't live behind 900hp lol

 

[The Kansan]

Husker diesel built the trans. Hasnt missed a beat so far. It has about 8k on the build i dont drive my truck much but as for the specifics i dont know for sure but ill find out for sure. Id have to log the truck to see what pressures are at its been a while since ive even looked at it.

 

[mike diesel]

You can't tell the pressure with a log. Need a mechanical gauge.

 

[The Kansan]

why is it that these trans kits say they will hold like a 1000hp but dont even come close to that?

 

[The Kansan]

You can't tell the pressure with a log. Need a mechanical gauge.

Im thinking of something different then . How do you go about doing it with a mechanical gauge?

 

[Ne-max]

Husker diesel built the trans. Hasnt missed a beat so far. It has about 8k on the build i dont drive my truck much but as for the specifics i dont know for sure but ill find out for sure. Id have to log the truck to see what pressures are at its been a while since ive even looked at it.

Call Jess. He should be able to answer your questions. Without these guys knowing what he all did it's a guessing game.

 

[The Kansan]

Call Jess. He should be able to answer your questions. Without these guys knowing what he all did it's a guessing game.

Ya i will give him a shout tomorrow . I told him i would eventually be building the motor and hes the one that said i would just need a pump upgrade to get me where i need to be for that but i will find out for sure.

 

[Ne-max]

Ya i will give him a shout tomorrow . I told him i would eventually be building the motor and hes the one that said i would just need a pump upgrade to get me where i need to be for that but i will find out for sure.

I'm sure youll need to shim your spring. To bump up the pressure then. Pretty simple. On the trans there is a test port. Need a good gauge and adaptor.

 

[The Kansan]

I'm sure youll need to shim your spring. To bump up the pressure then. Pretty simple. On the trans there is a test port. Need a good gauge and adaptor.

Ok im now curious to see what the pressure is at . Do you know what the threads are for the port and where it is on the trans?

 

[Ne-max]

Not right off hand. They are a odd odd size. I took a old plug and tapped it. The port is on the bottom side by spin on filter. If you are planning on going with that much hp it's a good idea to check pressure often.

 

[The Kansan]

Not right off hand. They are a odd odd size. I took a old plug and tapped it. The port is on the bottom side by spin on filter. If you are planning on going with that much hp it's a good idea to check pressure often.

Ok thanks for all the info . Learn something new everyday on here. Good to know about checking pressures.

 

[Cknight199]

It will depend heavily on how the trans was setup, but if setup properly then you'll be breaking parts before burning up clutches.


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[maine04max]

billets , billets and more billets or do as Mike said Pray