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Ford Racing created several upgrades for the BOSS 302 engine (since 2012) that build upon the strengths of that car while adhering to strict Ford production standards which leads to aftermarket improvements to the liking of Marken Performance via Ford Racing.
The stock Boss 302 car baselined at 433.5 hp and 354.0 ft-lbs of torque to the rear tires on the Dyno. When done, the BOSS 302 had picked up 39.5 hp and 15.2 ft-lbs of torque at the rear tires for total power of 473.0 hp and 369.2 ft-lbs of torque. Those gains start coming on strong at 4,400 rpm and stay with the engine all the way to redline. Above 5,000 rpm the difference becomes even more dramatic as the cams take advantage of the improved airflow of the Cobra Jet intake and throttle body to make bigger power. Ford claims the Cobra Jet intake is tuned to peak at 7,750 rpm and that’s apparent from our dyno results, although we think the engine could have easily gone to 8,000 and probably continued to make power.
The complete group of parts ordered for this round of upgrades include new intake and exhaust cams, a Cobra Jet intake, dual-bore 65 mm throttle body, and Cobra Jet cold air intake. The only other modification to our engine is a set of Bassani long tube headers, H-pipe, and cat-back exhaust. Ford Racing recommends long tubes with the use of these parts to take full advantage of the air being moved out by the new exhaust cams.
Cobra Jet billet aluminum throttle body, part number M-9926-CJ65 is machined from billet aluminum and featuring big 65 mm twin inlets, this throttle body is capable of inhaling a massive 1,517 cfm. It’s ready to bolt on without the need to transfer the factory electronics. The unit is calibrated for stock idle air flow characteristics and also uses stock throttle body gearing to prevent bind or wear.
Parts List:
- M-9926-CJ65 Dual 65 mm Cobra Jet Billet Aluminum Throttle Body
- M-9424-M50CJ Cobra Jet 5.0 Intake Manifold
- M-9603-M50CJ Cobra Jet Cold Air Intake Kit
- M-6550-M50BEXH BOSS 302R Exhaust Cam (pair)
- M-6550-M50BINT BOSS 302 Intake Cam (pair)
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