Our foundation was a GM 383 short-block assembly (four-bolt main block, forged crankshaft, hypereutectic pistons, 5.700-inch rods, 8-inch harmonic balancer, 12 3/4-inch flexplate, windage tray, 5-quart oil pan, composite timing cover).
The top-end kit included 200cc cylinder heads, clean and blended bowls, CNC combustion chamber, angle milling for increased compression, matched intake ports, 2.20/1.600-inch intake/exhaust valves, dual-plane intake manifold, valve covers, intake gasket, 4150 carb gasket, STD port exhaust gasket, NGK B8ES spark plugs, head bolt kit, intake manifold bolt kit.
|MFG ||DESCRIPTION ||PN ||PRICE |
|GMPP ||Short-block assembly ||12499106 ||$3,500 |
|BRODIX ||Top-end kit ||9991010 ||2,400 |
|ADDITIONAL ITEMS |
|COMP CAMS ||Hydraulic roller camshaft CS XR294HR-10 ||12-443-8 ||266 |
| ||Hydraulic roller lifters ||875-16 ||223 |
|Hardware kit ||08-1000 ||121 |
|Ultra-Pro Magnum roller rockers ||1601-16 ||324 |
|Pushrods ||7949-16 ||135 |
|Beehive springs ||26120-16 ||120 |
|10 steel retainers ||795-16 ||56 |
|10 11/32-inch locks ||613-16 ||24 |
|HOLLEY ||750-cfm 4150HP carburetor ||0-82750 ||526 |
|MSD ||Pro-billet distributor ||85551 ||228 |
|TCI ||Rattler Balancer ||870003 ||384 |
|WILSON ||4-hole tapered combo aluminum spacer plate ||004110 ||128 |
|WESTECH ||Full engine dyno, tune and fuel || ||600 |
| ||TOTAL ||$9,035 |
The roller lifters were presoaked...
The roller lifters were presoaked in oil, and we dropped them into each lifter bore with their coordinating H-bars. Brul spec'd our pushrod length at 7.300 inches (PN 7949-16) and proceeded to fasten down each rocker with a lock-nut.
From there, we laid down a...
From there, we laid down a bead of silicone. Then, using the supplied intake gaskets, we planted down the Brodix dual-plane manifold. We were ready to load this 383 onto the dyno. Brul and Eugene Walde added a Holley 750 and an MSD Pro-Billet distributor (PN 85551) with a set of 13/4x31/2-inch Hedman headers.