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#1
08-21-2019, 09:28 PM
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Original tire sizing G70 or F70?
For some reason I had been thinking that F70-14 was be the correct size on my 68 after measuring an original spare. Getting ready to order a set of tires & was planning on that size. Then I took a closer look at my original spare which I didn't realize is a G70-14.
However when I measure the width, tread width & diameter this G70 matches what Kelsey shows in the sizing chart as a F70. 6.5+ tread width, 8.75" sidewall width & height I am not sure if thats measured at the start of the tread edge on the side wall, or the center of the tire tread where its bulges out & is the absolute tallest? This G70 original is 26" to the edge where the tread starts, but 26-3/4 at its largest diameter (very center of the tread) so close to both specs depending on where you measure. Any idea why that would be? Are G70's the standard GTO tire size? I'm guessing so...... Build sheet says "G70 white wide oval" http://www.kelseytire.com/pages/preformancetires2.html Are the re-pops a little wider, bigger?
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 68 GTO 4-spd Convertible 78 S/E Trans am L78, WS6 Auto 78 S/E Trans am W72, WS6 Auto 79 10th aniv W72 Trans am 80 Indy pace car Trans am 89 Trans am GTA Last edited by 68ragtop; 08-21-2019 at 09:35 PM. |
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