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Author Subject: 15x8 pro 1.2
superchargedblack1997gti6

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Post #1
Hi just wondered if these will fit as team dynamics released them this year would help with possible traction issues. Anyone used any wider wheels/rubber in 15 inch size.

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Posted 14th Nov 2013 at 13:05
allanallen

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Post #2
Think they'll go on in et0, wider 1b tyres are £££ though Sad

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Posted 14th Nov 2013 at 13:43
robthe6

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Post #3
I had to modify the inner arch on 16x7.5j just to stop it scrubbing the arch liner. So Aslong as you didn't move the wheel in any more you should be fine.

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Posted 14th Nov 2013 at 13:55
superchargedblack1997gti6

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Post #4
Ok thanks so they will fit without me having to extend arches? any ideas the biggest tyres I can getaway with r888 or A048s? thanks

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Super high boost Completed, destroyer of gearboxes and 160mph club
Posted 14th Nov 2013 at 14:05
allanallen

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Post #5
225/45/15s by the looks of toyos specs.

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Posted 14th Nov 2013 at 14:24
superchargedblack1997gti6

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Post #6
Thankyou very much Allan i presume they'll work with you're machined hubs?

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Super high boost Completed, destroyer of gearboxes and 160mph club
Posted 14th Nov 2013 at 14:27
allanallen

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Post #7
It's up to you to check your tyre to hub clearance to be honest and it depends how much camber you want to run. Anythings possible though Wink

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Posted 14th Nov 2013 at 15:56
superchargedblack1997gti6

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Post #8
Track car only with very occasional fast road I'll be giving you a shout very soon ill order the wheels first so I know how much clearance we have available. Thanks again Allan

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Super high boost Completed, destroyer of gearboxes and 160mph club
Posted 14th Nov 2013 at 16:06
pete_rallye

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Post #9
I tried this many years ago and found the main issue I had was the inside of the wheel hitting the inside of the arches whilst cornering, reduced steering lock loads. You could spacer the wheel out miles but you'll definately have wheel arch scrubbing without rolling the arches, or running 4x4 ride height. Was ok at the back though!

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Posted 14th Nov 2013 at 20:27
superchargedblack1997gti6

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Post #10
you think its worth doing though Pete ? I'm not worried about getting the arches rolled!

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Super high boost Completed, destroyer of gearboxes and 160mph club
Posted 14th Nov 2013 at 21:02
pete_rallye

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Post #11
Not really tbh, I mean the extra grip would be nice but the trade off been you wouldn't be able to run as much camber and you're kingpin angle would be greater, along with a higher unsprung weight so although under acceleration and braking you'd probably be better off, you'd probably find the car wouldn't corner as well. This is all theory mind, you may find its ace! Only one way to find out!

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Oulton Park in a BTCC 306 vid 1
Oulton Park in a BTCC 306 vid 2
Lap of the 'ring
Posted 14th Nov 2013 at 21:10
BigTallPaul

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Post #12
For track or fast road use I wouldn't recommend an 8" wide rim. Trouble with clearance is one thing, cost is another and weight is yet another. Plus the extra rolling resistance.

You can run 225/45 × 15 on 7" rims and save a whole lotta hassle.

Imho.

Paul
Posted 15th Nov 2013 at 00:00
superchargedblack1997gti6

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Post #13
my query is all about grip. As the cars going to run 500ish bhp I'm going to need all the grip I can get. price I can get these wheels for the same price as the 7 inch wide
cheers

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Super high boost Completed, destroyer of gearboxes and 160mph club
Posted 15th Nov 2013 at 07:41
dangti6

aka JKshooter

Location: Taunton, Somerset

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Post #14
Modify the inner arches.

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  • Posted 15th Nov 2013 at 13:14
    pugheaven

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    Post #15
    Just dimma it and be done with it lol
    Posted 15th Nov 2013 at 16:58
    superchargedblack1997gti6

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    Post #16
    If I Dimma it, it goes 4x4 end of! which is why I'm steering clear of it if I can.

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    Super high boost Completed, destroyer of gearboxes and 160mph club
    Posted 15th Nov 2013 at 17:16
    pete_rallye

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    Post #17
    If its straight line speed you're after then 8 inch wide will be fine but there's a lot of other considerations if you want it to be quick around a circuit. In theory you will have a bigger contact patch, so better grip under acceleration and braking, but it may not ride so well, could be worse on its tyres depending on if you can get the camber you need, the additional scrub radius will increase torque steer and could reduce stability under braking. I'd maybe see if you can pick some cheap ones up first, stick em on the front and see what happens.

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    Oulton Park in a BTCC 306 vid 1
    Oulton Park in a BTCC 306 vid 2
    Lap of the 'ring
    Posted 15th Nov 2013 at 19:14
    superchargedblack1997gti6

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    Post #18
    it's for my track car Pete so cornering is a priority but with big bhp so is traction. I think ill just order a set and see how I get on maybe I can modify the metal inner arch to accommodate the bigger rubber I have the engine out at the moment. trouble is ill have to do it as a test bed surprised you didn't do it a long time ago Pete you've tried most things with the cars and created some very fast cars as a result.

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    Super high boost Completed, destroyer of gearboxes and 160mph club
    Posted 16th Nov 2013 at 09:03
    rallyeash

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    Post #19
    Colin Satchell runs 15x9' front rims on his 205 hill climber.

    I'd say there would be an advantage for sure.

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    Posted 16th Nov 2013 at 09:26
    pete_rallye

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    Post #20
    Never seen Colins car other than in pictures but I'm reckoning its a safe bet that hes fitted 9 inch rims along with getting the geometry of the car spot on as well. Indeed the wider the rubber the better, just depends how much other work is involved to make it work effectively. Colins obviously pretty handy when it comes to fabricating stuff to get everything working right.

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    Oulton Park in a BTCC 306 vid 1
    Oulton Park in a BTCC 306 vid 2
    Lap of the 'ring
    Posted 16th Nov 2013 at 16:58
    rallyeash

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    Post #21
    Im sure they were in mind when building his suspension. There RWD escort rims

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    230 hp 2.1 16v XU 205 rallye on jenveysHyper Project thread here
    309 3dr K20 Type R
    Posted 16th Nov 2013 at 17:05
    rallyeash

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    Post #22
    What did you do in the end here?

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    230 hp 2.1 16v XU 205 rallye on jenveysHyper Project thread here
    309 3dr K20 Type R
    Posted 8th Jan 2014 at 17:26
    superchargedblack1997gti6

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    Post #23
    Waiting Ash as I'm waiting to see if u can find someone to help me with the suspension geometry and changing it to get it right. Look forward to seeing youres with the wider rims.

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    Super high boost Completed, destroyer of gearboxes and 160mph club
    Posted 8th Jan 2014 at 19:57
    rallyeash

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    Post #24
    Fair enough. I'm not sure weather it's worth ordering a pair of 8' for the fronts. Don't really know if it's worth doing but at the same time I don't want to be trial and error.

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    230 hp 2.1 16v XU 205 rallye on jenveysHyper Project thread here
    309 3dr K20 Type R
    Posted 8th Jan 2014 at 20:42
    superchargedblack1997gti6

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    Post #25
    Sorry mate that meant I'm looking for someone to help adjust the Geometry for the car I think it's worth doing for the traction but by the feedback I'm getting it's going to take a lot of work to set it up right. Think I'll probably get it running right on my normal wheels then get it sorted once if enjoyed it for a bit. Iron out the bugs

    ________________________________________

    Super high boost Completed, destroyer of gearboxes and 160mph club
    Posted 8th Jan 2014 at 21:14

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