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Discussion in 'Model 3' started by SignatureWheel, Jan 9, 2019.
Jimmy is super patient and knowledgeable. Pull the trigger on Signature SV503 in 19inch, thx again!
Are your weights for the 8.5" fronts or the 10" rears? Or the average of the two?
Dont forget to add the increased tire weight to your calculations of reduced unsprung weight...245-285 are heavier than 235's
Like for like, Pilot sport 4s (oe 20" tires)
235/45R18 = 23lbs
245/40R19 = 24lbs
255/35R19 = 24lbs
275/35R19 = 27lbs
285/35R19 = 28lbs
235/35R20 = 24lbs (TO Spec)
245/35R20 = 24lbs (non TO)
255/30R20 = 23lbs
275/30R20 = 28lbs (TO SPec)
285/30R20 = 27lbs (non TO)
Conti Procontact RX (OE 19" tires)
275/35r19 = 28lbs
No other available sizes
Michelin Primacy mxm4 (oe 18's)
235/45r18 = 25lbs
245/45r18 = 27lbs
275/40/18 = N/A
245/40r19 = 29lbs
275/35R19 = N/A
OE 18" tires 25lbs
OE19" tires 23lbs
OE 20" tires 24lbs
Reasonably reduce your claimed sprung weight reductions by 40lbs-60lbs (depending on tire) for a common 245/275 staggered (assuming your quoted weights are for the average of an 8.5" wheel and 10" wheel and not the lesser of the two).
Food for thought, the 0-60 time of the performance with no passengers and 2 passengers is identical (from a dig, my P3D+ vs my boss's P3D-, him vs me both solo and him vs me with 2 passengers yields identical results). Car is traction limited. More people =>ukN, means it can feed more power in before impending slip is achieved. All that lighter wheels/tires do to the 3 is change your damping profile as the dampers are tuned for a specific wheel/tire/suspension mass. You also end up with much noisier tires as I found. The TO spec tires are significantly quieter albeit slightly heavier.
Totally an aesthetics purchase! That said I sold my 20's and bought aftermarket 19's. Were your SV104's available at the time I probably would have grabbed those instead of what I ended up with. Great wheel selections!
Excellent point on tire width weight and thanks for the compliment of our selection. The examples given base off switching OEM 20x8.5 with OEM tires to 18x8.5 with OEM tire size. Both 235/35/20 and 235/45/18 weigh exactly the same.
For every 1" wider on our wheels, it adds 1.5LB + additional tire weight. It depends on the customer's end-goal, do they want purely weight savings with our wheels alone, step down in size (which our 18" clears Performance brakes), or go wider tread.
Below is a weight example. Signature Monoblock SV104 Brushed Aluminum 19x9 ET35 weighs 18.56LB on a calibrated precision scale. (OEM 19x8.5 is 25.0LB)
*Interesting fact, brushed aluminum weighs slightly less than the powdercoated version. It's not huge, but .20LB is what we've seen from our data logs. They're hand brushed aluminum with a light coat of clear. Our track customers love it and if a rock hits it at 130mph it doesn't show, a little clear touch up as needed.
9" wide allows the customer to run stock tires (still within specs) for weight reduction or to 265 for max grip.
Thanks so much for your business. Looking forward to seeing mounted photos.
Excellent info! should be helpful to a lot of owners. I think a lot of people overlook TO spec tires. When I changed my wheels to a staggered set up, I stuck with the OEM Conti RX tires for the front and went with new wider Conti RX tires in the back to prevent introducing more noise. Although tempting to replace all tires with a higher performance tire I didn't want to compromise potential noise increase plus my car is strictly for street use and although stock RX tires are not super high performance, I never drive in a manner where I feel I am at the limit of their adhesion.
A big bonus that these can accomodate OEM center cap. Do these wheels also have relief pockets for the protruding rotor bolt?
Yes, there's plenty of relief pockets for the Hub bolt. Every set is made to fit your vehicle, we don't build any set unless precise measurements have been made for that particular vehicle. We also complete additional measurements for vehicles with Big Brake Kit (BBK). See below, example of relief pocket on the Ford Performance Racing School's GT350R with our Track Series SV502.
