you're right about being easiler on the rubber ..
on the surface of the hose.
I use german ones with curled up edges that don't dig into the hose.
And the 'real' fuel injection band clamps sure have that feature.

  and Iimagine a vanagon can run for years with sharp-edged hoseclamps
cutting into the surface layer of the fuel injection hose and no fires
or leaks.
   I suppose that's good enough for some people .
Apparently it was for the guy who did that work.
  Some people's workmanship standards are not very high.
Isee it all the time.  I see it 'bad' all the time.

On 1/12/2013 1:26 PM, Jim Felder wrote:
> I don't know. I think German clamps are part of the German car culture,
> mostly, and American clamps likewise. I don't think anyone has ever
> reported an engine fire based on the kind of hose clamps they use, but
> rather the condition of the rubber.
>
> That said, I use the German ones because they seem theoretically easier on
> the rubber under them. I have no proof of that.
>
> Jim
>
> On Sat, Jan 12, 2013 at 3:02 PM, Scott Daniel - Turbovans <
> scottdaniel@turbovans.com> wrote:
>
>> it's not the best.
>> figuring you mean the common # 4 small american style hose clamp.
>>
>>