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5x112 - 8x18 ET40

Donnyboy

Donnyboy

The Candy Man
Mar 15, 2005
1,558
1
renfrewshire
Will these fit my car ok with a 225/40/18 tyre?

The center bore diameter is 57.06mm (57.1mm)

Its a MK2 Cupra.

Anyone got nay pics with a similar wheel?

Whats the offset of the standard Cupra wheel? et51?
 
Last edited:

Knight_Rider

brum brum
Jun 25, 2009
907
1
Home of the premiership's newest team
yeah, got that exact setup on my car mate.

lowered on sportlines too and no rubbing issues or catching of arches... think it's when you get to around ET35 you get problems...

014.jpg
 
Last edited:

Knight_Rider

brum brum
Jun 25, 2009
907
1
Home of the premiership's newest team
centre bore can't remember.. all i know is that the front or rear wheels have a spacer in the centre bore bit to make it tighter... not sure if that's cause the the wheels were made with two different bores or the actual hub is a different size on the car?
 

Knight_Rider

brum brum
Jun 25, 2009
907
1
Home of the premiership's newest team
Different manufactures produced different protursions...even if the offset is the same for some reason some makes they stuck out more! I think BBS stick out more than other makes. Looking @ Nick P's being 50's and mine being 40's... not much difference is there!?
 
Fl@pper

Fl@pper

Back older greyer and less oilier but always hope
Jun 19, 2001
12,368
25
Gloucester
quick parts scan lists em 6.5J x 18 ET51 ?? hmmm

but then it's worth a check to be sure as there is no point trying to figure out what will fit when you have no baseline to compare it too, that way you can simply measure off the current wheel to see what rooms left or not left as the case may be :)

not in this case of course but for others dont forget if changing wheel diameter the vertical axis + tyre profile% + width needs consideration too as a 45 profile on a 195 is lower in mm than a 45 on a 235 and it can change a lot quite easy


starting with 8.0/40

6.5/51 = 8mm less clearance inner / outer edge extended +30mm

*7.5/51 = 5mm more clearance inside / outer edge extended +17mm
 
Last edited:
Fl@pper

Fl@pper

Back older greyer and less oilier but always hope
Jun 19, 2001
12,368
25
Gloucester
found it

that ones listed on the 16" page wierdly?? but does list orion + colours in 7.5/18 et51
thinner one i found earlier in on 18" page and listed linear R but same style

let me know the year and ill list the spec sticker codes to check and be sure whats on what


cheers Nick - edited to suit
 
Last edited:

Al

Active Member
Aug 29, 2005
7,326
9
ET45 Pro Race 1.2's do make contact with the inside of the front arch on my car and Owens car with 225/40/18 tyres. I also believe they may scuff on Dans car with his 235/40/18 tyres.
 
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