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#31 | ||
FF.Com.Au Hardcore
Join Date: Jun 2006
Posts: 789
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Ok seeing as we're talking combos, I have a fresh 351 w dyno runs only in a brand new built xr, everything is new, tank lines pump and carby, what's best, it made just under 500hp? On united 100? If I run 98 premium will I need to look at my jets sizes and timing? Oh and I have just over 11:1 comp,
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the wife, 2010 territory, 6sp AWD with 20s EL XR8 daily 67 XR fairmont, the toy!! |
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#32 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Pit Lane
Posts: 11,867
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if it has been optimized for the 100 then yes you will have to change things for the 98
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Pit Lane Performance 20 Rosella St Frankston 03 9783 8122 Authorised Streetfighter, Pcmtec , SCT & HP Tuners Tuning Agent,
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#33 | ||
FF.Com.Au Hardcore
Join Date: Apr 2005
Location: Bundaberg
Posts: 604
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I got 8mpg from my Mopar 500 stroker on United 100 octane and i get 12mpg on BP Ultimate or Vortex 98, couldn't notice any difference other than that. I will try the 100 again soon, seeing as i have a larger primary carb and an afr gauge in the car now. I do think the ethanol fuels will work better in a computer controlled injected or turbo car, or if your entire fuel system is built for it and you don't need something that resembles "economy" especially if your nearest drag strips are either 2.5 hours or 5 hours away.
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