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Sleekcrafter1970

  • Karma: +0/-0
What kind of octane do you use?
« on: September 07, 2013, 12:54:00 PM »
I have a 455 olds. What octane are you using? 87-92?


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carrera202

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Re: What kind of octane do you use?
« Reply #1 on: September 07, 2013, 01:02:12 PM »
I have a 454 I run 91


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j1mmy420

  • Karma: +1/-0
Re: What kind of octane do you use?
« Reply #2 on: September 07, 2013, 01:14:19 PM »
That's a good question
I have a stock sbc 350 been running 89
But also ran good on 87


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jamiemwedmore1234

  • Karma: +10/-0
Re: What kind of octane do you use?
« Reply #3 on: September 07, 2013, 01:31:29 PM »
I'm run 91 anything less it pings


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GottaJet

  • Karma: +1/-0
Re: What kind of octane do you use?
« Reply #4 on: September 07, 2013, 01:40:01 PM »
I'm running 91, I've run 87 no ping but I can definitely feel better performance with the higher  octane.


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Shhhh!!   Can you hear that??
  GJ

SoCalPSD

  • Karma: +4/-0
Re: What kind of octane do you use?
« Reply #5 on: September 07, 2013, 01:45:40 PM »
87 always and never a problem.


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Quote from: GT Jets on May 30, 2012, 05:52:07 PM

In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

mobmentality

  • Karma: +0/-0
Re: What kind of octane do you use?
« Reply #6 on: September 07, 2013, 01:48:43 PM »
102

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carrera202

  • Karma: +9/-0
Re: What kind of octane do you use?
« Reply #7 on: September 07, 2013, 02:17:00 PM »

Quote from: mobmentality on September 07, 2013, 01:48:43 PM
102

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WHAT!!!!! 😯


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mobmentality

  • Karma: +0/-0
Re: What kind of octane do you use?
« Reply #8 on: September 07, 2013, 02:19:07 PM »

Quote from: carrera202 on September 07, 2013, 02:17:00 PM
WHAT!!!!! 😯


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What??????
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Jet Boat Maloney

  • Karma: +9/-0
Re: What kind of octane do you use?
« Reply #9 on: September 07, 2013, 02:39:38 PM »
Av gas


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76 Bonneville

  • Karma: +25/-0
Re: What kind of octane do you use?
« Reply #10 on: September 07, 2013, 03:05:47 PM »
110
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Chad krieger

  • Karma: +7/-0
Re: What kind of octane do you use?
« Reply #11 on: September 07, 2013, 03:50:00 PM »
I have a 455 I'm running 100 octane.


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Sleekcrafter1970

  • Karma: +0/-0
Re: What kind of octane do you use?
« Reply #12 on: September 08, 2013, 12:31:25 AM »
Quote from: Sleekcrafter1970 on September 07, 2013, 12:54:00 PM
I have a 455 olds. What octane are you using? 87-92?


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LOL everyone, i was wondering if any would notice 92...
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Marcsrollin

  • Karma: +33/-0
Re: What kind of octane do you use?
« Reply #13 on: September 08, 2013, 12:31:46 AM »
VP-C12  >:D >:D >:D
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  • Boat #1: 1978 TX-19 Youngblood
  • Boat #2: 1994 24 foot Sundancer Pontoon
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Taco'd "a person or people that show up with one lake lice and a family of 50 and cram 3 people at a time on it with no disregard to boating rules or ethics. Usualy crap in toilets and throw shit paper in trash cans. Hang out at the boat ramp like its a swimming hole. Have zero insurance on anything they own and dont give two shits less about your property."

Sleekcrafter1970

  • Karma: +0/-0
Re: What kind of octane do you use?
« Reply #14 on: September 08, 2013, 12:32:20 AM »
Quote from: Sleekcrafter1970 on September 07, 2013, 12:54:00 PM
I have a 455 olds. What octane are you using? 87-92?


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I used 91 today noticed a big difference.
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Marcsrollin

  • Karma: +33/-0
Re: What kind of octane do you use?
« Reply #15 on: September 08, 2013, 05:19:16 PM »
Quote from: ka0tyk on September 08, 2013, 02:00:58 AM
91 in havasu when its 110* out.  when its cooler ill drop to 87.  i dont have any crazy compression going on so theres no reason to run high octane fuel all the time.


Higher octane fuel will allow you to run a little bit more timing , which can make a pretty big seat of the pants difference.
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  • Boat #1: 1978 TX-19 Youngblood
  • Boat #2: 1994 24 foot Sundancer Pontoon
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Taco'd "a person or people that show up with one lake lice and a family of 50 and cram 3 people at a time on it with no disregard to boating rules or ethics. Usualy crap in toilets and throw shit paper in trash cans. Hang out at the boat ramp like its a swimming hole. Have zero insurance on anything they own and dont give two shits less about your property."

jet fever

  • Karma: +7/-2
Re: What kind of octane do you use?
« Reply #16 on: September 20, 2013, 08:06:36 PM »
Octane Rating All depends on how the compression of your motor will handle it (as its stated a few times on here)

That being said the higher the octane the better the fuel burn the better the mileage (Which in a boat you probly won't notice.

Run 87 if you have the compression to allow it if it pings run the next level up.  I don't know too many people running 87 with a big block anyway a small block I'm sure will have no issue unless its built and has big compression. 

Long story short run what your motor will allow your wallet to pay for
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mobboss

  • Karma: +15/-0
Re: What kind of octane do you use?
« Reply #17 on: September 20, 2013, 08:15:43 PM »
i have a olds 455, not stock, but not a race motor either. i use nothing less than 91! no pinging so id say my motor is happy!
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5150whiteboy

  • Karma: +24/-0
Re: What kind of octane do you use?
« Reply #18 on: September 20, 2013, 08:36:11 PM »

Quote from: carrera202 on September 07, 2013, 01:02:12 PM
I have a 454 I run 91


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X2 on that


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5150WhiteBoy
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