Back before I changed to twin HIFs, I thought I had
a car that needed higher octane. Turns out the cat was
just leaking causing the ZS to boil and vapor lock.
Max Heim wrote:
> Octane booster should work as a temporary fix. I had to use it for a while
> on my high-compression V8 (other car). I wouldn't recommend it for regular
> use -- the ingredient list is pretty scary. And it isn't cheap (probably
> around $40/gal equivalent, though you only use around 8 oz. per tankful).
>
>
> --
>
> Max Heim
> '66 MGB GHN3L76149
> If you're near Mountain View, CA,
> it's the primer red one with chrome wires
>
>
> on 9/5/05 11:41 AM, Marc at smarc@smarc.net wrote:
>
>
>>I needed to fuel up my 80 mgb, and due to the price, I opted to buy the
>>cheaper regular gas instead of the (now very) expensive hi octane I
>>normally use. The car quickly reminded me why I use hi-test: The engine
>>was pinking and rattling so bad on the short trip home (~ 2 miles) that
>>I was afraid it would self-destruct. Perhaps the fuel is lower grade
>>than usual owing to current conditions here?
>>
>>I retarded the timing in several steps to try and improve the situation,
>>eventually winding up at the end of the timing scale. There was some
>>improvement, but it's still very bad. The other issue with low octane is
>>a running-on condition.
>>
>>So, other then draining the tank to use in my daily driver and refilling
>>with hi-test, any other suggestions? Is octane booster a viable choice,
>>or bogus?
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