The Melling 26204 is a hydraulic flat tappet camshaft for Pontiac V8 engines. It delivers .433 inch intake and .466 inch exhaust valve lift with 214 degrees intake and 224 degrees exhaust duration at .050 inch tappet lift. It is ground for a hydraulic flat tappet valvetrain and uses standard hydraulic lifters.
Specifications:
- Engine family: Pontiac V8
- Grind type: Hydraulic flat tappet
- Valve lift (intake/exhaust): .433 in / .466 in
- Duration at .050 in (intake/exhaust): 214° / 224°
- Advertised duration (intake/exhaust): 288° / 298°
- Lobe centerline: intake 107°, exhaust 117°
- Part number: 26204
Break-in: Flat tappet camshafts require a proper break-in. Coat the cam lobes and lifter faces with the supplied assembly lubricant, prime the oiling system, and run the engine between 2,000 and 2,500 RPM for 20 to 30 minutes at initial start-up. Use a break-in oil with a high level of ZDDP (zinc and phosphorus) anti-wear additive.
FAQ
What engine does the Melling 26204 camshaft fit?
The 26204 is designed for Pontiac V8 engines. Confirm cylinder head, valvetrain, and compression match the grind before purchase.
What are the lift and duration specs for the 26204?
It provides .433 inch intake and .466 inch exhaust valve lift with 214 degrees intake and 224 degrees exhaust duration measured at .050 inch tappet lift.
Is this a flat tappet or roller camshaft?
This is a hydraulic flat tappet camshaft. It must be broken in with assembly lube and a high-zinc (ZDDP) oil, and it uses standard hydraulic flat tappet lifters.
