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Old 04-16-2018, 07:03 PM   #108 (permalink)
Master EcoModder
aardvarcus's Avatar
Join Date: Apr 2012
Location: Evensville, TN
Posts: 491

Amocat - '05 Toyota Tacoma 4x4 Manual Access
90 day: 26.55 mpg (US)

Deep Blue - '94 GMC Suburban K2500 SLE
90 day: 23.24 mpg (US)
Thanks: 150
Thanked 395 Times in 210 Posts

The 6.5l diesel uses indirect injection, but not through a throttle body rather directly into the pre-combustion chambers. With diesel the injection pulse is the timing as there is no spark. I had a 1991 K2500 with the 5.7L that was throttle body, got it up to 18MPG without mods (other than the transmission swap), it is now a parts vehicle for this thing. My NV4500 is the early Chevy version with the 6.3:1 first gear, I think a 93 or 94. It came out of a one ton 4x4 and I put it in my 1991 and now the Suburban.

Yes I am still driving the Tacoma until I can get the Suburban finished, it is a good truck but the backseat isnít large enough for my family anymore. Forward facing car seats donít fit back there well. I really like my wife third generation 4Runner, if the Suburban doesn't work out that is my backup plan. Yeah, my property requires 4x4 to get around.
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