Calculate exact gallons of E85 vs 91/93 pump gas to reach your target blend
E
Pump Recipe
7.0 gal
Pump E85 First
6.0 gal
Top Off with 91/93
Estimated Octane: ~96.5 AKI (R+M)/2
Tested E85 Gear & Ethanol Test Kits
Recommended flex-fuel equipment — test pump ethanol content accurately before fueling
$
Affiliate Commission Channel: Every time a flex-fuel driver clicks and orders an ethanol tester, sensor, or pump upgrade, you earn an automated 8% to 12% commission via Amazon Associates, Summit Racing, or eBay Motors.
Essential Driver Tool$18.95
Rev-X E85 Ethanol Tester Bottle
Direct water-separation graduated glass bottle. Reveals exact ethanol percentage in under 2 minutes at the pump.
Earns ~$2.10 / sale
Digital In-Car Readout$199.00
Fuel-It! Bluetooth Flex Fuel Analyzer
Continental in-line sensor reads live ethanol content and fuel temperature straight to your smartphone app.
Earns ~$18.00 / sale
Fuel System Upgrade$129.50
AEM 340LPH High-Flow E85 Fuel Pump
E85-compatible internal mechanisms rated up to 1,000 HP for turbo and supercharged flex-fuel tunes.
Earns ~$12.50 / sale
Maintenance$14.99
Lucas Safeguard Ethanol Conditioner
Prevents fuel phase separation and protects injectors from ethanol moisture corrosion during winter.
Local performance and dyno shops pay $29 to $59/month to be featured at the top of their metro area. Flex-fuel drivers seeking E85 stations are their prime target customers.
Apex Speed & Dyno
Sponsored Partner
Novato, CA • 1.2 mi away • Dynojet AWD In-Ground
BMW M / B58GM LT4 / C7Ford Coyote E85
$50 Off with FindE85Gas
BayArea FlexTuning
Sponsored Partner
San Rafael, CA • 8.4 mi away • Mustang Dyno
Subaru WRX/STIVW/Audi EA888Cobb Certified
Free E85 base map consult
Trackside Performance Lab
Sponsored Partner
Petaluma, CA • 12.1 mi away • Hub Dyno (Dynapack)
Standalones (Haltech/MoTeC)Time Attack Prep
Trackday race gas maps
FindE85Gas PRODriver Membership
Unlock Pro Flex-Fuel Highway Tools
Long-Distance E85 Highway Route Planner:
Map long road trips with automated safe E85 fueling stops within your car's flex-fuel range.
Low Ethanol Blend SMS Alerts:
Get notified if your frequent stations drop below 80% blend during seasonal winter mix shifts.
Tank Out-of-Stock Push Warnings:
Never arrive at an empty pump — real-time alerts when pumps go down or tankers run dry.
Gold Verified Community Badge:
Highlight your reports and fuel test submissions with verified tuner status.
Cancel anytime. 100% money-back guarantee.
Sponsor FindE85Gas & Feature Your Shop
Reach thousands of active E85 tuned drivers in your metro area
E85
Install FindE85Gas App
1-tap home screen access on iPhone & Android
Fast 1-Tap InstallationNo App Store Needed
Install FindE85Gas directly to your phone. Launches in full-screen standalone mode without any browser URL bars.
Instructions for iPhone (Safari)
Open finde85gas.com in Safari.
Tap the Share icon at the bottom (box with arrow pointing up).
Scroll down and tap "Add to Home Screen" (+).
Tap "Add" in the top right corner.
Takes up less than 1 MB of storage. Fast GPS tracking and offline map support.