5.0L V8 Technical DiscussionsAny questions about the 'Coyote' engine, transmission, exhaust, tuners/CAI, or gearing can be asked here!
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Based on what I have read here and in auto magazines test drive on 5.0 engine, and based on what I was told at the dealer, premium fuel is recommended for these engines but when I read my 2014 owners manual it has written on page 161 (Octane recommendation) that 87 octane is recommended for these engine except for "sever conditions such as towing"!!
So, what is recommended , what you guys use, for daily driving?!
Sorry but I an a newbie here. I have been trying to read as much as I can. This is the first mustang and to that fact, this is the first Ford!
Sorry about my title typo "aboout"!!. Too much coffee at 4 am!! jumpy fingers while typing!!
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You can use 87 or 93 octane and everything in between.
2011 Mustang GT Automatic 401A Premium
Boss Intake, Circle D 4C converter, American Racing 1 7/8 Longtubes and off road x-pipe, Kooks catback, BMR lowering springs, BMR lower control arms, BMR control arm relocation brackets, BMR adjustable panhard bar, Self Tuned
2003 Mach1 718 rwhp 735 rwtq @ 25 lbs. SOLD
2.3 polished Whipple and every other mod possible
I don't mind the extra cost of the premium ( after all we bought a 5.0 to enjoy it) but if the stock car doesn't need it, why waste the money!
It is just very strange that a manufacturer make the car with certain performance specifications and then recommends a fuel which doesn't support the delivery of that performance. It has not even mentioning anything like "premium fuel is recommend but you can use 87 which may affect the performance of the car", or something like that.
2012 GT Premium, Paxton 2200 sl,Tial 50 mm bov, Tremec Magnum 6 speed manual, 4:10 Gears, Whiteline lca,steeda adj uca,relocation brackets, Sway bars, watts link, Steeda sport springs, Steeda hd strut mounts, Takico D-spec struts and shocks, Tremec shifter GT-500 Axle Backs...SW x pipe, Dynotech d/s, JLT big air Intake, Rev auto 93 dyno tune, Cervinis Cobra r hood.
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