I thought it was 68 but anyway, TIV were after that, so it should be
fine. I use unleaded in mine without aditives.
I havent heared anything 'good' about aditives, but if you do decide to
use one, stick to ONE brand. Dont mix/swap from one to another.

Rich


P.J. Berg wrote:

> Bill Payer wrote:
>
>> ......can I use straight unleaded fuel in the twin carb type 4 1800
>> Bus or do I need to use an aditive?
>> Also, I've been told that the 1800 block is one of the strongest and
>> the one which is used in VW racing, is this true?
>>
>> Thanks, Ash.
>>
>
> Unleaded is fine with any VW aircooled engine manufactured after -66 or
> -67, I forget what's right..
>
> J.