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Owner: spdfrk
silverado30mpg: 1990 Chevrolet Silverado 2WD w/ 3.08 gear
Displacement: 5.7 L
Fuel type: gasoline
Transmission: automatic
Curb weight: 4100 lbs
Coefficient of drag: 0.412
Frontal area: 34.3 sq.ft.
Instrumentation: custom
Description: http://silverado30mpg.0fees.us

Using WinALDL for TPS and O2 real time data
Build Thread:
Current Mods: Amsoil low viscosity ATF
Amsoil heavy duty coolant
Flowtech shorty headers
high flow 3" exhaust
full belly pan and wheel well liners
Taylor thunderbolt spark plug wires
Champion copper RV15YC4 spark plugs & indexed @ 0.045"
New Delco 105a alternator
2/4 Doestchtech drop kit
grille update with full grille block
Tonno Pro Lo-Roll tonneau cover
m3 style mirrors - smaller
antenna relocation
Ron Hatton grooved tbi - flow matched injectors
Centerline racing smoothie wheels @ 13lbs
Nokian wrg2-suv tires
Edelbrock aluminum water pump Victor series
ford mark viii fan mod - bmw switch 90C/99C
volvo fan controller
Mallory Hyfire VI A
New Accel 140011 coil, msd cap, taylor rotor
New Drive-rite serpentine belt
Spare tire underbody panel
195F thermostat
wheel deflectors for rear wheels
BBK 1603 aluminum underdrive pulleys
wiper cowl
Amsoil 0w30 gallon plus 1 qt Eneos 5w30 w/ 5 tsp's ws2 and EAO24 oil filter
7747 lean hiway mode ecm hack
4 wire Bosch oxygen sensor
tailgate spoiler from newer GM truck angled up a bit
Microblue racing front wheel bearings
Amsoil 75w90 in the front wheel bearings
new front air dam
front wheel deflectors
Castrol Syngear 75w90 with 3 teaspoons of tungsten disulfide for the rear differential
Lowerfriction's WS2 high pressure grease in the u-joints
LED tail lights and front corner markers
LED headlights and front signals
Did a transmission fluid change and wix filter
Lubricated butterfly on the throttle body with ws2 so TPS zeros to 0.2% on the sensor
Fresh low viscosity atf in the power steering with ws2 friction modifier
WS2 coated tailshaft housing bushing and driveshaft slip yoke with Redline Racing grease
NMF in the engine, transmission, coolant and power steering

Planned Mods: Side skirts for lower bodywork
Aluminum driveshaft
Alloy wheel lugs
Air tabs every 3' on upper trailing edge of the cab and top and side of the back of the box
Microblue wheel bearings for rear and rear differential carrier bearing
replace power steering flow control valve with one from a third gen Camaro reducing flow from 3gpm to 2.4gpm - currently over-assisted
F1 mirrors
75w85 redline gear oil for the rear differential
Official Fuel Economy Ratings
EPA city 14 mpg(US)
EPA highway 18 mpg(US)
EPA combined 15 mpg(US)

Actual Fuel Economy Performance
Lifetime 22.64 mpg(US)
Last 3 tanks 22.86 mpg(US)
90 days 21.37 mpg(US)
View Fuel Log
Last updated: Jul 19, 2017

(Created: 2013-03-31 11:44:12 / Modified: 2017-07-19 18:16:42)


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