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Ford Modular Motor Forced Induction Testing - Force-Fed Foursome

Ford Forced Induction Dyno Testing Blower Pulley
We took the liberty of upgrading the blower pulley (from a 3.6 to a 3.4). We also upgraded the stock throttle body to an FRPP 70mm unit. The pulley and throttle-body upgrade combined with the FRPP supercharger to produce an impressive 427 hp and 425 lb-ft.
Ford Forced Induction Dyno Testing Cylinder Head
Our 500hp combination began life as a high-mileage '98 short-block upgraded with a set of CNC-ported PI heads from Total Engine Airflow.
Ford Forced Induction Dyno Testing Comp Cams Camshafts
The PI-headed early Two-Valve motor also received a set of XE274H (non-PI) cams. The XE274H cams offered 0.500 lift and a 236/240 duration split.
Ford Forced Induction Dyno Testing Kenne Bell Dyno Pull
Adding the Kenne Bell 1.7L intercooled supercharger system to the mix increased the power output of the already impressive N/A combination (407 hp and 393 lb-ft of torque) to 574 hp and 513 lb-ft of torque at just 9 psi of boost. Actually, the boost reading at the power peak was just 8.3 psi, so there was a ton more power left in this combination.
Ford Forced Induction Dyno Testing Ford Forced Induction Dyno Testing Head Gasket
When performing the PI head swap on the early Two-Valve short-block, we took the liberty of installing Fel-Pro head gaskets and ARP head studs-always a good idea when looking to exceed 600 hp.
Ford Forced Induction Dyno Testing Ported Cylinder Heads
To reach the 600hp mark, we started out with the same TEA-headed long-block used in the 500hp buildup. The TEA-ported PI heads offered impressive flow, thanks to full CNC porting.
Ford Forced Induction Dyno Testing Vortech Centrifugal Supercharger
Wanting to make big power, we stepped up to the T-Trim supercharger offered by Vortech. Running 12 psi through the air-to-water charge cooler, the supercharged 4.6L produced 654 hp and 547 lb-ft of torque. This power level was definitely pushing the limits of the stock short-block.
Ford Forced Induction Dyno Testing Vortech Supercharger Dyno Pull
To withstand the punishment of 700 hp, we took Coast High Performance (CHP) up on its offer to equip our stock short-block with forged internals. CHP supplied not only forged rods and pistons, but also a steel Cobra crank.
Ford Forced Induction Dyno Testing 57Mm Turbo
Adding the necessary boost pressure to the modified 4.6L was a pair of 57mm turbos from HP Performance (Roswell, New Mexico).
Ford Forced Induction Dyno Testing Turbo Charged Dyno Pull
With the pair of wastegates set to allow 13.7 psi, the twin-turbo 4.6L produced an amazing 713 hp and 717 lb-ft of torque. Like the blower combinations, this twin-turbo system was easily capable of much more power.
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Ford Forced Induction Dyno Testing Naturally Aspirated Ford Forced Induction Dyno Testing Vortech Supercharger Ford Forced Induction Dyno Testing Intake Manifold
Ford Forced Induction Dyno Testing Kenne Bell Ford Forced Induction Dyno Testing Turbo System Ford Forced Induction Dyno Testing Camshafts

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