my buddies 7.3L Stroke gets 17-18, iirc but it has an S&B intake, MBRP 5" exhaust, and a T&S chip, drives in 50hp setting. He can prolly do better if he keeps his foot out of it.

My (gone) 95 stroke, didnt do quite as good, 16mpg but basically all stock, heavier and non-intercooled.

Now my Dmax, 19-20ish, better if i play nice but its also capable of around 600HP as is and well beyond 750HP after the twins go on. It should get even better MPG with the twins if i change nothing else as far as tune, driving style, etc.

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87' 300D, Currently undergoing an OM606 swap/build! SUPERTURBO!!!
03' 2500HD Dmax + goodies!
82' 300SD, parting out!
93' 300TE 4matic, parting out!
83' 240D Project Cheap Drive
89' 300E, parting out!
74' Datsun 510 wagon
88' RX7 10thAE, 13B track car build soon

Skippy~ As for perception: Drive what you like and can afford. Those who don't like it can supply vacuum to one of your components. LOL

If you need parts, I have some!