Also, we're running an introductory promo offer for TMC forum members only. Limited time.
Example of our OEM center cap bore option below.
*Signature SV303S with Ferrari OEM Caps Bore
Informative post! However, this section is incorrect. The car isn't traction limited as has been tested by many people on the forum already. The stock P3D+ tires peak around 1.2G's max grip when doing 60-0mph braking tests, and the car only reaches ~0.8G max during acceleration, which means they're still a good bit away from their traction limits under acceleration and they don't slip at all.
Also, lighter wheels do improve acceleration times (very marginally) due to less rotating mass and therefore lower inertia. But in what I've seen it's usually only ~0.05 second improvement even when removing 8-10lbs per corner. Changing wheels and tires are not just an aesthetics purchase, otherwise racing teams would all still be running OEM setups.
Lastly, the fact that the wheels offered in this thread are custom made with Model 3 in mind is hugely helpful, and means most people will benefit from some type of performance increase if they end up with a lighter/wider setup.
Signature had a customer changed his mind and switch to 20s instead, so i got his ready ones 3 weeks ahead of schedule. Now i wait for UPS...... waiting waiting waiting
SV503 Brushed Black Triple Tint
19x9.5 ET34 Square
Can't wait to see these on! What are they going on? RWD, AWD, P-AWD?
Signature Track Series SV502 20" Matte Black
Highlighting our optional antislip knurling bead tread feature. This feature is helpful for those who balance their track setup for track use. For track use, starting cold tire pressure is low, tires are sticky, and heavy acceleration / braking force the tires to slip around the wheel easier than street application. This cause a well balanced set of wheels and tires to go out of balance within a couple of laps. GM discovered this problem as well when developing the 2014 Camaro Z/28.
Race teams around the world use antislip knurling bead tread to reduce tire slippage. Tesla has instant torque, has any P3D marked their tire and wheel to see if the tire moves around the wheel after a few launches? We're interested to hear from you.
It’s an RWD!
I am thinking about a square setup 19x9.5 +35 in SV104 and also getting the sport MPP suspension. I have the performance model but without the need for the hub lip since mine did not come with the performance brakes nor the thin rotors. There seems to be plenty of inner clearance in the front if MPP is running 19x10 +35 so wondering why you chose +34 for offset rather than +35? The wheel already pokes a bit at +35.
It was a set that we already built for a customer that changed to a 20" setup. Since he'll be running MPP Comfort Coilovers at the lowest setting (before the need to change out the Toe arms), that natural camber pulls the top of the wheels in to create a flush setup. 35 vs 34 is 1mm, a human eye cannot notice that insignificant difference on a car without precise measuring tools.
Most manufacturers round offsets to the nearest 5mm due to ease of casting or inventory management. Our wheels are custom built to the customer's suspension, tire size, tire width, and desired need. We have the ability to fine tune in 1mm increments for a well tailored fitment.
The back story is interesting but I guess my question was to see what offset would be optimum for my specific setup and goal:
- SV104 19x9.5 square with 265/35 Michelin Pilot Sport A/S 3+ tires
- P3D- without the thin rotors, without hub lip (3mm I think)
- MPP sport coil-overs lowered only one inch (minimum lower for good rebound).
- MPP 365 big brake rotor kit
1. absolutely no rubbing under any situation
2. least amount of poke after first goal is met
You can run 19x9.5 ET35, no problem. See below, Signature SV104 Brushed Aluminum 20x9 ET30 front and 20x10.5 ET40 rear. 245/35/20 front and 285/30/20 rear. Stock suspension, Performance package. If you're lowered with MPP, the natural camber will tuck 265 in perfect with 19x9.5 ET35 or 34.
What would the weight of SV104 in 19x9.5 be?
And what's the price on these?
19x9.5 weighs 19.8LB, give or take a couple ounces depending on your final offset.
They are all here!