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The mkiv Supra Owners Club

This was supposed to be Lance W. Allignment!!


Mcgoo

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I dont know much about suspension setups so i done a search on the forum and decided on the lance W set up to cure my massive inside edge tyre wear.

My J-spec TT6 is lowered on tein springs and billstein yellows and has

235 35 19s on front and 265 30 19s on rear.

On recomendation from a local mechanic i went to an audi main dealer in the area as their Machine was ment to be a good one.

The results;

Before adjustment / after adjustment

rearaxle

Camber left -2*21' / -1*54'

right -2*31' / -1*53'

 

Toe left +0*19' / +0*31'

right +0*28' / +0*42'

Total +0*47' / +1*13'

 

Front axle

Castor left +4*41' / +4*56'

right +4*20' / +3*50'

 

Camber left -1*57' / -1*43'

right -1*55' / -2*42'

 

Toe left -0*16' / -0*51'

right -0*16' / +0*22'

Total -0*31' / -0*30'

 

As i said before Im no expert but my car now pulls to the left and the steering wheel is at the 11 o'clock position.!!!!

This setup cost me 111.00 GBP

They said that " A number of seized ball joints has restricted ability to adjust to customers requirements"

 

Im obviously not very happy and have an appointment to "discuss" this on tuesday.

 

Is there anyone who fully understands these figures that could give me some opinions so i at least sound like i know what im talking about????

 

Any comments welcome.

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I don't agree with the settings on the American site, and the settings Audi have achieved are hopeless as well. If you bin the 19's I'll set it up properly, but we are wasting each others time playing with 19's, they plain don't suit the Supra, and a satisfctory result (to me anyway) is impossible without total re engineering of the suspension.

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I'm SO happy with stock settings and stock wheels (only £50 to verify on KwikFit's 4wheel laser adjustment)

No need to re-engineer anything, Toyota engineering was good to begin with.

Bilsteins replacing tired old units, and the thing flies...

 

Boring, eh?

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Because there is a lot more to consider when designing suspension. You have brake balance, tyre wall flex, weight distribution, suspension travel etc. Its a whole package of things

 

So if you go and put different weight wheels on, that can influence it, and less tyre wall to absorb bumps etc its endless.

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I still dont understand this, why does this or any car not handle well on larger wheels, surely its got to do with main suspension set up and shocks etc.

 

 

Like Bobbeh says ..the set up was made for the unsprung weight of the stock wheel and flex of the tyre walls on the stock set up ...Change them factors with wheel sizes , weight and tyres ..then the stock set up is not at its optimum. It all works as a pakage ..so change one thing everything else has to be changed to cope.

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why are 19s so much worse than 18s ? Its only an inch. Is it purly weight and lack of tyre wall?

Talking of weight: not only is the weight likely to be more, but it is distributed further away from the centre of the hub.

The centrifugal forces increase by the SQUARE of that distance, so the effective unsprung weight goes up quite a bit more (at speed)

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The thing to remember is the MKIV was originally designed around 16" rims Toyota then add 17" rims to the range. Putting 18" rims on is pushing itto the limit IMHO. I know with the stock setting set up my car handels a whole lot better on the 17" than on 18"'s. At the end of the summer when I go back to my 17" for wet and cold weather, the car is transformed, and I wonder why I bother with the 18". I cant imagine what the difference must be like on 19" rims.:looney:

 

I know it is all down to personal taste, but if it looks you go for then expect a big compromise in handelling.

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