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Brodix CNC Ported Cylinder Heads Install - Project ProCharged - A Head Above The Rest



Brodix Cylinder Heads Sealing The Timing Cover
Sealing the timing cover back up may just be one of the hardest parts of this installation thanks to the design of the cover itself. Here, Hedenburg has scraped the block to provide a good seal. He then used Permatex gasket maker instead of the cork material that comes in your typical timing cover gasket set.		 Brodix Cylinder Heads Gaskets
We used Fel Pro 1011-2 head gaskets and 1250 intake gaskets for the installation. LaRocca recommends using Fel Pro's 9333pt1 graphite gaskets whenever possible, but with our truncated timetable we used what we had. Richard Holdener supplied us with just about everything we needed to make the swap, which helped greatly with our situation.		 Brodix Cylinder Heads Properly Installed Gaskets
Be sure to put the head gaskets on correctly, otherwise the engine may overheat. Here, you can see that the gasket is marked front for the front of the motor. This ensures that all of the coolant holes are lined up properly.
Brodix Cylinder Heads Roller Rocker
Here's the Pro Magnum 1.6 roller rocker and a soft spring that we used to check piston-to-valve clearance with the E303 cam that Holdener sent us. With just .018-inch clearance, we had to put the stock cam back in. The fact that it makes the power it does with just .444-inch lift is remarkable.		 Brodix Cylinder Heads ARP Studs
We used ARP studs and bolts to secure the cylinder heads. The studs simply install with an Allen wrench and should be coated with a thread sealer or Permatex gasket maker.		 Brodix Cylinder Heads Heads Installed
Hedenburg put on the new timing chain and reinstalled the cover and water pump. The heads were then torqued down to 80 ft-lb in increments of 35, 55, 65 and 80.
Brodix Cylinder Heads Installed Rockers
The roller rockers were adjusted to zero lash. Even though the exhaust ports are raised .500-inch with the Brodix heads, we experienced no problems with the Bassani long-tube headers.		 Brodix Cylinder Heads Dyno Results
The new cylinder heads started making power down around 3,400 rpm. We expected a slight decrease in boost from our normal 10 psi due to the larger runner volumes, but LaRocca noted that the flat spot in the curve at the top of the rpm range is indicative of belt slippage. We saw 8 psi of boost, but were unable to tighten the belt further as the tensioner has become tweaked a little too much. We'll try again at a later date with a new tensioner and belt to see if we can't get that 2 psi back. Otherwise, we'll just pulley up.		 Brodix Cylinder Heads Pulling The Tire
Want to know what 473 rwhp can do for you? Check the left front wheel.
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Related Photos

Brodix Cylinder Heads Launching Brodix Cylinder Heads Port Brodix Cylinder Heads Removing The Intake Manifold
Brodix Cylinder Heads CNC Ported Heads Brodix Cylinder Heads New Studs Brodix Cylinder Heads Before Removing The Pushrods And Rockers

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