On Fri, 20 Jun 2008 08:17:32 -0700, Built_Well wrote:

> Hachiroku wrote:
>>
>> ~15-20 years ago I was using Mobil in the GTS, and it developed
>> pre-ignition. I ran two tanks of Techron and switched to Chevron and
>> Amoco (when we still had them here) and the problem stopped.
> ========
>
> Now that I can believe :-)

Dude, like I said, I keep a little black book in every car, with oil
changes, repairs, maintenance, and fill ups.

If I change something I can see the effects, if any of the change.

For some reason, it doesn't work with the Supra...