Front Tire Width Calculator For The 55-57 Chevrolet
Help with the right size tires, wheels and spindle combination.
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Vehicle Information
Numbers must be entered as decimals, example 71 1/4" would be entered as 71.25.
Front fender inner lip width
Measure at the top of the fender inside to inside 70 ~ 72" is the stock measurement
Quick pick for wheel mounting surface width
Stock brakes 59.5"
Classic Drop McGaughy spindles 60.5"
Classic Drop McGaughy spindles + aftermarket control arms 58.5"
Stock spindles with disc brakes 62"
Stock spindles with disc brakes + aftermarket control arms 60"
TCI Drop spindles same as stock 59.5"
TCI Drop spindles + aftermarket control arms 57.5"
84-87 C4 Corvette clip 60.8"
88-96 C4 Corvette clip 62.1"
Front wheel mounting surface width
Measure with disc/drum in place Approximately 59 1/2 " is the stock measurement
Clearances appear to be good, but, double check with the tires on the car.
Tire and Wheel Information
Metric Tire size
185
190
195
200
205
210
215
220
225
230
235
240
245
250
255
260
265
Tire width in inches
change metric size only
Wheel width
5
5.5
6
7
8
8.5
9
9.5
15" x 7" wheel width would be 7"
Wheel back space
must be a decimal 4 1/4" would be 4.25
Tire clearance
Tire clearance to front lip on fender
Over all width outside to outside tire
should be 68" or less on a dropped front end