If I wasn't confused enough my durometer and me

L98Terror

L98Terror

Club Member
So I picked up this nifty Durometer today and I'm not sure what all these numbers mean but this is what I found.


100 Steel Hammer
96 Cooler lid
71 My F-150 Tires with 65k miles
66 My shaved 2003 RA1s with unknown heat cycles
65 My old NITTO Drag Radials
65 Set of R6s with unknown heat cycles (tires I'll race on this weekend)
65 My couple week old NT05s
62 Wife's Pirelli P6s
58 A6s about 6 heat cycles
56 4 year old MT Drag Radials (daily driven on my C4)
43 Bottom of my shoes
29 my thumb


Now I looked acrossed the rear of my A6 and found
Inside 55 Middle 60 Outside 63 what does that mean?
 
L98Terror said:
So I picked up this nifty Durometer today and I'm not sure what all these numbers mean but this is what I found.


100 Steel Hammer
96 Cooler lid
71 My F-150 Tires with 65k miles
66 My shaved 2003 RA1s with unknown heat cycles
65 My old NITTO Drag Radials
65 Set of R6s with unknown heat cycles (tires I'll race on this weekend)
65 My couple week old NT05s
62 Wife's Pirelli P6s
58 A6s about 6 heat cycles
56 4 year old MT Drag Radials (daily driven on my C4)
43 Bottom of my shoes
29 my thumb


Now I looked acrossed the rear of my A6 and found
Inside 55 Middle 60 Outside 63 what does that mean?
Click to expand...

I'll take a stab.
Durometer is a measure of hardness. The difference in measurements from the inside to the outside of the tire "MAY BE" related to the amount of heat
generated and subsequent vulcanizing of those areas.:gr_confus
 
yes, durometers are cool. used too use them all the time for bodymounts, swaybar mounts and such
the inside is probably harder due to heat.
whats the rear chamber spec on that car -1-1.5 or so?
pretty high for a street car
 
I was racking my brain reading the first post. I had no idea what a durometer was. I was looking at the numbers, then reading what the numbers came from trying to figure out why a hammer would have 100 of something, and a cooler lid would have 96. I was stumped for a while until I read the second post. I should have just googled it.
 
And on the street tire that was different all the way across, could the compound be different in each area? I would expect something like that if taking measurements on like a Goodyear Assurance Triple Tread. Could be other tires that do crazy shit like that too.
 
1BADAIR said:
yes, durometers are cool. used too use them all the time for bodymounts, swaybar mounts and such
the inside is probably harder due to heat.
whats the rear chamber spec on that car -1-1.5 or so?
pretty high for a street car
Click to expand...

4 cam tbird said:
And on the street tire that was different all the way across, could the compound be different in each area? I would expect something like that if taking measurements on like a Goodyear Assurance Triple Tread. Could be other tires that do crazy shit like that too.
Click to expand...

Street car:spank:

The A6s are the Hoosier race slicks off Rita
 
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