[Healeys] tonneau install procedure -- BT-7

[Oudesluys]

It will expand (temperarely) when hot so if you fit it tightly it will 
stretch (permanently) into something that has taken the right shape.
Kees Oudesluijs
NL

Al Fuller wrote:
> If I understand all the comments correctly, a tonneau will constantly
> stretch and shrink depending on the sunshine falling on it.   Please correct
> me if I mis-understand.
>
>  
>
> Given the above, wouldn't it serve a car better to fit/stretch a tonneau on
> a "medium" day, so that it is in the middle of its stretch cycle?