Re: Higher octane??
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Re: Higher octane??



Try running a cooler plug.  I have had luck with J11Y champion or equivalent.   Especially with the alcohol in the fuel.
 
 
 
 
  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 7:10:24 AM
Subject: Higher octane??
 
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.
 
The reason I ask is cuz it just dosen't seem to have the balls I think it should have.  I run 87 octane gas in it.  The highest octane you can get here in Canada is 91, I think.  The reason I've been running this low octane crap is cuz gas is quite steep in price.  $1.16 per liter, that's $4.40 per gallon.  And that's the cheap crap.  I think premium gas is like 10 cents more per litrer. 
 
Having said all that, should I start buying premium gas or just put some octane boost in with every fill?  Or should I do both?  Also, am I hurting my 440 by running a lower octane?  I had a few other questions but I forgot what they were.  DAMN!!
 
Cory 65 Polara w/440


 

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