Engine
- Engine Codes
- Exhaust
- Transmission
- Vacuum
- 305 TBI to TPI Conversion
- 350 TBI to Carb Conversion
- 350 TBI to Sniper Conversion
Info
Oil: 10W-30 or 10W-40
| Gen 1 | 1987 | L03 (H) | 170 hp at 4400 rpm | 255 lb-ft at 2400 rpm | 305 | 3.736 in bore x 3.48 in stroke | 9.1:1 | Iron | TBI |
Stock L03-L05 camshaft 10088155 179/194 - .350/.384 109 LSA
Replace heads with 1995 - 2002 Vortec 305 Heads. Stock performance with Vortec heads is almost identical to the HO 305 heads.
Stock cam specs: Lobe lift .2484 and .2667 exhaust
Valve lift .373 intake .400 exhaust
Cooling
Intake and Heads
1996 - 2002 350 Vortec Intake Manifold with L31 Cast Iron Heads 906062
Heads - Summit Racing SUM-151124
Distributor
Ignition Module 369 module
10482827, AD1943A, D1943A -> 19179578
Notes
| 87 TPI | L69/LB9 | 190hp | 240lb-ft | |
| 88 TPI | LO5 | 210hp | 300lb-ft | 9.3:1 |
| 87 TBI | L03 | 170hp | 255lb-ft | 9.1:1 |
| 96 FI | LT1 | 260hp | 330lb-ft |