Articles tagged #SMALL-BLOCK
Articles tagged
#SMALL-BLOCK
Project Blackbird: The Daytona Coupe Takes Shape Ahead of SEMA 2017
With SEMA days away, Jay Verduzco and Gerald Lair pushed the Speedmaster Daytona Coupe toward completion - a build that signals the company's move into turnkey performance vehicles.
171 Horsepower from a Single System: Zex Nitrous on a 347 Stroker
A 347-stroker small-block Ford fitted with Speedmaster connecting rods and a Zex Perimeter Plate nitrous system picked up 171 horsepower on the dyno - demonstrating what a well-matched nitrous setup makes possible on a purpose-built engine.
The Pecking Order: How Much Are Cylinder Heads Worth on a 331 Ford Stroker?
On a 331 Ford stroker equipped with Speedmaster forged internals and a COMP cam, swapping from stock E7TE iron heads to Edelbrock Performer RPM aluminum heads delivered an 85 hp gain. The results reinforce why the order of modifications matters.
Speedmaster Sponsors the Engine Masters Challenge at University of Northwestern Ohio
Speedmaster has joined the Engine Masters Challenge as a sponsor, supporting a dyno-based competition where top engine builders nationwide are scored on raw power output across four distinct classes.
Dyno Test: Trick Flow Twisted Wedge Track Heat Heads on a 331 Windsor Stroker
A 331 Windsor stroker equipped with stock E7TE heads produced 353 hp. Swapping to Trick Flow's as-cast Twisted Wedge Track Heat 170 heads raised output to 439 hp and 437 lb-ft, with gains across the full rev range.
Twin-Turbo 347 Stroker: Engineering 1,000 HP from a Street-Ready Small-Block
A 347ci small-block Ford built with Speedmaster forged internals and a CXRacing twin-turbo system produced 1,003 hp and 891 lb-ft of torque on the dyno. The key was upgrading from restrictive T3 turbine housings to properly sized T4 units with precise boost control.
Ford 363 Stroker Dyno Test: ZEX Perimeter Plate Nitrous on a Speedmaster Funnel Web
A Dart SHP 363 stroker equipped with a Speedmaster Parker Funnel Web intake produced 563 hp naturally aspirated, then reached 775 hp and 727 lb-ft with a 200-hp ZEX Perimeter Plate nitrous shot - exceeding the kit's advertised rating.
Shifting the Torque Curve on a 383 Stroker: Heads, Cam, and Intake Tested Individually
Horsepower is torque multiplied by rpm. This dyno series isolates the individual contribution of cylinder heads, camshaft, and intake manifold on a Speedmaster 383 stroker, demonstrating how each component shifts the torque curve and where the trade-offs occur.
Twin-Turbo Carbureted 347 Stroker: From 519 Naturally Aspirated to 919 HP on the Dyno
A 347 Ford stroker built with forged internals, AFR Renegade heads, and a Speedmaster Funnel Web intake produced 519 hp naturally aspirated. After fitting a CXRacing twin-turbo kit adapted for blow-through carburetor use, the combination reached 919 hp at 15 psi with power still climbing.
Flywheel Weight and Engine Power: What 26 Pounds of Rotating Mass Actually Costs
A back-to-back dyno test on a 383 stroker quantifies the power hidden behind rotating mass. Swapping from a 55-pound steel flywheel and drive plate combination to a 29-pound aluminum setup delivered a measurable 7 hp and 9 lb-ft gain across the entire rpm range.