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1993 GMC 350 Pickup - Project Jake, Part III

Power Pulls
Configuration HP LB-FT
Test 1, baseline 140 @ 3,850 200 @ 3,850
Test 2, after-cat exhaust, tune-up 168 @ 4,100 229 @ 3,800
Test 3, above w/headers 167 @ 3,500 237 @ 3,500
Test 4, above w/Hypertech chip 176 @ 4,050 260 @ 3,300
Test 5, above w/Power Charger 184 @ 4,100 268 @ 3,400
Total improvement 44 68
Percentage gain overall 31% 34%

Component Manufacturer Part Number
Wheels, Billet Rally Wheel Vintiques 90-780505
Billet disc brake cap Wheel Vintiques 1047
Tires, Ventus ST Hankook 255/50R17
Locking lug nuts McGard 24109
Steel cowl hood Goodmark 4146-200-881
GM TBI fuel regulator Turbo City 630-130
TBI injector spacer Turbo City 630-105
Air cleaner kit Trans Dapt 2452
Throttle-body spacer Trans Dapt 2534
Truck cover Covercraft see catalog
Shift improver kit B&M 70239
Trick Shift ATF B&M 80286
Trans Supercooler B&M 70266
Hi-temp hose kit Summit/Goodyear GTR-5005
Battery, spiral cell Optima 8004-003
Carpet, black Auto Custom Carpet see Web site


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