Forged 16x8 BNR32 GTR Wheels

RWD/FWD/4WD it takes all sorts!

Forged 16x8 BNR32 GTR Wheels

Postby Fred » Mon Mar 31, 2014 7:44 am

For the purposes of this thread (and other future ones like it) I'm going to include tyres, wheels and other between engine and road driveline parts in "transmissions".

Here are a couple of low res pics of the new GTR wheels that I just nabbed for the ute, higher res pics will be posted once I pick them up!

Image

Image

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Enjoy! :-)

Fred.
Fred
 
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Re: Forged 16x8 BNR32 GTR Wheels

Postby Fred » Sat Apr 05, 2014 10:21 am

Picked these up today! :-) They don't look as big as I thought they'd look. In other words, I think they'll fit OK :-)
Fred
 
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Re: Forged 16x8 BNR32 GTR Wheels

Postby Fred » Tue Apr 08, 2014 8:33 am

Just measured the space for brakes!

  • 398 at the inner edge
  • 360 at the hub face
  • 350+ at the minimum near the spokes.

The brakes I'm looking at have rotors of 314x32 which would appear to leave 46mm of space at the hub face, 23mm of space per side, so the calipers would need to be that thick, or thinner.

Fred.
Fred
 
Posts: 190
Joined: Fri Nov 26, 2010 8:19 am

Re: Forged 16x8 BNR32 GTR Wheels

Postby Fred » Tue Apr 08, 2014 10:20 am

R32 GTR rotors are 296x32 which would leave another 18 total, 9 per side, 32 per side total of clearance from rotor to wheel, depending on where on the wheel we're talking. This might be a good option combined with the S8 calipers which have a nice 160mm mounting spacing. Nissan sumitomo calipers along with the Nissan badging have a puny 100mm spacing on them. I'd like to see some calipers in person with a vernier and/or ruler before making a final call. I'd also like to spend some time pricing rotors of various sizes in order to get a feel for best value for money combo. Apparently DS3000 pads are available off the shelf for all of these 4 pot sumitomo calipers, which is nice.
Fred
 
Posts: 190
Joined: Fri Nov 26, 2010 8:19 am

Re: Forged 16x8 BNR32 GTR Wheels

Postby Fred » Sun May 11, 2014 1:15 am

According to the internet centre bore:

FC = 59.6
FD = 67.1
R32 = 66.1

This concurs with my findings today (guess, then measure as best I could). It also means I'll have to machine the GTR rims to use them on stock Mazda hubs, or machine the hubs to fit the GTR rims.

Rear brake rotors are 285x18 or a little more width. This is bigger than the stock fronts, which seems appropriate once I fit decent fronts to it. Even if I ditch the calipers and put different/better ones on, I can keep the drum hand brake, which is superior to disk handbrakes in every way.
Fred
 
Posts: 190
Joined: Fri Nov 26, 2010 8:19 am


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