Gasoline Switch

Decipha's custom GUFX strategy covers all 89-93 foxbody ecu's including the 88 mass-air california ecus.
chaby
Posts: 2
Joined: 2025 Feb 28, 10:14
Location: San Antonio, Texas
Vehicle Information: 1988 F150 4wd XLT Lariat, EEC IV A9P Moates QH, 408w fully forged, 10.5:1, .565-.574 232/240@ .05 112 LSA, AFR185s, EV6 30 lb FRPP @ 55 psi, Eldelbrock dual plane intake, 4.56 gears, AOD.

Gasoline Switch

Unread post by chaby »

What does the fuel switch (gasoline, E10, E85, etc.) actually do in the GUFX statagy?
decipha
Posts: 6384
Joined: 2021 Feb 15, 12:23
Location: Metairie, LA
Vehicle Information: Work Truck
'25 F-150 5L

Re: Gasoline Switch

Unread post by decipha »

same as it does for any ecu

its a global fuel modifier based on your actual fuel your burning

very important its as accurate as possible especially when dialing in your fuel
chaby
Posts: 2
Joined: 2025 Feb 28, 10:14
Location: San Antonio, Texas
Vehicle Information: 1988 F150 4wd XLT Lariat, EEC IV A9P Moates QH, 408w fully forged, 10.5:1, .565-.574 232/240@ .05 112 LSA, AFR185s, EV6 30 lb FRPP @ 55 psi, Eldelbrock dual plane intake, 4.56 gears, AOD.

Re: Gasoline Switch

Unread post by chaby »

It effects open loop & closed loop?
decipha
Posts: 6384
Joined: 2021 Feb 15, 12:23
Location: Metairie, LA
Vehicle Information: Work Truck
'25 F-150 5L

Re: Gasoline Switch

Unread post by decipha »

yes, its a global fuel modifier
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