87 pump vs 93 premium - Kawasaki ZX-10R.net
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post #1 of 58 Old 09-24-2010, 05:51 PM Thread Starter
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87 pump vs 93 premium

hey guys i was at the track yesterday for TNT and noticed my mph was lower than usual. only thing i change was the gas, went from 87 octane to 93 pump. will a difference in octane cause this ?

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post #2 of 58 Old 09-24-2010, 05:56 PM
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why are you putting 87 in your bike to begin with?

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post #3 of 58 Old 09-24-2010, 06:28 PM
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The short answer is that your making more power on 87. The lower the octane the easier it is to ignite and the faster it will burn. On a stock motor bike there really isn't any benefit to running 93 although many people do (including myself).

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post #4 of 58 Old 09-24-2010, 07:03 PM
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post #5 of 58 Old 09-24-2010, 07:32 PM
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Quote:
Originally Posted by strkd50 View Post
The short answer is that your making more power on 87. The lower the octane the easier it is to ignite and the faster it will burn. On a stock motor bike there really isn't any benefit to running 93 although many people do (including myself).
Not always... 87 has more oxygen then 93 so you will product a higher HP output when running it, but only in the beginning! When racing in high temps the 87 will fail you everythime. Plus you will have engine issues in the future.

Also it sounds as if you need a PC3 and a decent MAP. And why do you think these guys are running race fuel (100 plus octane).

The old Pros and Cons things!

On the Fast Orange One. Marvics Silverstone Gold Mag (lighter than Marshs), Full Akra Ti Hex, 14 Cals, PC3 with a bad ass map, Scotts, Pazzos, hell about 7k in aftermarket parts fast. So now you know I'm Floyd Money Mayweather fast!! Kanye taking the mic from Taylor Swift fast!! haha Just damn fast!!
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post #6 of 58 Old 09-24-2010, 07:45 PM
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Not always... 87 has more oxygen then 93 so you will product a higher HP output when running it, but only in the beginning! When racing in high temps the 87 will fail you everythime. Plus you will have engine issues in the future.

Also it sounds as if you need a PC3 and a decent MAP. And why do you think these guys are running race fuel (100 plus octane).

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Good point, But the guys running 100 on a stock n/a motor are just throwing they're money away.

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post #7 of 58 Old 09-24-2010, 08:03 PM
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Good point, But the guys running 100 on a stock n/a motor are just throwing they're money away.
Yep.. The 100+ guys will have to run the 100+ fuel in order for there bikes to perform well always.

On the Fast Orange One. Marvics Silverstone Gold Mag (lighter than Marshs), Full Akra Ti Hex, 14 Cals, PC3 with a bad ass map, Scotts, Pazzos, hell about 7k in aftermarket parts fast. So now you know I'm Floyd Money Mayweather fast!! Kanye taking the mic from Taylor Swift fast!! haha Just damn fast!!
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post #8 of 58 Old 09-24-2010, 08:11 PM
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I usually run the 93 because the rating is 90+ and I dont want to take any chances. I have seen first hand what pre ignition will do to an engine. My bike runs the best on the 91 grade I get when I am down in Arkansas.

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post #9 of 58 Old 09-24-2010, 08:17 PM
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Originally Posted by cardeea View Post
Not always... 87 has more oxygen then 93 so you will product a higher HP output when running it, but only in the beginning! When racing in high temps the 87 will fail you everythime. Plus you will have engine issues in the future.

Also it sounds as if you need a PC3 and a decent MAP. And why do you think these guys are running race fuel (100 plus octane).

The old Pros and Cons things!
From what he wrote in the Original post, what leads you to think he needs a remap?
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post #10 of 58 Old 09-24-2010, 08:22 PM
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stock engine, run 87...unless you go with like MR9- MR12 or something like that....You will make more power with 87 over 93+....ask any of the engine/bike guys...when RG does dyno and track test for Kawasaki he usually runs 87 right out of the crate..

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