997 Turbo with 20" 991 Turbo Centerlock Wheels?
#1
My stock 19" centerlocks have R888's for racing so I'm thinking about another wheel/tire combo to put on just for driving around town. Can the centerlocks from the 991 Turbo or 991 GTS fit the 997 Turbo? I would definitely have them painted black as I'm not thrilled about the chrome/black look. Thanks! EDIT: GMG had an extra set lying around and installed them for me this morning. They fit almost EXACTLY the same as the stock 997.2 centerlocks. The front wheel was nearly flush with the fender but the rear was set in about an inch, which I do not like. Here's pics:
Last edited by longboarder; 11-18-2015 at 01:18 PM.
#3
Nah can only run centerlocks. If the 991 Turbo centerlocks don't fit I've been set on HRE P101's for a while.
#6
So does that mean the 991 wheels will not sit flush? Instead they will be set in too far? You are right, we cannot use spacers.
#7
Yep, they will be in too far. Out of my own curiosity I checked. Weird, but the turbo wheels have offsets of 56 and the GTS wheels have offsets of 52. So the GTS wheels should work, but won't be very aggressive and the turbo wheels could work if they don't create inboard clearance issues. Neither will have a very aggressive look and you can't fix it with spacers.
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#8
If the GTS or 991 Turbo fits the 997TT, then you can space it out with a combination of upper and lower adjustable control arms, along with Tarett's 15mm axle spacers for the rears.
Originally Posted by ryem3
Yep, they will be in too far. Out of my own curiosity I checked. Weird, but the turbo wheels have offsets of 56 and the GTS wheels have offsets of 52. So the GTS wheels should work, but won't be very aggressive and the turbo wheels could work if they don't create inboard clearance issues. Neither will have a very aggressive look and you can't fix it with spacers.
#9
I do have the rear end links and I guess they could be pushed out but that would negatively impair the handling of the car, according to GMG.
#10
Yep, they will be in too far. Out of my own curiosity I checked. Weird, but the turbo wheels have offsets of 56 and the GTS wheels have offsets of 52. So the GTS wheels should work, but won't be very aggressive and the turbo wheels could work if they don't create inboard clearance issues. Neither will have a very aggressive look and you can't fix it with spacers.
#11
It should not, according to Tarret and Elephant Racing, as you are effectively spacing out the offsets just like any other aftermarket rims, but in a different way with the addition of 15mm axle spacers, in conjunction with the adjustable arms, which will correct cambers and casters.
Originally Posted by longboarder
I do have the rear end links and I guess they could be pushed out but that would negatively impair the handling of the car, according to GMG.
#12
Originally Posted by longboarder
I do have the rear end links and I guess they could be pushed out but that would negatively impair the handling of the car, according to GMG.
#13
It should not, according to Tarret and Elephant Racing, as you are effectively spacing out the offsets just like any other aftermarket rims, but in a different way with the addition of 15mm axle spacers, in conjunction with the adjustable arms, which will correct cambers and casters.
#14
Understood, but could the handling issues be due to incorrect alignment and steering wheel centering, rather than offsets?
Originally Posted by longboarder
You are correct my end links were extended by 10mm. However I was having some handling issues and went to GMG for help. Their recommendation was to reset the end link length to stock and align properly. It made a nice difference. Mostly because my alignment and steering wheel weren't set right (my suspension setup also includes Ohlins R&T, GMG front and rear sways, tarett drop links and GMG front bump/toe steer). The suspension feels incredible to me now and really don't want to do any further changes. If I have to push out the rear wheel to sit flush by extending the end links and/or axle spacers I will probably pass and pick another wheel since I'm so happy with the suspension right now. If the 991 centerlocks don't fit I'm gonna go all out with some 20" P101s yummy.