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| Let's get Technical! Discussion for hardcore in-depth motor heads! |
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#1
03-31-2005, 04:33 PM
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91 octane map, switch to 116 map
friend is getting a auxiallry gas tank, and a switch, and another ecu with a 116 octane base map, while their normal fuel will be 91. when he wants he can flip a switch. what have you guys heard about this?
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#2
03-31-2005, 05:20 PM
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Re: 91 octane map, switch to 116 map
What kind of upgrades does he have? If he's got a really nasty set up then I guess it makes sense, but I don't think the higher octane really makes that much of a difference unless the car has an agressive set up (N/A or turbo).
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#3
03-31-2005, 07:41 PM
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Re: 91 octane map, switch to 116 map
12 psi, turbo
340 hp ls 90 civic hatch
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#4
03-31-2005, 07:57 PM
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Re: 91 octane map, switch to 116 map
hmm, I guess it makes sense then. It certainly isn't going to do any bad. How much is it gonna cost to do the whole thing?
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#5
03-31-2005, 08:14 PM
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Re: 91 octane map, switch to 116 map
you need to switch ecus everytime you switch fuel. also at 340whp he doesnt need 116, 91 can go till 400whp. also yeah it sounds like a good idea but what about the return line? is he gonna run a way to switch return lines to the aux tank ? if not then the 116 is going back to the stock tank and is gonna mix with his 91.
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#6
03-31-2005, 08:37 PM
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Re: 91 octane map, switch to 116 map
yeah, the local import shop is gonna wire it all up for him and im sure thay will do something like that
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#7
03-31-2005, 09:57 PM
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Re: 91 octane map, switch to 116 map
why use a different gas tank with a base map on 116? how about filling the tank up with 100+ and switching to a tuned map.................or am i just getting old?
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#8
03-31-2005, 10:16 PM
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Re: Re: 91 octane map, switch to 116 map
Quote:
 Everyone just goes ultra-conservative with tuning, which is why most people stop at 400-ish. A seperate tank is too many headaches to deal with. He will make more power than street tires can take on pump gas, why slap a second tank in there? If he REALLY wants to make more power on pump gas run a methanol kit instead of dicking with a second gas tank.
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