So i just got a beautifull set of OEM 17x9 5 spoke ss wheels with a 50 mm backspacing and need tires for them. I was wondering what the correct size would be to keep the right tire height so no speedo correction is needed since im going from 16" rims to 17" rims?
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1994 Camaro Z28 Bolton's, stall, 275 nitto's - SOLD
1998 Camaro SS looking for 120+MPH N/A -
275/40 R17 tires will have the exact same OD as your stock tires resulting in true speedometer readings. Here is a doorjamb label from a SS that had the 17" wheels stock.
Tracy
2002 C5 M6 Convertible
1994 Z28 M6 Convertible
Current Mods:
SLP Ultra-Z functional ramair, SS Spoiler, STB, SFCs, Headers, Clutch, Bilstein Shocks, and TB Airfoil. 17x9 SS rims with Goodyear tires, 160F T-Stat, MSD Blaster Coil, Taylor wires, Hurst billet shifter, Borla catback with QTP e-cutout, Tuned PCM, 1LE Swaybars, 1LE driveshaft, ES bushings, White gauges, C5 front brakes, !CAGS, Bose/Soundstream audio, CST leather interior, synthetic fluids
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thanks trace now i just need two nitto dr's and two nitto 555's in that size1994 Camaro Z28 Bolton's, stall, 275 nitto's - SOLD
1998 Camaro SS looking for 120+MPH N/AComment
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The "stock" SS and WS6 wheels used on coupes are 17x9.0" with 50mm offset. That's about a shade under 7.0" backspace.
What tire size will match depends on what tire size your Z28 came with. The "base" tire was a 235/55-16. That's a 26.2" outside diameter. If the original order ticked the RPO "QLC" box for the Z-rated tire option, it came with 245/50-16 tires, 25.7" diameter.
The 275/40-17 is the exact match to the 245/50-16. But it is 2% smaller than the 235/55-16. A 285/40-17 would be a closer match if your car had the 235/55-16's. Most manufacturers recommend a 9.5" wheel width for the 285 though.Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motorComment
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my car came with the 245's1994 Camaro Z28 Bolton's, stall, 275 nitto's - SOLD
1998 Camaro SS looking for 120+MPH N/AComment
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