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The mkiv Supra Owners Club

19" ok for a Supra?


Guest smith.s2k
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I've got 19's going onto mine when it's rebuilt, Wheelmania Vortex Evolutions :) - Although they make a nice lounge ornament at the moment...

 

Same wheels as me:) Unless you are going to track days I say its all good:) As I said earlier I do feel the ride is a little bumpier but then again I do need my geo set up again as I know its out again. Do that and it feels just fine:)

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I know I've mentioned this before as has CW. A set of lower springs is only one tiny component of a suspension design. Tyre sidewall, offset distances and widths all affect the loading presented to the spring/damper. Said it before, Toyota spent a lot of money designing a system that is right, yes going up an inch or two on rim size WILL make a difference but it is all down to the end person to decide if that difference is enough to worry about.

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Also means when you hit a pothole (or 10) they don't half take a bashing, as I found out now I've pranged both my front ones :(

 

Which does raise another point, that if you do indeed run larger offsets or smaller profile tyres you should get your tracking/alignment done more often because every impact will be more severe on the setup.

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I've not noticed any real differance in any department going from 18's to 19's, both set's of wheel's are light forged type's though. Cheapo heavy wheel's will effect the handling whatever size's they are, go for the best you can afford and in the right offset and you should be ok. My tyre's are 245 front and 275 rear and I have no rubbing :).

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If you buy 19's from a shop & choose to have tyres fitted with the alloys, they will automatically fit the tyres that would make the 19's equal to the original wheels that came on the car by reducing the profile of the tyre. If you have plenty of room around the wheel with the original wheels+tyres then you could choose a slightly bigger profile tyre with the 19's to make the ride less harsh & bumpy.

 

You could also go for the drift look & stretch the tyres over the rims with a smaller tyre width. :cool:

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toyota are cheap asses, example, how often do they put stainless exhaust systems on their performance cars? more like steel with a stainless shroud on the tailpipe. It all comes down to profit at the end of the day. You have to pay extra for the better parts when you buy it.

 

Based on this i dont always think what they supply is whats best for the car.

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toyota are cheap asses, example, how often do they put stainless exhaust systems on their performance cars? more like steel with a stainless shroud on the tailpipe. It all comes down to profit at the end of the day. You have to pay extra for the better parts when you buy it.

 

Based on this i dont always think what they supply is whats best for the car.

 

Please sir can I comment on this one..... :search: :hide: :mods:

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If you buy 19's from a shop & choose to have tyres fitted with the alloys, they will automatically fit the tyres that would make the 19's equal to the original wheels that came on the car by reducing the profile of the tyre. If you have plenty of room around the wheel with the original wheels+tyres then you could choose a slightly bigger profile tyre with the 19's to make the ride less harsh & bumpy.

 

You could also go for the drift look & stretch the tyres over the rims with a smaller tyre width. :cool:

 

Where to start...

 

Firstly a shop will sell you what they have or as close to what you want as they can get. They aren't a specialist suspension shop, they are usually an alloy shop with a tyre fitter. Some even have alignment setups... and which alignment setups are they going to use, based on what??? Funnily enough I have a sneaky feeling toyota may have tried a good few combinations at great expense before settling on a combination that suited. They would have then tweaked the setup to suit. Moving things such as suspension top mounts and various other funky geometry points. These things can't be done except at great cost. By simply fitting a 'slightly bigger profile tyre' you are affecting a lot more things than just rubbing on the arches..... Firstly the rolling distance of the tyre is now bigger, this in turn means gearing is slightly different and your speedo is out... Wider tyres affect traction both positively and negatively. To name but a few of the knock on effects.

 

The suspension system of a car DOES NOT JUST comprise of a spring and damper.... There are so many other parts that play a very important role.

 

As for the over-stretched tyre comment that is just plain dangerous pure and simple.

 

toyota are cheap asses, example, how often do they put stainless exhaust systems on their performance cars? more like steel with a stainless shroud on the tailpipe. It all comes down to profit at the end of the day. You have to pay extra for the better parts when you buy it.

 

Based on this i dont always think what they supply is whats best for the car.

 

Your comment is flawed, correct CERTAIN components maybe changed for cheaper items in order to bring the car into a budget. However if this was the case on every single component, then the engine would be machined to within a micron of it's life and it would run 320bhp and not an ounce more.

 

In summary, do you understand any of the following terms.

 

1. Sprung weight

2. Unsprung weight

3. Elastokinematics....

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toyota are cheap asses,

 

They totally over engineer their cars unlike a lot of other companies, for example on Toyota's we've owned we've not had to replace the exhaust for over 12 years, sometimes longer.

 

Compare that to other brands where its the norm to do it every few years! Thats being cheap.

 

Also think back to 1992, how many cars were rolling around on 19s? hardly any and getting hold of tyres for that would have been a PITA also.

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Suspension will be setup for a compromise of ride comfort over performance. Wheels will be fitted with balance between cost of the wheel & tyre price over performance. If you want the optimum you have to do it yourself..not saying i know what the perfect setup is :D but the wheels should be bigger than what they give you.

 

toyota always follow a plan. Release a car half spec, then facelift it with the bits more like they designed it to have to lift the sales midway through the cars life.

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Also think back to 1992, how many cars were rolling around on 19s? hardly any and getting hold of tyres for that would have been a PITA also.

Very true, I've made this point before myself.

 

I used to read performance car magazines in the early nineties and I don't recall 19" wheels and tyres being very common or available at all.

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OMG yet another idiot.

 

The Supra was developed over an 8 year period and was delayed by two years too. In 1993 17 inch wheels were big, 19's were unheard of. As the others have said, where exactly would you buy 19/275/30 tyres in 1993?

 

Toyota spent a phenomenal amount of money in R&D, and make their own wheels so they would have only needed to pay for the raw materials and castings- we're talking pennies per wheel, if that- how much do you think 950 meetings between chief engineers and designers in just two years would have cost, just to talk about ways to save weight?

 

A Ferrari F40 only had 17's, yet cost £175,000 in 1987- hardly the stuff of cheap arses.

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OMG yet another idiot.

 

The Supra was developed over an 8 year period and was delayed by two years too. In 1993 17 inch wheels were big, 19's were unheard of. As the others have said, where exactly would you buy 19/275/30 tyres in 1993?

 

Toyota spent a phenomenal amount of money in R&D, and make their own wheels so they would have only needed to pay for the raw materials and castings- we're talking pennies per wheel, if that- how much do you think 950 meetings between chief engineers and designers in just two years would have cost, just to talk about ways to save weight?

 

A Ferrari F40 only had 17's, yet cost £175,000 in 1987- hardly the stuff of cheap arses.

 

True, the supra was a serious serious machine back in 1993, still is today :D i remember tiff needel doin the top gear on it, quicker than the porsche and ferrari back then i believe, its a pity they didnt bring out a new improved supra in 98 or somethin :(

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