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09-10-2012, 11:02 PM
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melbourne
Posts: 584
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Hey Chris and Theo,
Just have a question about the E85 ethanol fuel, is there any advantages of retuning the boss to take this type of fuel?? i know some of the turbo guys are using this fuel,but just wondering about any gains for the V8? Cheers Andrew
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BA XR6 TURBO - SILVER & 1970 Mustang Coupe
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10-10-2012, 11:27 AM
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Bluepower
 
Join Date: Jul 2008
Posts: 1,266
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Hey Mate,
we have found under 11.5-12:1 compression on an NA V8 to be where E85 starts to be of benefit. Below that compression, its really not worth it, and unfortunatley the 290-302-315 family dont have enough comp. Hope things are well mate Theo
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11-10-2012, 07:55 AM
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melbourne
Posts: 584
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Thanks for the response Theo, well i guess its better suited for boost!
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BA XR6 TURBO - SILVER & 1970 Mustang Coupe
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29-11-2012, 03:05 PM
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Formerly mrxr8boss
Join Date: Oct 2007
Location: Narrabri NSW
Posts: 263
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Hi Theo,
Just a follow up question on the E85 tune. The fg 5.4 315, what is the comp on these? From my understanding from what your saying is that the comp on a 315 is to low for the benifits of E85 and too high for s/charger. Have I got this right or not. Cheers Leroy
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OLD:08 FG GT CR4ZYGT 02 BA XR8 Wrapped 91 F100 5.0l 04 BA XR6 Ute CURRENT: 11 SZ Diesel Territory 16 PXII Wildtrax |
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30-11-2012, 09:45 AM
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Bluepower
Join Date: Jul 2008
Posts: 1,266
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With a N/A engine the air charge is not heated up so the cooling effect from the ethanol is less and this is why we see very little gain if any from E85.
We run E85 in our race car (302 short, BPR Race Spec heads and BPR Custom grind Cams from Crow Cams, 380Kw N/A) all this does for us is gives more consistant KW figures on the dyno, we only drop like 2-3 Kw across 10 runs in a row, where with pump fuel we see more like a 10kw drop across 10 runs..
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E85- Custom Tune
Linear Mode
