Build List
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 |
| SERVICES |
| 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.