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The mkiv Supra Owners Club

Auto Supras


Guest t180985
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Guest t180985

been asking around a few tuning companys and have been told not to go for an auto gear box becuase they are not very good for tuning just wondered what your experiences with auto supras and tuning are like? have you had any problems etc?

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You can't get any power FROM the auto....but you can put about 700hp through it...but I'd change to a TH400 autobox before that.

 

The TH400 is a replacement gear set for the auto, still works like and is an auto - it's just stronger than stock....a TH400 can take over 1000BHP.

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There could be hundreds of issue's or non - it depends how good the base car is.

 

Where you'd consider an uprated clutch on a manual you'd get a higher stall torque converter on an auto...

 

You really have to state your aims for this to be worthwhile.

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You'll be fine with an auto, mate. (If you are ok with an auto that is.)

 

Drive both first to work out which one you want. Don't choose one over the other on how 'tunable' you've been told it is. Both can be tuned to beat just about aything else you're likely to come up against on the road, so why worry.

 

A stock auto box is apparently good for close to 600bhp, but at that sort of level you'll be VERY close to the limit and you'll stand a good chance of breaking it sooner or later. If 450bhp(at the fly) is roughly the area you're aiming at, it'll take it all day long.

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Ive put down 510bhp on the tarmac for about 6 months now. That probably puts about 600-620 at the flywheel (lets stay on topic please:boxing: )

 

So thats what ive done anyhow, if going Single turbo is enough "tuning" for you.

 

Also, there isnt much that will keep up in a straight line!

 

PS, Im swapping to 6speed next winter, not because i dont like the auto box because i do love the gearbox. I just want to of owned both so i can judge for myself which is the better box.

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Guest t180985

ok sounds good just so you know i was looking into the twin turbo supra tbh i think i would prefere an auto for a while as i get stuck in alot of traffic so will make going to work easier

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