Topic: Tire width


ole_Bill    -- 07-21-2011 @ 5:41 AM
  I was down at Coker's the other day checking out a new set of tires for my '36. Current tires are 6.00x16 bias and I wanted to go to a 6.50x16 to get a wider tire and more ground contact surface. I was surprised to learn there is almost no difference between the tread width of a 6.50 vs 6.00. I expected the difference to be 1/2" between the two. Not wanting my vast ignorance to be on display to the attractive young female who was assisting me, I didm't ask for an explanation. But, dumb questions on this forum always get sincere and helpful answers so here goes, why isn't a 6.50 tire 1/2" wider than a 6.00?


51f1    -- 07-21-2011 @ 6:20 AM
  According to Coker's web site:

6.00-16 6.50-16

Diameter 27.91" 29.38"
Section width 6.26" 7.53"
Tread width 4.63" 5.00"

Maybe you were distracted by the attractive young female.


Richard

This message was edited by 51f1 on 7-21-11 @ 6:22 AM


TomO    -- 07-21-2011 @ 6:59 AM
  As you can see by Richard's post the 6.50 tire is about .5 " taller than the 6.00 x16. This will change the look of your car quite a bit.

The extra width does not make much difference in traction or ride, but the extra height will affect your speedometer accuracy and have a slight effect on pickup.

Tom


37RAGTOPMAN    -- 07-21-2011 @ 11:13 AM
  OLE-BILL
If your thinking about wider tires, you might consider making sure they will clear when making turns,
not hitting anything,
Changing anything,can cause problems
I use the 600-16 with no problems, in dry or wet, and they are bias WW,FIRESTONES,
work well for me,,,and have that old time LOOK,,,
37RAGTOPMAN and KEEP on FORDIN


35ragtop    -- 07-21-2011 @ 1:39 PM
  Hi Ole Bill
I have 650 x 16 Firestones on my 35 and no problem with turning circle. Other local members with 35 s use the same and havent heard any complaints
Dave h


shogun1940    -- 07-21-2011 @ 7:19 PM
  back in the day we doubled the 6.50 and added the rim diameter, there was no relation to width. Then we had the letter series affair . Now we have new setup. p235 70/r15 means we have a tread width of 235mm and the height of the sidewall is 70% of 235 or163mm,, ps its getting hard to buy 14" tires, at least top of the line


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