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Obviously we know about the benefits of top tier detergent gasoline (exxon/shell/valero etc.) over non-top tier (sams club/bucees/kroeger/general off brand gasoline) in terms of keeping the engine clean, but we also know this is a turbo charged engine that won't unlock the full listed power (and small efficiency gains) from the engines (2.3 or 2.7) without premium gasoline. This is a turbo engine and keeping it clean is crucial for engine and turbo life, but since the 2.7L engine has direct injection and port injection (to help wash away carbon build up) , it would seem that having maximum detergent levels in the gasoline isn't quite as critical.
In my area, there is a 60c to 80c spread for premium over regular at top tier stations, but at Sams club, it's only 30c more a gallon for premium. For example, currently the well priced shell station nearby is $2.45 for regular, but $3.09 for premium, whereas the Sams club is $2.25 for regular and only $2.55 for premium. Basically, I'm willing to pay an extra 10c/gallon for premium at non-top tier Sams Club over regular at Shell, but not an extra 60c or more for premium at a top tier station. Unfortunately the top tier Costco gas station with cheaper premium gas is far out of my way.
I'd like to get the maximum performance and full turbo spool/boost out of the engine, but don't want to gum up the engine in the long run as I plan on keeping this thing over 200k miles or till gas is just too expensive. (Also, apparently baby-ing the throttle for too long can cause the turbo wastegate to seize and result in premature turbocharger failure and replacement).
So what fuel would y'all put in the Bronco? 87 top tier (Shell for example), 93 Sams club, or just mix it up and fill up with 87 shell for one tank and then a 93 sams club for the next tank? Or even just 87 Sams club on occasion if you're feeling cheap? I'm getting a squatched 4dr BD (almost 5300 lbs) 2.7L FWIW. Edit: also getting shadow black and live in Central Texas, so high air intake and engine temps are also of concern).
In my area, there is a 60c to 80c spread for premium over regular at top tier stations, but at Sams club, it's only 30c more a gallon for premium. For example, currently the well priced shell station nearby is $2.45 for regular, but $3.09 for premium, whereas the Sams club is $2.25 for regular and only $2.55 for premium. Basically, I'm willing to pay an extra 10c/gallon for premium at non-top tier Sams Club over regular at Shell, but not an extra 60c or more for premium at a top tier station. Unfortunately the top tier Costco gas station with cheaper premium gas is far out of my way.
I'd like to get the maximum performance and full turbo spool/boost out of the engine, but don't want to gum up the engine in the long run as I plan on keeping this thing over 200k miles or till gas is just too expensive. (Also, apparently baby-ing the throttle for too long can cause the turbo wastegate to seize and result in premature turbocharger failure and replacement).
So what fuel would y'all put in the Bronco? 87 top tier (Shell for example), 93 Sams club, or just mix it up and fill up with 87 shell for one tank and then a 93 sams club for the next tank? Or even just 87 Sams club on occasion if you're feeling cheap? I'm getting a squatched 4dr BD (almost 5300 lbs) 2.7L FWIW. Edit: also getting shadow black and live in Central Texas, so high air intake and engine temps are also of concern).
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