110 Octane at the pump

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cwatts

cwatts

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Running this in the Dart. Only 6.99 a gallon :) Running very sweet on it !!
 

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AJ/FormS said:
^^ I've run 87E10 on 11.2Scr, with slightly delayed but full timing with al. heads. I imagine your Scr must be considerably more.
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I run @ 11.4 with ede alu heads , 94 octane , with 91 it will ping unless I play with the timing , can't imagine running 87 octane . Runs best on a mix of 1 gal118 octane / 3 94 octane .
 
I love the smell of high octane in the morning... It smells like, victory....

[ame]https://youtu.be/vRp7tYWnJJs[/ame]


Back in the day, the BP station down from my work carried the Torco 117 octane racing fuel for $4.00 per gallon (when gas was between $1.00 and $1.30 per gallon).

I would park my Barracuda behind my back yard gate, then when I pulled it out and went back to close the gate, with regular gas, it would die while idling cold before I got back in the car from closing the gate. I noticed when I ran the high octane, the car wouldn't die when I was closing the gate after pulling it out. For some reason it seemed to be less sensitive to the choke with the high octane, even when I mixed a 1/4 tank of that to the 92/93 octane pump gas...

Plus the sweet smell of high octane from the exhaust....
 
I'll ask again what are you guys running for compression??..
 
stroked340 said:
I'll ask again what are you guys running for compression??..
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11.4 , factory called fr premium on the 340 , was 104 or 106 octane back then with ;"10.5" compression ,supposedly I mix with 94 to bring it up to 104 or so
 
jerry6 said:
I run @ 11.4 with ede alu heads , 94 octane , with 91 it will ping unless I play with the timing , can't imagine running 87 octane . Runs best on a mix of 1 gal118 octane / 3 94 octane .
Click to expand...

I would guess that you are a little closer to sealevel there and are benefiting from the denser air.
I bought a dash-mounted dial-back timing computer. It helped me zero in on the perfect timing curves for the various iterations that my little 367 has gone through.But yeah the timing curves(mine has a kink in it at about 2800) were time-consuming to say the least.
But in the end it was worth it for several reasons; 1) the engine is real snappy when it's right, and 2) running 87 for 120,000 miles has saved me a lot of cash, and 3) I get to preach the 87E10 on 10.7 to 11.2 story. On either iteration, I've been running a Dcr of 8.6 to 8.8, or a bit better.
That comes to about 40,000 liters. Let's see, what's the $ difference from 87 to 94 plus some 110. I dunno, but I guess I saved between 3 and 4 Gs by now.
Your results may vary.
 
I ran 11.9 with my Edelbrock headed 416 used 93 pump gas all the time no problem..
 
krazykuda said:
7 gallons is only a half tank.... LOL! :D
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True, but it already had 1/2 a tank. I can mix pump 93 ans 110 to make it happy. But would guess it has more than 50% 110 right now.

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Thanks "C" for fixing my last picture, not sure if this one will be upside down also, if so I'll try and fix tomorrow. I have to go to lap top to correct. Pictures are in the ipad
 
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