rim offset for BBK advice

Joined
8 February 2003
Messages
3,189
Location
45 min N. of Road America in Appleton WI
Too many times the general automotive public thinks that a rims offset will determine if it will fit a BBK, let alone a stock caliper or not.

The truth is offset is not a quick answer for fitment. All the offset will tell you is where the top of your tire will be compared to your stock offset. The offset is just how many mm of distance from the centerline of the rim to where the hat mount is. The smaller the # and the rim will move out in the wheel well (deep dish). The larger the # the rim will move into the wheel well (flat face). The main thing to look for in fitment is the spoke shape.

Offset does play a role, but just so you rookie buyers understand that as an example you could have a "xy" offset fit on one nsx, and a diff style wheel with the same "xy" offset may hit the caliper because of a thick spoke shape.

Try to look at rims that have the spokes stay as vertical as possible from the outside edge of the rim. Ones that curve in like the TE37 at the lip usually are ok, cause the curve will wrap around the caliper.

Moral-- offset alone is NOT enough, spoke shape must also be considered. Good luck and maybe we need to start a NSX wheel fitment database to go along with the BBK fitment list.
 
T Bell said:
... maybe we need to start a NSX wheel fitment database to go along with the BBK fitment list.
Good luck with that!
 
Arata said:
Here here, that would be great.
Buy the way, are you a Picote fan or what??

Yeah he's ok for an old guy! Actually I put that on my avatar cause I just got his Troy Lee Design's replica helmet with jester on it. I will leave that there, til I get some pics of my NSX @ Road America this spring.
 
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