Swapping to 20" alloys, is it all worth it?

Post by **slowmonkey** » Thu Dec 13, 2012 4:32 pm

Jph wrote:The car is looking awesome in that shot slowmonkey, will you be at Ultimate Dubs in March?

Cheers mate. I probably won't make a weekend of it, but I might go up on the Sunday, but it's a 3 hr trip........... Early Edition for definite.

Post by **AdrianD** » Thu Dec 13, 2012 10:02 pm

slowmonkey wrote:Definitely worth it ! I love the look of mine on the 20"'s.

Mine is at ET23 (OEMis ET33) on a 9.5 inch 20"' and also coilovers

Slowmonkey, i thought the standard alloys were 19x9, ET29?

Mine with the 20's fitted, 20x9, ET30 & 10mm spacers....not the best pic though

...

Post by **sonny** » Fri Dec 14, 2012 3:39 am

Looking good Adrian

Post by **Revolution** » Fri Dec 14, 2012 10:41 am

very nice indeed...what size tyres are you running..?

Post by **slowmonkey** » Fri Dec 14, 2012 10:45 am

AdrianD wrote:
slowmonkey wrote:Definitely worth it ! I love the look of mine on the 20"'s.

Slowmonkey, i thought the standard alloys were 19x9, ET29?

Apologies you are right ET29......... Your car looks great, really like those wheels.

Post by **AdrianD** » Fri Dec 14, 2012 10:01 pm

Thanks Guy's

Revolution wrote:very nice indeed...what size tyres are you running..?

Running 255/30-20 Yokohama's bud..

Post by **Revolution** » Sat Dec 15, 2012 10:08 am

good choice of tyres too....glad you stuck with 255 as a few guys are running 245 for clearance and a smaller tyre than factory is no, no for me...

Post by **slowmonkey** » Sat Dec 15, 2012 9:25 pm

What is the difference in size from a 245 to a 255 then, I know it's 10 !! but 10 what ?

Post by **nij** » Sat Dec 15, 2012 9:40 pm

slowmonkey wrote:What is the difference in size from a 245 to a 255 then, I know it's 10 !! but 10 what ?

10mm and also the circumference of the 245/30/20 tyre is smaller than OEM.

I'm running 265/30/20, making it slight larger circumference than standard. Another plus for running 265/30/20 is that the speedometer is closer to the true speed as it was under reading on OEM wheels and tyres.

Post by **dazie00** » Sat Dec 15, 2012 9:40 pm

10 mm so 25.5 cm wide

Post by **MartayMcFly** » Sun Dec 16, 2012 5:30 pm

slowmonkey wrote:What is the difference in size from a 245 to a 255 then, I know it's 10 !! but 10 what ?

10mm, the first number is the tyre's width in mm (255), then its the sidewall height as a % of the width (35% of 255 is 89mm) then the inner diameter, ie what size of rim it fits in inches (R19/20)

A 255/35 tyre will have a larger sidewall than a 245/35 so will also have a smaller rolling diameter.

Post by **MartayMcFly** » Tue Jun 04, 2013 5:56 am

OK, so finally getting around to fitting my 20"s, just waiting on some missing wheel nuts from H&R for the adapters. I went for 45mm either side to bring the wheels down to ET15 all round. With 255/30R20 GY Eagles I hopefully won't get any rubbing, or I might never get round to fitting the bloody things. I'll be in 'the club' soon enough though, watch this space!

Post by **MikeFish** » Tue Jun 04, 2013 6:56 am

Assuming you are going for 9" wide alloys, that is a really low offset. It would be the equivalent of using 14mm spacers on OEM wheels all round. That is gonna rub at the front at least I reckon.

Post by **MartayMcFly** » Tue Jun 04, 2013 8:23 am

If slowmonkey's CKs fit at 9.5" wide and ET23, then my 9" wide ET15 will only be another 2mm out. It'll need the front arch screw removed, but I think it'll work. I hope it'll work.

Post by **slowmonkey** » Tue Jun 04, 2013 8:43 am

I'm inclined to agree with Mike that you will be a few mm out there, compressions and going to catch you out I think.

In an ideal world I would have milled my front BBS fitting kit adapters down to give me an offset of ET26 on the front.

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