EDELBROCK PRO-FLO XT LS3 (415 STROKER)
We had very good success with the Pro-Flow in our test on the cathedral-port intakes, and this recport (LS3) version continued the trend. The Edelbrock Pro-Flo XT showed its high-rpm strength by making peak power at 7,000 rpm, even on the big-inch LS3 stroker. Racers have run these intakes with great success on high-rpm, turbo applications. Equipped with the Pro-Flo XT, the 415 stroker produced 656 hp and 551 lb-ft of torque, which represented a gain of nearly 30 hp over the stock intake. The peak torque output was down 17 lb-ft, but torque suffered through much of the rev range, something we have come to expect with short-runner intakes (at least compared to the stock intake).