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Old 05-19-2022, 03:24 PM   #40 (permalink)
Master EcoModder
Join Date: Apr 2008
Location: Michigan
Posts: 261

Bio Deezler (sold) - '03 Volkswagen Jetta GLS TDI
90 day: 50.78 mpg (US)

The Beast. - '03 GMC Sierra 2500HD SLT
90 day: 12.86 mpg (US)
Thanks: 0
Thanked 36 Times in 22 Posts
Oh please. I was referring to the 2500/3500 trucks specifically, but still. I didn't say "none", either.

No front air dam. No underbody panels whatsoever. No wheel spats. No front grill smoothing or closures. No vents to/from wheel wells. No rear wheel well liners. No cares about bulky protrusions like antennas, roof cab lights, door handles, etc. No curvature at rear of cab or bed for slimming the rear wake, etc. Front track is 3" wider than rear. I could go on; there's dozens of areas where some basic engineering effort could have been applied, but clearly wasn't. This stuff was well known in the mid/late 90s when development of this platform was underway.

Bottom line, there was no return on investment for applying this kind of effort. I don't really blame them. Gas was $1.50/gallon, no EPA ratings for HD trucks anyway, and no one cared.
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