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Old 05-01-2019, 10:46 AM   #1 (permalink)
Master EcoModder
aardvarcus's Avatar
Join Date: Apr 2012
Location: Evensville, TN
Posts: 646

Deep Blue - '94 GMC Suburban K2500 SLE
90 day: 23.75 mpg (US)

Griffin (T4R) - '99 Toyota 4Runner SR5
90 day: 25.43 mpg (US)
Thanks: 226
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1999 4Runner 4x4 Streamlining

Purchased a 1999 Toyota 4Runner, 3.4L V6, 5 Speed R151F Transmission, 4x4, 4:10s. It was selected because it has real 4WD, stick shift, 4 Doors, will fit two car seats and two adults, capable of towing and hauling, smaller than my Suburban, and has a comfortable ride. My wife has a similar one and I enjoy it (other than the missing clutch in hers). This vehicle will be for daily driving and moderate off-road use.

I am not going to mess with the powertrain on this one, mainly just some aero add-ons and a few off-road related items. I am putting this in the Aero subsection since that is the focus of this thread.

Currently planning the following:
Aero Mods:
Swap 265/70R16 Cooper AT3 to 245/75R16 Michelin LTX (in progress)
Remove roof rack, rear deflector, side steps, and fender flares.
Small boat tail attached to the rear hatch. (Fiberglass over foam)
Belly Pan/ Skid plates (1/4 Aluminum)
Tire Spats (Conveyor Belt)
Grill Ducting

Other Mods:
Change all fluids and stop oil cooler O-ring leak (in progress)
Upgraded Sway Bars
Front and Rear high clearance hitches, with winch on cradle.
255/85R16 tires on extra wheels to swap for dedicated trips.
Extra Insulation/sound deadening in interior.

Dream wishlist:
E-locker axle swap.
Dyna 5th gear swap in transmission during future rebuild.

I am open to suggestions, please give me your ideas on what all I should do/not do to this vehicle. I will post some more details below of my planned aero mods.

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