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4EAT specialist in NZ?


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So I've just got myself another first gen GT, and it's auto. I also eventually want to push this thing pretty hard down the drag strip. I'll certainly have 250whp before I stop, possibly 300 and have daydreams of 400whp. I can't see how it could survive the latter and only *might* hold the former two if I can do some pretty trick ECU stuff.

 

Are there any workshops in NZ that can supply the parts to strengthen any of the 4EATs or have I got to order from the states?

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High stall TQ converter comes to mind? not sure what involved tbh but big fat ol F for following

 

not sure if its something done here yeah USA might have your answers?

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Yeah I might end up going for one of those, depending on how my nefarious turbo plans work out. At 250whp I'll be running a fairly small, modern version of the TD04L that shouldn't need one (Holset do a replacement that takes TD04L housings and flows 32lb/min), but after that I'll have to get inventive. Low-mount twin-scroll inventive, probably.

 

But at that point I'll be making far more torque than the factory ever dreamed of. Clutch packs and bands probably won't hold a full throttle shift any more, so I'll need some internal upgrades and an engine & trans controller that can cut torque on shifts.

 

This is getting expensive...

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Because I am chronic for raining on parades, I think that you would end up spending more on the transmission than the entire rest of the car cost.

 

For the same money you could just swap in a boring old manual box and make the car way way faster instead. So unless you're going for maximum novelty value, or you don't really care about money, it's probably dead in the water before you even start.

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  • 7 months later...

Standard mods for more power are a bit of machining and an extra clutch plate in every pack, stronger springs in the accumulators, and then boost the hydraulic pressure.  it's just how long  before you have to throw more clutches in... but clutches are cheap...

 

The piddly little gears might be the long term problem, or the welds between the clutch housings and the shafts.

 

Probably better to buy an aftermarket box made for the job.

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