Transmission: What the HP Limit

[Cleave]

It was the one time and your mom/dad loved it!


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Hey, I can't choose my mom/dad, you're the one that decided to bring it home

 

[Silnus]

Are you going to be running an aftermarket stall converter? Heat kills transmission along with hooking.

 

[alexlaughlin]

Wiz knows. Wiz is Wise. If I had to guess, if you are going to run more powa, you're going to want to run more ATF pressure in the in the trans. I'm assuming if you're going to run more power that the trans will want to slip the clutch packs. The only thing I can think of keeping the trans from slipping is to run more pressure. How you accomplish that, I haven't got a clue.

Well it's a combination on a set stall torque converter, ceramic coated clutch packs, and line pressure. Of course billet input and output shafts. I don't know these specific transmissions that well so there may or may not be an intermediate shaft.

Does anyone build a transmission controller for these that controls increased line pressure and converter lock up per rpm or boost level?

 

[Silnus]

Well it's a combination on a set stall torque converter, ceramic coated clutch packs, and line pressure. Of course billet input and output shafts. I don't know these specific transmissions that well so there may or may not be an intermediate shaft.

Does anyone build a transmission controller for these that controls increased line pressure and converter lock up per rpm or boost level?

I dont know how advanced some of these SCT tuners are, but computer tuning can boost line pressure for harder shifts and control converter lock up. Make contact with Neal Chane for a badass converter you wont have to worry about replacing every 2-3 years. Lock up converters and the clutchpacks love burning up.

 

[NickPic83]

I would also look into a bigger trans cooler and a larger/higher fluid capacity trans pan with cooling fins

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[Dv8tor]

I've got the SDHQ bigger trans pan with the cooling vanes on it to help with heat issues. Eventually I'll install it. Lol.

 

[GoMuscles]

I've got the SDHQ bigger trans pan with the cooling vanes on it to help with heat issues. Eventually I'll install it. Lol.

Did you notice a drop in trans temp after the new pan?

 

[schaibaa]

Sorry to bump such an old thread, but has anyone found what the limit is?

 

[Bulletnjm]

@JimIII@JDM maybe you could help out here?

 

[JimIII@JDM]

@JimIII@JDM maybe you could help out here?

This is the same transmission in the Mustang which although in a much lighter car, I've seen handle over 1,000 HP in stock configuration. There are several companies that offer rebuild kits with upgraded internals. I believe Exedy is one who is popular among a lot of racers running the 6R80 transmission. I have no concern with amount of power or torque most people are making with the stock transmission, even supercharged.