Author Topic: MK7 GTD Winter Wheels  (Read 86 times)

Offline nads1_uk

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MK7 GTD Winter Wheels
« on: June 13, 2018, 12:39:12 PM »
Currently have a 64 plate GTD and looking for some cheap winter wheels.  My current wheels are 225/40/R18 (Rim is 7.5jx18 ET51).  I've got a couple of questions:
 
What is the smallest size wheel I'll get over the brakes?
What Rim size will I need?
What Tyre size would I need to keep the speedo reading right?

Apologies for all the questions.

Thanks in advance

Andy

Offline PatchySan

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Re: MK7 GTD Winter Wheels
« Reply #1 on: June 13, 2018, 06:26:37 PM »
What is the smallest size wheel I'll get over the brakes?

Assuming the MK7 GTD has stock brakes with 312mm discs the smallest wheel you can theoretically fit are 16" though it will be a squeeze. 17" would be a safer bet but what really matters is the clearance from the brakes and strut (offset) and the design of the spokes.

I generally use Willtheyfit to get a rough idea of how much poke you need to clear the strut and brakes from your existing setup, it helped me gauge an idea of what OEM wheel I need to fit over my Porsche Boxster brakes.

What Rim size will I need?

5x112 bolt patterned 16x6.5+ / 17x7+ wheels mainly but again offset is the key factor here. Use the calculator to see how much inwards/poke the new wheel setup will be.

What Tyre size would I need to keep the speedo reading right?

205/55/16 or 225/45/17 are standard OEM tyre sizes and will be within <1% margin of error from the speedo.

Offline kam760

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Re: MK7 GTD Winter Wheels
« Reply #2 on: June 15, 2018, 11:26:21 PM »
Getting a set of steelies? What brand tyre are you looking at btw?