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1964 C-10-383 stroker-12 bolt posi 1977 shortbox- nasty 454- 12 bolt posi 3:73
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01 1971 Chevy C10 Stepside Truck Delmos Speed James King
Delmo’s Speed Builds an LS powered Chevy Truck for James King

02 1971 Chevy C10 Stepside Truck Delmos Speed James King
In all fairness, our pal in the pines, Del Uschenko (Delmo’s Speed) finished King’s two-year project back in 2021. A tribute to James’ father, who just happened to own a similarly colored and 427 big-block powered C10 Stepside of the same vintage when he was a kid, this modern rendition of pop’s pickup undoubtedly features a plethora of modern touches, all of which are expected from a project coming out of Delmo’s Prescott-based shop.
03 1971 Chevy C10 Stepside Truck Delmos Speed James King
For starters, the stock chassis was forgone altogether in favor of Choppin’ Block Chassis Products Stage 3 full (Aldan American) coilover shock platform. With its narrowed (62-inch) track width, rack-and-pinion (Flaming River) steering, and torsion-style sway bar–equipped independent front suspension and a triangulated four-link rear, Choppin’ Block’s chassis was a perfect choice for performance right out of the gate. Set to roll on Delmo’s own 7D 20-inch slotted “mags” wrapped in redline-cut 40-series Toyo Tires radials by Diamondback Classics, the truck has that just-right ’70s feel with a modern twist.
04 1971 Chevy C10 Stepside Truck Delmos Speed James King
Speaking of modern, the fatherly tribute theme was further carried out when it came to the 427 engine—however, while the cubes may be the same, the vessel in which they’re output is by no means of matching origin. Del selected a new 427 LS7 crate engine for that modern-vintage twist, which he outfitted with a Autotrend EFI tri-power (controlled by Holley’s Terminator X ECU) atop a custom intake manifold flanked by big-block retrofit custom LS valve covers by Don Hardy Race Cars. Healthy breathing is accomplished with a set of Speed Engineering headers and Borla Exhaust mufflers with cutouts placed appropriately. And in lieu of the original Muncie four-speed transmission, a six-speed TREMEC T56 Magnum Transmission (Centerforce clutch equipped) was utilized.
05 1971 Chevy C10 Stepside Truck Delmos Speed James King
While the exterior is as-was intended back in 1971 (factory Medium Olive Poly), Del reworked the bed floor height and modified the rear inner fenders to accept the 10-inch-wide wheels, and similarly modified the front inner wheel wells accordingly. There is one distinguishing non-stock exterior item that was a must for James: a 1956 Ford F-100 truck rear bumper just like his dad’s featured!
07 1971 Chevy C10 Stepside Truck Delmos Speed James King
Read More: Father-and-Son Built Big-Block Chevy C10 The Upper Crust
When it came to the interior, Del called on his go-to stitcher Sean “Fat Lucky’s” Johnstun to do what he’s well known for: some of the baddest trim jobs ever stitched. That holds true with James’ truck, even though it’s just a bench seat (a Glide Engineering bench seat base, that is) and carpet job! The stock-looking dash actually features Dakota Digital RTX instrumentation, a Flaming River steering column with a repop wheel from Truck and Car Shop, and factory louvers feeding Vintage Air pumped fresh cool air for those warmer summer drives!

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Nice looking stepper and all the goodies
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