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Where To Get My Auto Strengthened


YPURV4

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Yarra Valley Auto built my mates auto to handle the twin turbo Boss, mazerati shafts etc:

Also if you use there auto and converter setup they well guarantee there work even for drag racing.

What sort of power was he running ???

Im trying to find someone ( In NSW prefrably ) that's confident building a auto box to handle 400rwkw

confidently.

Most guys dont seem to keen on warranting these boxes.

Cheers,

Chad.

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  • Faster than any BTA,XTC,Autotech, Nizpro and Tunehouse car
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  • Member For: 21y 4m 28d
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RJS had his box built through CV PEFORMANCE and its a very strong box yet shifts firm without being anywhere near hash and has just run a 10 sec pass :roflmbo:

CYA JEFF :stirthepot:

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  • Grow old not up!
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Dave at Kewish has done my Auto.

I'm running 255rwkw with edit only and CAI.

There was nothing wrong with my box to start with and he said it was a better option to upgrade the box when it was in good condition and run a trans cooler than to wait until I knakered it.

He said to me at this power level don't nail it in top, so I drive around in performance mode with the exception of highway cruising and then just slip it across to manual mode to overtake.

The torque is what kills these boxes and 2/4 band cant cope when in top with out a full rebuild.

the cost to me was just under $ 1,000.00 and the edit was tweaked to shift stronger.

I know a couple of guys who have used Preston Automatics and they have similar results.

I discussed with Dave what I wanted out of my car as far power levels and he made suggestions to what needed to be done to the box.

I would think that either company would offer that service. the reason I went to Kewish is he is round the corner form work.

Regards

Steve

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  • Member For: 21y 10m 27d
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Yarra Valley Auto built my mates auto to handle the twin turbo Boss, mazerati shafts etc:

Also if you use there auto and converter setup they well guarantee there work even for drag racing.

What sort of power was he running ???

Im trying to find someone ( In NSW prefrably ) that's confident building a auto box to handle 400rwkw

confidently.

Most guys dont seem to keen on warranting these boxes.

Cheers,

Chad.

After speaking to David at Kewish, I very much doubt you will find anyone who will modify your box, and guarantee it to hold 400rwkw.

According to David, the gearsets are not strong enough, and you would be looking at custom made gears and MEGA $$ to get it to hang on with 400rwkw

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Has anybody thought of yarra valley autos?

I am less than impressed with the workmanship from Yarra Valley. After my original failure was repaired, this box has been back 3 times and still isnt right. that's my experience with them anyway...

Edited by FLASHXR
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  • CNUTOX
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Has anybody thought of yarra valley autos?

I am less than impressed with the workmanship from Yarra Valley. After my original failure was repaired, this box has been back 3 times and still isnt right. that's my experience with them anyway...

And yours is not the only horror story I have heard.

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  • Member For: 21y 6m 24d
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I am less than impressed with the workmanship from Yarra Valley.  After my original failure was repaired, this box has been back 3 times and still isnt right. that's my experience with them anyway...

There are plenty of guys from all of these trans shops that have had multiple rebuilds. You need to keep in mind that R&D is still ongoing and they are always improving. Personally, I don't think they'll ever hold big power reliably.

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