Herb
1956 Plymouth Belvedere 361 4-Sale
1959 Coronet 326 Poly
1961 Belvedere Custom Suburban Wagon 318 Poly
1961 Dodge Dart Pioneer Wagon 318 Poly
1963 Fury 2D/HT 6.1L
1963 Sport Fury Convertible 361
1970 Chrysler 300 Hurst 440
1979 Dodge Aspen R/T Sport Wagon 360
1999 Durango SLT 5.9L
2008 SRT-8 Magnum 6.1L
St. Louis, MO.
-------Original Message-------
Date: 11/20/2011 10:25:05 AM
Subject: Re: Higher octane??
In my manual my 383 needs high octane. I still don't understand why I have so much pinging when I punch the accelerator. I've tried timing, I made sure my advance was working by watching timing with advance hooked up I run the high octane idk what else to do! Lol
Sent from my iPhone
> Any pinging or spark knock?
>
> From a BP document: Increased octane does not increase power.
>
> Higher compression and improved engine breathing will increase power.
> These modifications may lead to detonation or combustion knock which is
> then eliminated by using fuel with a higher octane.
>
> Thanks,
> Gary H.
>
>
>> -------Original Message-------
>>
>> Now I think know the answer to this question, but I'm gonna ask it any
>> way. Should I be running higher octane gas in my 440? It's a 1970 engine
>> with a bit of a cam, new rings, and stock heads with high rise exhaust
>> manifiolds. It's in my 65 Polara. ...
>
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Please address private mail -- mail of interest to only one person -- directly to that person. That is, send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks!
1962 to 1965 Mopar Clubhouse Discussion Guidelines:
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