Re: [Chrysler300] Higher Octane fuel

[dan300f@xxxxxxx]

Hi all:

Out here on the left coast, the highest octane "pump" gas available is 91.  
In 1996 when I first restored my 300F the available octane was 92.  But with 
all the meddling by the environmentalists, etc., it is now down to 91 and I 
believe the gas is far inferior than even back that near in the past.

In 1996, John Characky rebuilt my engine and we put late model 440 heads (452 
unleaded) on it.  With those, I set the timing at 12 degrees BTDC.  As the 
years passed by, I gradually had to back off on my timing and as recently as 
last October, I set the timing at 5 degrees BTDC.  Well, I had purchased a spare 
distributor at Spring Fling and decided to install a Pertronix unit AND, have 
the distributor recurved.  I told the technician, who has a well known speed 
shop here in the San Fernando Valley,  that I wanted a  lot of zip off the line 
but no pinging using 91 octane gas.  He said he could do it.

When I got the distributor back, the initial vacuum was 7 degrees, mechanical 
advance of 10 degrees and he advised me to set the timing at 14 - 16 degrees 
BTDC.  I set the timing at 15 degrees giving me a total of 35 degrees of 
advance and took the car for a test drive.  

I punched it from a dead stop and I have never experienced anything quite 
like the acceleration the F now has.  It literally jolted me back in the seat.  
It burned rubber and took off like a jack rabbit.  I tested it on some steep 
hills and I could not get it to ping.  The tech had told me that I would 
experience this kind of acceleration but what he did to the distributor would have no 
effect on road or higher speeds.

The reason for me relating this is that perhaps those of you who are looking 
for higher octane gas need look no further than a good distributor technician. 
 I am well satisfied.

Happy New Year everyone!!!!!!!  See you in either Mesa, AZ or Lake Tahoe next 
year.

Dan Reitz
Northridge, CA


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