*"I thought 185R14 has an aspect ratio of 82 but he maintains that it is
80! Who is right?"*

may be it's right... according to this link...

https://tiresize.com/tiresizes/185R14.htm

On Tue, Nov 19, 2019 at 9:45 AM Dennis Haynes <d23haynes57@hotmail.com>
wrote:

> The difference between the 2 is minimal. There are tires that are
> 185/80-14 and they can either be P-Metric or LT. The LT185R14 is usually an
> 82 ratio tire.
>
> Here is the tire replacement manual. Should tell you most everything you
> need to know about sizes, inflation pressures and load ratings.
>
> Anyone else that wants this just ask and I'll p-mail it.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of Karl
> Ploessl
> Sent: Monday, November 18, 2019 9:32 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: 185R14
>
> I have a disagreement on someone on facebook. I thought 185R14 has an
> aspect ratio of 82 but he maintains that it is 80! Who is right?! Any
> source material?
>
> Karl.
>