Factory Camshafts ~ 1968 340 '4-Speed' vs. Chevy '151'

Chevrolet '151' Camshaft

* 'Special High-Performance'
* Hydraulic Lifter
* Very Good Throttle Response
* Great Power Curve
* Adequate Vacuum For Power-Brakes
* Lumpy Performance
* 800 RPM Idle
* 70* Overlap
* 4-Speed Transmission Only Application from the Factory
* Range 2400 to 5800 RPM's

General Analysis
* Pulls like a Freight Train above 5000 RPM's
* Poor Performer below 2000 RPM's
* Works well with 11.0 Compression-Ratio, 2.02" Cylinder Heads and Aluminum Dual-Plane High-Rise Intake
* Matches well with Factory Dual-Exhaust 2.5" Exhaust Pipe System
* Compatible with the {special factory calibrated} 'Holley' {585 CFM} Carburetor.
* Requires a 2500 RPM Stall-Converter for Automatic Transmission.