Twin-Turbo 429 cid Ford Boss Engine

Engine of the Week is presented by

We’re not accurately confident what it is about a Ford motor in a Ford automobile these days, but it grabs our notice every single time we see it. It’s possible it is for the reason that the Ford in a Ford combo isn’t as commonplace as it as soon as was presented all the LS swaps that have occurred, but a best instance of a terrific Ford combo crossed our path during Unwell 7 days 2023.

We have been at Orlando Pace Planet on day one particular of the drag-and-travel function when we handed Earl Schexnayder of Schexnayder Racing and his orange 2000 Cobra Mustang with a twin-turbo 429 cid Ford Manager engine. Earl was working on a new tune for his upcoming go, but was form sufficient to give us some time to stroll us via the vehicle and engine aspects.

As it turned out, Earl is no stranger to the drag-and-travel scene, nor is his Cobra Mustang. Earl has been coming into drag-and-push gatherings since 2009 when he gained his class with his previous Ford truck with a twin-turbo significant block Ford.

“The very first one I went on we had a blast,” Schexnayder claims. “I constructed the Mustang in 2010 following profitable in 2009 with my previous truck. In 2011, we began doing drag-and-drives in the Mustang, so it’s been close to the block.”

We also discovered that Earl had registered for the inaugural Ill Week in 2022, but owing to receiving Covid just a several times prior, he had to dropout. For that reason, his presence at this year’s party was eagerly awaited. And it’s no shock to find out that Earl is a Ford man through and by means of.

“I’ve usually been the underdog,” Schexnayder claims. “Everything I have acquired is Ford powered. I have received a Coyote auto. I’ve bought an old truck with a twin-turbo massive block Ford, and I’ve obtained this Cobra Mustang.”

Earl’s store, Schexnayder Racing, found in Arnaudville, LA, does engine function on big block and small block engines and platforms these kinds of as Ford, LS, Chevy, Dodge and Chrysler. They are also gurus at dealing with electrical power adders these kinds of as blowers, turbos and nitrous. It arrives as no surprise that Earl’s have 429 cid Ford Boss motor characteristics a twin-turbo set up as well as a number of prime-notch motor factors.

Schexnayder’s 429 Boss motor capabilities Manager Nine Kaase cylinder heads, a billet Crower crank, R&R metal connecting rods, Crower lifters, an LSM camshaft, T&D rockers, PAC springs, a Jeff Johnson billet oil pan and billet oil filter, a Danny B belt push, an Innovators West balancer, a ProTorque torque converter, a Turbo 400 trans, a 3,500-lb. Equipment Seller overdrive, and it is all controlled by the Haltech Nexus R5, which is their newest EFI procedure out.

“All these components come from amazing businesses,” he states. “It’s a testomony that I’ve experienced this engine 13 decades and it’s by no means blown up. It’s a rather sturdy piece. It operates on each pump fuel and M1. The motor has twin 91mm turbos and it’s our very first time out on radials, so we’ve been accomplishing some screening and acquiring the hold of it.”

The twin 91mm turbos aren’t just for excellent seems to be and a amazing factor. Earl states he runs 22-23-lbs. of increase to the turbos, which benefits in 1,850 horsepower to the wheels. That type of electrical power is capable of some speedy ETs, and that’s unquestionably the circumstance for Earl’s Mustang. Nonetheless, his license only certifies him to run 7.50 and slower.

“If I operate a 7.49 or quicker, I’m out,” he told us. “We went 7.62, 7.70 and 7.69 previously. It’s not a bracket car or truck, so it is hard. If I wasn’t limited, we’re making an attempt to get into the 6s with it. It is run a 4.60 in the eighth. We’re making an attempt to run 4.50s in the eighth and it must run 6.90s. That is what we’re striving for and even now be avenue authorized.”

Earl competed in Sick 7 days 2023 in the Pro Avenue class, and ended the week in fourth location with operates of 7.62 at 153 mph, 7.83 at 141 mph, 7.75 at 153 mph, 8.77 at 116 mph, 9.77 at 99 mph for an typical of 8.35 at 132 mph. With a purpose of just building it via to the conclusion, Earl accomplished that intention. Now the quest for the 6s commences.

Motor of the 7 days is sponsored by PennGrade Motor Oil, Elring – Das Initial and NPW Companies. If you have an motor you’d like to spotlight in this sequence, remember to email Engine Builder Editor Greg Jones at [email protected]