perfect offset/width ?

rising son · January 10, 2012, 08:53:39 AM

im ditching all the plans i had, mostly due to my wheels being too wide amoungst other things , would need arches and i aint cutting up my wings as they are too good.. anyway, what would be an ideal width and offset for an FC ?? i dont want the wheels buried in the arches or hanging right out... cheers in advance.

Prof · January 10, 2012, 11:37:09 AM

I run 17x8JJ rims with ET35 offset (I think stock is closer to 40) all round on my FC vert and they are an excellent fit, don\'t mess up the handling and fill the arches nicely. I use 225/45 rubber on there - as that fits nicely on the 8 inch rim - no strechty / no baloon and gives very little error on the speedo.

You could go wider on the back, but then lose the ability to swap wheels front to back. I know people have fitted 9" rims and even 10\'s on the FC.

dthebuk · January 10, 2012, 12:07:21 PM

not sure on perfect, but you\'ll need staggered fitment. The rear requires more offset/width to line up with the front

rising son · January 10, 2012, 01:25:15 PM

was thinking id need staggered... but if i find something i like non staggered ill put hubcentrics on the rear, another question is... between what offsets are good? like what offset is too small and wont fit the hub or scrub against something and whats too big?... whats a no no ... hate looking for wheels

B.Martin · January 10, 2012, 01:51:29 PM

I don\'t fully understand this rim business, check this out though.

http://fc3spro.com/TECH/MODS/RT/rims.htm

That should help.

rising son · January 10, 2012, 02:29:17 PM

Quote from: B.Martin;805985I don\'t fully understand this rim business, check this out though.

http://fc3spro.com/TECH/MODS/RT/rims.htm

That should help.

^^^ nice !

rising son · January 10, 2012, 10:03:24 PM

right... that guide says max offset on a front 7j rim is 40.... ive seen ones 7j with 45 offset.. what does this actually mean? does that mean they will rub on the inside parts or stick out to far??? a really dont get this offset stuff

m1tch · January 10, 2012, 10:08:36 PM

Drop in the specs here and you will see how far much neerer or further away they are from stock

http://www.1010tires.com/WheelOffsetCalculator.asp

I am running FD rims on mine, needed a 20mm spacer on the front to clear the suspension

http://fc3spro.com/TECH/MODS/RT/fdfit.htm

rising son · January 10, 2012, 10:27:41 PM

right m1tch... so if i were for talkin sake running 35 offset now... and put on 45 offset... the wheel would sit further INSIDE the arch by 1omm? or stick out 10mm more ? thats what i cant figure out

Ricco_04 · January 10, 2012, 10:34:57 PM

Stock 16" rims where 7" wide with an offset of +45. All 4 corners where the same.

Quote from: rising son;806189right... that guide says max offset on a front 7j rim is 40.... ive seen ones 7j with 45 offset.. what does this actually mean? does that mean they will rub on the inside parts or stick out to far??? a really dont get this offset stuff

Difference betwene a 7j +40 & a 7j +45 is that the wheel with the + 40 will sit 5mm further out than the +45. Both are 7" width and only difference is the offset.

nic3s · January 10, 2012, 10:38:47 PM

7J Et45 will look rubbish. I\'m running 7j Et35 on the front and need 50mm spacer at least.
I previously had 8j et25 fr and 9j et27 rear which was nice and flush i\'d say. I still wanted to put a 25mm spacer on the rear though

nic3s · January 10, 2012, 10:41:52 PM

Quote from: rising son;806209right m1tch... so if i were for talkin sake running 35 offset now... and put on 45 offset... the wheel would sit further INSIDE the arch by 1omm? or stick out 10mm more ? thats what i cant figure out

The lower the offset figure, the further the wheels stick out/toward the arch. You have to take width and offset into consideration together when figuring out where the wheel will sit. So the Et45 will sit 10mm further in than the Et35, assuming the both wheels are the same width.

rising son · January 10, 2012, 10:42:10 PM

right got ya... i think, this is gettin too much for me to take in

just want some nice fitting wheels

rising son · January 10, 2012, 11:30:44 PM

Quote from: m1tch;806193Drop in the specs here and you will see how far much neerer or further away they are from stock

http://www.1010tires.com/WheelOffsetCalculator.asp

I am running FD rims on mine, needed a 20mm spacer on the front to clear the suspension

http://fc3spro.com/TECH/MODS/RT/fdfit.htm

m1tch just found a set of FD wheels, u say u needed 20mm front spacers... how do the rears sit?

m1tch · January 11, 2012, 07:53:14 AM

The fronts are exactly inline with the edge of the front wings (maybe slightly over but that might be due to the tyres), the rears are no issue, I have no spacer fitted to the rear and they are quite some way inside the arch, would probably need a 15-20mm spacer to bring it out level.