^^^^

J

jimsplace

Active member
I run E85 now, before it was 100LL AV gas.  Motor is blown 540 BBC in a flatbottom.  I am convinced that E85 was made for blown motors or high compression motors.  It has positive and negative aspects, but mostly positive.  It can be a little expensive to convert from gas, but if I was starting from scratch, it would be E85.

It all depends on what you are running for a motor.  Using high octane in a motor designed to run on low octane will reduce your power. 
 
E

EOSpeed

Member
MY 522 LIKES 87. THE 555 LIKES 93 WITH A BOTTLE OF OCTANE. THE 468 TURBO IS ON 100 LL OR E-85. 522 IS 8.8. 555 IS 10.9. 468 IS 7.6 AND 15 PSI. IT IS ALL CYLINDER PRESER.
 
John

John

New member
J C Gordon said:
HCR Plus 114 when I can afford it and plan on using the bottle. Whats the 100LL yall talking about?
Click to expand...

100 octane low lead, - thats the same a Av Gas right?
 
Crusader

Crusader

Moderator
John said:
J C Gordon said:
HCR Plus 114 when I can afford it and plan on using the bottle. Whats the 100LL yall talking about?
Click to expand...

100 octane low lead, - thats the same a Av Gas right?
Click to expand...

Yes, it's aviation fuel for pistion aircraft motor and should not to be confused with Jet A which is jet fuel.
 
73 Sanger Flat

73 Sanger Flat

Active member
E-85 or good race fuel like VP 114

Jim is correct , the higher the octaine , the harder it is to burn . If your engine does not have the compression for the higher octaine , then it will not make the power it should ..
 
S

scarabscs

New member
Damn boys, you guys are nuts!  I couldnt imagine filling up with 100 or 110!  Im running 89, but my motor is stock!
 
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