Found the max temperature.  It seems to be

Range of -140° to 392°F

According to Grainger's site, I think I'm going to try to get some
https://www.grainger.com/product/VERSIMOLD-1-3-lb-Silicone-Rubber-Compound-32XV21
<https://www.grainger.com/product/VERSIMOLD-1-3-lb-Silicone-Rubber-Compound-32XV21>

On Wed, Mar 28, 2018 at 8:14 AM, S DaRoota <sdaroota@gmail.com> wrote:

> Interesting application.  Not sure how it would stand up to some of the
> temps of the engine.
>
> I have a 82, I have almost all new rubber, except 3 seals for the
> following:  The 2 around the alternator tubing to the exchangers (pn: 070
> 119 585), and the oil filler tin seal (pn:  070 119 953 B or C)
>
> https://volkswagen.7zap.com/en/rdw/typ+2+syncro/t2/1982-4/1/119-16000/
> <https://volkswagen.7zap.com/en/rdw/typ+2+syncro/t2/1982-4/1/119-16000/>
>
> I cant find a max operating temperature on their site for Versimold but
> I'm sure the top of the engine gets to about 210F easily from heat transfer
> from the case of the engine alone.
>
> Steve D
> www.facebook.com/groups/aircooledvanagon
>
>
> On Tue, Mar 27, 2018 at 2:18 PM, Christophe Guilbert <
> cguilbert@picasso.ucsf.edu> wrote:
>
>> Hi ,
>>
>> I have a 2l air-cooled and would like to optimized the thermal isolation
>> of the my engine from the exhaust heat. Many of the seals doing so does
>> not exist anymore so I look online how I could build them and find a
>> molded rubber I can shape in any seal type. See link bellow ,
>>
>> https://www.youtube.com/watch?v=FltbX_rUc6Y
>>
>> Do you guys have any experience with them.
>>
>> Thanks
>>
>> CHris, vanagon air-cooled 1983
>>
>
>