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08-08-2019, 10:16 AM | #1 |
Shitin 'n Gitin
Join Date: Mar 2007
Location: Pasadena, MD
Posts: 1,416
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Swapping from 93 to 116 Octane - best way to get all the old 93 out
Hey guys! Haven't been on in a while - the mach is still running great. I have a question because I just got a tune for some Fuse 116, but I was curious what the best, easiest, and cleanest way was, to get all the 93 out of the tank so i can put some race gas in.
I read you cannot siphon because of a 1-way valve in the filler neck. The next option is disconnecting the fuel line at the rail and bumping the key, but the fuel pump will stop after a second or two, correct? That would take an hour! I am just below 1/4 tank, so there isn't that much fuel in there. Any advice?
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2003 AB Mach -- 442/435 @ the rear ALL MOTOR -Race Gas FRPP BOSS 5.0 block, 10.6:1 compression, Manley H-Beams; Diamond flat-top pistons, P&P heads W/ 5-angle valve job & ARP Head studs, PP upper/lower intake, Comp Stage 2 N/A cams, FR500 springs, valves, and followers, Tube K with coilovers and Bilsteins, Kooks, Stingers, 2.97 T-56 Magnum, 31 Spline Superior axles & Auburn-pro dif, built battle boxes, KB BAP w/ 39lb injectors, and 4:10's. |
08-08-2019, 01:33 PM | #2 |
Registered User
Join Date: Dec 2007
Location: ?,Colorado
Posts: 204
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
I've used a product called the gas tapper and works pretty well.
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2003 Torch Red Ford Mustang Mach 1 Owner. A couple upgrades completed & many more waiting! |
08-08-2019, 08:52 PM | #3 |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
you can also get a tune that keeps the pump running with the key forward to pump it out of a fuel line
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
08-24-2019, 08:25 AM | #4 |
Registered User
Join Date: Jul 2004
Location: Raleigh , NC
Posts: 2,093
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
How? I don't think you can shove a hose down into the tank. There's that one way valve / screen in the way.
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2004 Torch Red Procharged Mach 1 |
08-24-2019, 11:20 AM | #5 |
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Join Date: Dec 2007
Location: ?,Colorado
Posts: 204
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
The product has a more firm tube you insert first which keeps the valve open. Then you insert the smaller more flexible hose down into the fuel level.
All sorts of videos are out there showing how it's used on modern vehicles that have an anti syphon/rollover valve
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2003 Torch Red Ford Mustang Mach 1 Owner. A couple upgrades completed & many more waiting! Last edited by logan03co; 08-24-2019 at 11:57 AM. |
08-25-2019, 08:31 AM | #6 | |
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Join Date: Jul 2004
Location: Raleigh , NC
Posts: 2,093
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
Quote:
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2004 Torch Red Procharged Mach 1 |
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08-25-2019, 03:43 PM | #7 |
Registered User
Join Date: Dec 2007
Location: ?,Colorado
Posts: 204
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
It's pretty slick. i first used it to drain my stock tank prior to installing an upgraded tank from Glenn's performance.
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2003 Torch Red Ford Mustang Mach 1 Owner. A couple upgrades completed & many more waiting! |
08-25-2019, 05:00 PM | #8 | |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
Quote:
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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08-25-2019, 05:03 PM | #9 |
Registered User
Join Date: Jul 2004
Location: Raleigh , NC
Posts: 2,093
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Re: Swapping from 93 to 116 Octane - best way to get all the old 93 out
Sweet! It's on my Amazon list for when I'm looking to buy myself something for the garage!
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2004 Torch Red Procharged Mach 1 |
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