Results 1 to 10 of 19
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07-03-2018, 12:51 PM #1
What octane fuel is everyone running?
Is everyone running 89 octane or higher? Marinas in my area do not have anything higher than 87.
Sent from my SM-G955U using Tapatalk2017 Moomba Mondo
1120 rear lockers
500 center hard tank
750 ibs
2-650s in the floor
Acme 2079 prop
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07-03-2018, 12:59 PM #2
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07-03-2018, 01:07 PM #3
Ya I seen that in the manual. My dealership said 87 was acceptable as long as it was ethanol free. I'm not sure what to think about that.
Sent from my SM-G955U using Tapatalk2017 Moomba Mondo
1120 rear lockers
500 center hard tank
750 ibs
2-650s in the floor
Acme 2079 prop
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07-03-2018, 01:28 PM #4My dealership said 87 was acceptable as long as it was ethanol free.
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07-03-2018, 01:42 PM #5
Yep, ethanol is like octane. That’s why all the drag racers are moving to E85 tunes.
Technically 87 with E would be more acceptable than 89.Overkill is underrated
2006 Supra 24SSV Gravity Games- traded but never forgotten
2017 Supra SA 400
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07-03-2018, 02:04 PM #6
Ran my boat for 18 years on 87 octane E10 and no problems. At 5gph, nothing but the cheapest gas.
1998 Mobius
310 HP PCM
SOLD
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07-03-2018, 02:05 PM #7
I run into the same problem in my area...my home base lake is 87 octane only. We go to Broken Bow in Oklahoma 5-6 times per year they have 87 octane only. I usually have to put the boat on the trailer and take it to the gas station to get 93. The last time I filled up with 93 and ran in it down to half tank and then topped off the tank with 1/2 tank of marina gas which was 87. Hopefully the 87 1/2 tank + the 93 1/2 tank = 90 octane The boat ran fine surfing for the last 2 days and has every since then, but I have only put 87 in it that one time.
Not an issue with PCM...just saying.2018 Supra SL550 with 850lbs of lead wake
2017 Supra SA400 (Sold)
2016 Moomba Mojo Surf Edition (Sold)
2017 Ford F250 Super Duty (Sold)
2019 Ford F250 Super Duty (Sold)
2021 GMC Denali 2500
Soulcraft Vodoo
Soulcraft Jordi Pro
Soulcraft Super AV
Phase Five Matrix
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07-03-2018, 02:09 PM #8
I don't mind paying for the better fuel, just do not have access to it without taking the boat out of the slip.
Sent from my SM-G955U using Tapatalk2017 Moomba Mondo
1120 rear lockers
500 center hard tank
750 ibs
2-650s in the floor
Acme 2079 prop
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07-03-2018, 02:09 PM #9
loaded question. My first boat had the Volvo V6 and Out drive, said 87 in the manual. Ran 87 once and boat would diesel every time I turned it off. Ran 91 or better and it was fine. Have ran 91 or better ever since.
I am currently having an issue with my 13 SA with the LS3 motor, gas breaks down over time. I'm getting a bunch of mis-fire codes which all could be related to lower octane gas due to it breaking down.2017 Centurion Ri237
2013 Supra SA450 - Sold
2006 Mobius LSV - Sold
2004 Stingray 190LS - Sold
2016 Nissan Titan XD - Tow Rig
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07-03-2018, 02:42 PM #10
E10 89 from the gas station. 5 gallon cans to fill on the lift. Most all newer high compression engines are going to the cooler burning octanes.
2018 Supra SA400 aka The Ron Burgandy
2011 Sea-Doo Wake 155
2015 Mojo Surf, sold...2013 Axis A22 Recon Edition, sold...2010 Axis A22, sold...2007 Maxum 1800sr3, sold