Mid Grade gas vs High Octane gas - better performance??

[jlagnese at massed.net (John S. Lagnese)]

Higher octane is less prone to ignite.
----- Original Message ----- 
From: <julie@menloparkrandd.com>
To: "Peter" <peter@thescirocco.com>; "Don Walter" <dswalterwi@gmail.com>; 
"Scirocco List" <scirocco-l@scirocco.org>
Sent: Tuesday, March 13, 2007 8:20 PM
Subject: Re: Mid Grade gas vs High Octane gas - better performance??


> The higher the octane, the more retardant is added to stop pinging. It is 
> the same gas basically.
> I agree with Peter, timing or possibly the upper cam off by one tooth.
>
>>-----Original Message-----
>>From: Peter [mailto:peter@thescirocco.com]
>>Sent: Tuesday, March 13, 2007 08:47 PM
>>To: 'Don Walter', 'Scirocco List'
>>Subject: Re: Mid Grade gas vs High Octane gas - better performance??
>>
>>Sounds like the timing is way off, as in retarded.
>>
>>Peter
>>
>>----- Original Message ----- 
>>From: "Don Walter" <dswalterwi@gmail.com>
>>To: "Scirocco List" <scirocco-l@scirocco.org>
>>Sent: Tuesday, March 13, 2007 3:53 PM
>>Subject: Mid Grade gas vs High Octane gas - better performance??
>>
>>
>>> My son's 1.8L 16V swapped engine was running pretty good but he felt 
>>> that
>>> it
>>> was lacking power a bit in the mid to higher RPM's Initially we thought
>>> it
>>> might be either running too rich or too lean. I haven't had a chance to
>>> put
>>> a meter on it to find out. Today he filled it with Mid grade (89 octane)
>>> gas and claims that it pulls strong all the way through the RPM range.
>>> Does
>>> that sound right? Does that support that it may have been too rich to
>>> begin
>>> with and the more volatile fuel is burning better? I don't want this to
>>> turn in to a science project discussion either so let's keep it at the 
>>> 5th
>>> grade level.
>>>
>>> -- 
>>> Don Walter - Waukesha, WI
>>> 1986 8V Black Scirocco (Daily Driver)
>>> 1984 8V Audi 4000s (RIP 2/14/2006)
>>> 1986 2.0L 16V TEC 2 Black Scirocco (see progress at
>>> http://www.cardomain.com/memberpage/708939)
>>> 1986 2L 16V Toronado Red Scirocco (Ben's Car)
>>> 1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
>>> 1984 1.8 8V Pewter Scirocco (sold years ago)
>>> 1971 Karman Ghia (sold)
>>> 1969 Karman Ghia (sold)
>>> 1969 Beetle (sold)
>>> _______________________________________________
>>> Scirocco-l mailing list
>>> Scirocco-l@scirocco.org
>>> http://neubayern.net/mailman/listinfo/scirocco-l
>>>
>>
>>
>>
>>
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