race fuel

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16 Sep 2013 10:17 #606657 by z19OO
race fuel was created by z19OO
What do you guys with high compression motors use for fuel? Leaded? Unleaded? Octane rating?
1975 z1 900
1979 kz650b

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  • 4TheKZ1000
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16 Sep 2013 11:31 - 16 Sep 2013 11:31 #606664 by 4TheKZ1000
Replied by 4TheKZ1000 on topic race fuel
I'm at 10.5 to 1

93 unleaded octane from speedway...... ;)

nothing special here.
Last edit: 16 Sep 2013 11:31 by 4TheKZ1000.

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17 Sep 2013 08:32 #606765 by Powerstroke_fan
Replied by Powerstroke_fan on topic race fuel
Iam running 9 to 1 and i run 93 sometimes. I try to mix 110 with 93 half and half. But here lately ive been running straight 110.
1980 kz1000B4 LTD- 1327cc 9-1 comp
Ported J model head
Psp-3x cams
RS 36s
Welded MK11 crank
Back-cut MK11 trans
MTC 2 stage lock up
Stretched 4-6 over running Hayabusa rear rim with 190 rear tire
Complete frame brace kit installed
And Much Much more- SOLD

2014- ZX14R all stock for now

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17 Sep 2013 09:02 #606769 by byars
Replied by byars on topic race fuel
With my street (gpz) bike which is 10.5:1 I can only get 91 in my area. So I put a pint of Sunoco 112 blue supreme in every full tank.
Z1 Car tire conversion dragbike (SAM WILLS)
81 Gpz (84 1170 motor)

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17 Sep 2013 09:55 #606771 by z19OO
Replied by z19OO on topic race fuel
I guess I should be more clear. Back in the day I would try getting Sunoco 94 and my 1105 10.5:1 wouldn't ping. If I used 93 it would ping sometimes.

What would be safe to use for a 13.5:1 motor? Can leaded fuel be used or should unleaded fuel only be used??
1975 z1 900
1979 kz650b

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17 Sep 2013 10:19 #606776 by StreetfighterKz
Replied by StreetfighterKz on topic race fuel
www.vpracingfuels.com/motorcycle-drag-racing.html

C12 is what I plan on running in my 900 when I finally get it built and running.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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17 Sep 2013 10:38 #606780 by crock62
Replied by crock62 on topic race fuel
I'm 10.5.1 and run av fuel which is 100 oct. but I add 1/2 gal of reg gas to it I also run c12 when I can get it under $14 a gal. The av fuel is $5 a gal..

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  • slayer61
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17 Sep 2013 11:39 #606784 by slayer61
Replied by slayer61 on topic race fuel
VP110 leaded. It also is very stable over the off season and doesn't break down like pump swill does.
Don't be ridiculous! It's only a flesh wound!

[strike]Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit[/strike]
Wife's BIG bike......[strike] 1981 GPZ 1100 Kerker and [strike]factory FI[/strike] Mikuni RS34s W/ K&N pods[/strike] SOLD

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17 Sep 2013 15:50 #606807 by byars
Replied by byars on topic race fuel
Oh sorry!!!! I run the 112 in my dragbike 1200 13.5:1. Sunoco 112 blue supreme, it has gone up this year, 8-9 dollars a gallon.
Z1 Car tire conversion dragbike (SAM WILLS)
81 Gpz (84 1170 motor)
The following user(s) said Thank You: z19OO

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  • 4TheKZ1000
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17 Sep 2013 15:56 - 17 Sep 2013 15:59 #606808 by 4TheKZ1000
Replied by 4TheKZ1000 on topic race fuel
They sell "Turbo Blue" at a racetrack close to me....they have their own pump at $7.99 per gallon..... :sick:


The octane is 112..... ;)


You can really tell the diff in throttle response and the bike pepped up, but for the money.....I will stay with 93 at $3.22 per gallon as of today.
Last edit: 17 Sep 2013 15:59 by 4TheKZ1000.

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  • slayer61
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17 Sep 2013 16:06 #606812 by slayer61
Replied by slayer61 on topic race fuel

4TheKZ1000 wrote: but for the money.....I will stay with 93 at $3.22 per gallon as of today.


That's F'ing cheap! :woohoo: I paid 3.95 a gallon yesterday for the low grade dead dinosaurs! :angry:
Don't be ridiculous! It's only a flesh wound!

[strike]Wife's little bike... 1984 GPZ 550 Kerker and DynaJet stage I kit[/strike]
Wife's BIG bike......[strike] 1981 GPZ 1100 Kerker and [strike]factory FI[/strike] Mikuni RS34s W/ K&N pods[/strike] SOLD

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  • 4TheKZ1000
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17 Sep 2013 16:08 #606813 by 4TheKZ1000
Replied by 4TheKZ1000 on topic race fuel
:pinch:

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