Scheid Diesel 2,500-Plus-HP Cummins Engine
In the upper echelon of diesel drag racing, overcoming a hefty curb weight is usually only accomplished by adding horsepower -- unless, of course, you’re one of Dan Scheid’s customers. After the folks at Scheid Diesel fitted a Cummins sporting a billet-aluminum block into the company’s record-setting dragster, a lighter overall engine package was put to good use. The rail proceeded to churn out 6-second quarter-miles at speeds approaching (and even exceeding) 220 mph, which also indicated the Scheid team was bringing a much more powerful vehicle to the track. Taking note of all this was none other than the driver of the Power Service funny car, John Robinson.
Already running a Scheid-built, cast-iron, 1,900hp Cummins that powered the funny car to mid-7-second passes in the 190-mph range last year, Robinson and the Power Service crew opted for Scheid’s 390ci aluminum-block engine for the 2014 season. And why not? So far, the compound-turbo’d, P-pump’d, 12-valve Cummins has been good for well north of 2,500 hp on Scheid’s engine dyno -- with even more fuel left on the table thanks to the 14mm P8600. The icing on the cake? Even at more than 2,500 hp and 140 psi of boost, the engine has proven to be downright reliable.
While gaining an extra 600 hp and shedding more than 100 pounds off the funny car will take some getting used to, we expect to see the Power Service team lay claim to a 6-second pass before the 2014 racing season is said and done. “We will have to learn how to get this horsepower down the track,” Robinson told us. And even though a high 5-second quarter-mile is a mathematical possibility given the funny car’s new power-to-weight ratio, Robinson added that he’d be happy to see a mid-6 this season. “If I got a 6.50 this year, I would be tickled to death.”
Look for the Scheid-powered Power Service funny car at an event near you this summer (check out powerservice.com/funnycar/ for a list of events).
A. Scheid 14mm P8600 capable of flowing 1,100 cc feeds six Scheid triple-feed injectors
B. Scheid 11-nozzle (8 main, 3 auxiliary) water injection system maintains 1,400 degree EGT and never allows EGT to crest 1,550 degrees
C. LSM Systems Engineering billet-aluminum block with steel sleeves; billet-steel rods; Arias low-compression, valve-relieved, forged-aluminum pistons; billet roller cam and lifters
D. Billet-aluminum oil pan