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Old 09-24-2014, 04:50 AM   #48
X25


 
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Drives: '16 C7 Z51
Join Date: May 2012
Location: Redmond, WA
Posts: 3,056
Wheels
I've been researching 19" wheels, and this has been a huge issue for me. Long story short, there's not any affordable wheel both with the weight savings and width I'd like for an affordable price.

Forgestar:
  • CF5V are their lightest wheels. 19x11 square is what I am interested in.
  • One vendor stated 20/21 lbs for front/rear, while another one lists them around 23 lbs. Finally I found a from-member- sale thread where the seller actually weighed 19x10 CF5V for front, and it was 23.5 lbs. So, I'd presume these wheels are 24+ lbs!
  • When I asked the first vendor why he said 20/21 lbs, he claimed that Forgestar has added weight to its F14s since they came out to increase their load rating and strength, and that the same thing might have happened to these wheels, too. Even at 24 lbs, I am still considering them since they're still not bad for the price.
  • I've heard from a Camaro5 forum member that his set of CF5Vs actually warped, and they're not strong enough. This would be very worrisome considering my intended use of these wheels.
  • EDIT: I bought a brand new set of Forgestar CF5Vs which I decided not to use for track duty, since I decided to go with OEM Z/28 wheels. My fronts are 25 lbs (ET17), while rears are 23.4 lbs (ET40).

TSW:
  • The wrong weight posting saga hits TSW hard: It is mentioned here that 19x10.5 Nurburgring wheels are actually 26 lbs!! Way too heavy, so they are out.
  • Their 20" wheels are actually pretty light considering the size, but then they don't have 11"+ wheels available.

APEX ARC-8 19x10.5 ET22
  • These wheels are pretty famous in BMW community, and are frequently used for track duty. I did buy a set for my street set-up, and they were flawless when I tried them at the track.
  • The fronts are almost flush, but the rears do stick out a bit like OEM Z/28 wheels due to their low offset.
  • They are spin-forged, and at 22.95 lbs, they are very light! You can easily feel the difference when you lift them after OEM 1LE wheels/tires.

Enkei:
  • Enkei RPF1s at 19x10 ET25 are actually the reason why I cannot buy a Forgestar or even a real forged wheel with clear conscience. These wheels are only 21 lbs, and they cost only $397/wheel!
  • These wheels have the weight of Forgeline / Finspeed wheels at 1/3 or 1/2 the cost!
  • The fitment is not too bad, and it would work for me. However, 10" width is just too limiting! If they were even a wee-bit wider at 10.5", I could consider them since 10.5" is a good width for 295 tires which I am considering.

Finspeed:
  • These wheels looks to be as good as Forgeline wheels (like GA1R), but they are much more affordable.
  • They are claimed to be as light as Forgelines, but the weights I've seen were about 1 lbs heavier than the GA1R in similar size. They have some wheel weight reduction options, but when you add those up, you might as well get the Forgelines.
  • I wonder if they could make a new wheel design that comes standard with the RT-option hub, smaller spokes (removing weight from spokes is another option at $250), etc., so they would not have to charge up to $600 in weight reduction options on the top of their base price for the wheel. That would make them very, very attractive in my opinion.
  • Overall, I believe Finspeed wheels are way to go if you're looking for real forged wheels.

Breyton:
  • This wheel is killing me: Breyton Spirit RS 20x10.
  • It's forged, and is just 17.7 lbs! Some say it might not be strong enough, but it is TUV approved and is a reputable European wheel, I would love to give them the benefit of the doubt.
  • The reason why it's killing me is obviously the price: At $499/wheel (down from $1389/wheel due to closeout), they are the best bang for the buck on the planet! That said, there's a reason why the closeout is so cheap: they only have 3 wheels!
  • With these wheels, the car could shed 10+ lbs per wheel compared to stock wheels.

OEM Z/28:
  • I believe these are around 25 lbs, but considering how strong they look, the weight doesn't look that bad.
  • The offsets will push the outward and keep the stock clearance of 1LE wheels inside, which is fine for me.
  • They are stress-tested and approved by GM; they will not fail

EDIT: I decided to go with OEM Z/28 wheels for track, and APEX wheels for the street.
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Last edited by X25; 11-29-2014 at 07:28 AM.
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