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Ford Mustang DSS Competition Engine Swap - Project ProCharged Pony - 331 Ways To Waste An LS1



DSS Competition Engine New Injectors
The intake manifold was bolted up and then it was time to change the injectors.		 DSS Competition Engine MSD Fuel Injectors
Since we didn't really want to install an aftermarket fuel system like the one from Aeromotive, LaRocca's performance recommended stepping up from 42 lb-hr to 50 lb-hr injectors, so we called up MSD for a set of eight squirters. These competition units (PN MSD-2013) retail for $82.99 each.		 DSS Competition Engine Failed Motor Mounts
Engine mounts are a common problem with 5.0-liters and regularly fail from the torque of stock engines, let alone supercharged ones.
DSS Competition Engine Energy Suspension Urethane Motor Mounts
Holcomb Motorsports sent us these Energy Suspension urethane motor mounts (PN ES41122R, $139.95) to make sure our powerplant stays put.		 DSS Competition Engine Bellhousing
Something else we thought we should upgrade was the bellhousing. Knowing that our pony has some clutch drops in its near future, we heaved the stock aluminum bell housing in favor of this SFI-approved racing piece from Lakewood. Retail price for this steel scattershield (PN LKW 15203) is $339.90. We're fairly sure our Clutchmasters aluminum flywheel will hold together, but it certainly won't hurt to have one.		 DSS Competition Engine Clearanced
Long-tube headers generally have a clearance problem with the bellhousing, which is one reason why most race headers are fabricated. Cutting the bell housing technically negates its SFI rating, but we're more worried about our ankles, not the regulations. Glenn used a plasma cutter to notch out the metal on the passenger side and then ground down the rough edges for a finished look.
DSS Competition Engine Installing The New Motor
Here come the cubes and LS1-smashing muscle!		 DSS Competition Engine New Mass Air Calibration
When you change the fuel injector from one size to another, the mass-air meter must be recalibrated as well. We took the opportunity to upgrade from our Pro-M 75mm Bullet to this Pro-M Univer meter. The advanced element placement is designed to read more accurately in blow-through applications like our ProCharger setup.		 DSS Competition Engine Dyno Results
With our boost pressure (10 psi) and air/fuel ratio (11:1) staying the same as before, we picked up 40 hp and 24 lb-ft of torque at the rear wheels. The conservative tune (22 degrees total timing) will keep our engine making loads of LS1-killing power for years to come.
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DSS Competition Engine Ready For The New Engine DSS Competition Engine Ready For Assembly DSS Competition Engine Engine Disassemble
DSS Competition Engine Box Of Power DSS Competition Engine Removing The Old Motor DSS Competition Engine Old Cylinder Bores

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