Edelbrock Pro-Flo XT Intake For LS1
The Test
Edelbrock's been at it on the dyno with there new intake manifold and 90mm throttle body for the LS1. Compared with the stock LS6 intake on the company's 5.7L LS1 Corvette Z06 engine, the Edelbrock combo allowed massive amounts of air with the larger plenums and fuel with the throttle body to enter the engine.
Before
Max power: 447 hp @ 6,500
Max torque: 428 lb-ft @ 4,500
Average power: 341 hp
Average torque: 396 lb-ft
After
Max power: 483 hp @ 6,498
Max torque: 431 lb-ft @ 4,993
Average power: 347 hp
Average torque: 400 lb-ft
Difference : +36 hp; +3 lb-ft
Edelbrock Corp.
310.781.2222
edelbrock.com
The Test
A '69 El Camino with stock suspension was thrown through the slaloms, skidpad, and a barking test. Once the baseline was complete, Hotchkis's Extreme TVS kit was installed and gains were seen across the board. We added 1-inch Lowered Sport Coils, heavy-duty tie rod sleeves, a 13/8-inch front sway bar, a 15/16-inch adjustable rear sway bar, an adjustable rear trailing arm package, bushings, and hardware.
Before
400-ft slalom: 40.6 mph
200-ft skidpad: 0.69 g
Braking: 185 ft
After
(With 17-inch wheels)
400-ft slalom: 44.1 mph
200-ft skidpad: 0.85 g
Braking: 177 ft
Difference: +3.5 mph; +0.16 g; -8 ft
Hotchkis
888.735.6425
hotchkis.net