Uploaded July 2026 | Updated September 2026, 1 week ago
4.8L vs 5.3L-Which one gets better MPG? Smaller motors should get better mileage, but does it really happen? Does the 4.8L really get better in-town fuel mileage? What about fwy cruise MPG? What about towing? 6.0L guys, feel free to chime in here! Make sure to check out all the cool stuff @richardholdenerperformance We got cams, springs, lifters, not to mention responsive single and mirror image twin turbos (new ones in stock), fuel systems (injectors and pumps), DOD delete kits, waste gates, BOVs & tunes. Also check out our partners over at @briantooleyracing (BTR has NSR and big cams and lots of other great products) @vortechsuperchargers (Vortech has powerful blower kits) @scatcrankshafts (Scat has beefy forged internals) @afr_heads (AFR has some serious flowing heads!) #turbo #boost #junkyard #tune
4.8L vs 5.3L-Which one gets better MPG? Smaller motors should get better mileage, but does it really happen? Does the 4.8L really get better in-town fuel mileage? What about fwy cruise MPG? What about towing? 6.0L guys, feel free to chime in here! Make sure to check out all the cool stuff @richardholdenerperformance We got cams, springs, lifters, not to mention responsive single and mirror image twin turbos (new ones in stock), fuel systems (injectors and pumps), DOD delete kits, waste gates, BOVs & tunes. Also check out our partners over at @briantooleyracing (BTR has NSR and big cams and lots of other great products) @vortechsuperchargers (Vortech has powerful blower kits) @scatcrankshafts (Scat has beefy forged internals) @afr_heads (AFR has some serious flowing heads!) #turbo #boost #junkyard #tune
