How To Build A Budget 289

Because we're using a modest hydraulic flat-tappet camshaft, we could have easily gone with stock rocker arms. Marvin decided on Magnum roller rocker arms from Comp Cams to reduce internal friction and improve stability. It is very important to get rocker arm and valve stem geometry just right, with the roller tip centered on the valve when at half cam-lobe lift.

To improve low- to mid-range torque and isolate engine heat, Marvin went with a -inch Phenolic carburetor spacer, which has been massaged to improve airflow and eliminate turbulence.

Marvin chose the PerTronix billet distributor for this project to enhance ignition reliability and enable him to fine-tune the ignition system. Coupled with the PerTronix Flamethrower ignition coil, it's unbeatable. When you use the Flamethrower coil, you must bypass the factory resistor wire from the ignition switch. Marvin has custom-curved this distributor for the customer's driving preferences. His curving technique also matches camshaft, heads, and induction.

Marvin opted for a Milodon double sump pan and Canton windage tray designed for late-model Mustangs because the engine will be installed in a Mustang with a Mustang II front end, which calls for the double-sump Fox-body oil pan. A main stud girdle and windage tray are added life insurance to secure the bottom end, offering stability when it's time to lean on the throttle. MCE Engines has also blueprinted the Melling high-volume oil pump to improve reliability.

Boss Look
We're not sure where to hand the credit, but someone came up with a great idea at Ford Racing Performance Parts. We like this cast aluminum M-6582-BOSS302 valve cover for 289/302/351W cylinder heads. It makes your Windsor-based small-block look like a Cleveland or Boss 302. What's more, Ford Racing has a new polished version of this valve cover for 2009.