Oldsmobile Hydraulic Flat Tappet Camshaft
Out of stock
SKU
56264
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Performance level 3-4 - High Performance Compu-Pro - Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Works well with automatic transmission if matched with proper ring and pinion gears and/or high stall converter.
INT/EXH - Dur @ .050” Lift: 229°/236° RR: 1.6/1.6 Gross Lift: .520”/.528” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500
Performance level 3-4 - High Performance Compu-Pro - Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Works well with automatic transmission if matched with proper ring and pinion gears and/or high stall converter.
INT/EXH - Dur @ .050” Lift: 229°/236° RR: 1.6/1.6 Gross Lift: .520”/.528” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500
Manufacture Days
28
$239.76
Part Number
56264
Engine Make
Oldsmobile
Year
1967-up
Part Class
Camshaft
Camshaft Name
High Performance Compu-Pro
Camshaft Series
Compu-Pro
Engine Type
V8
Engine Size
260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Product Type
Hydraulic Flat Tappet
Valve Lash
.000" intake and .000" exhaust
Lobe center
112
Advertised Duration: Intake / Exhaust
284/290
Duration @ .050" Lift: Intake / Exhaust
229/236
Lobe Lift: Intake / Exhaust
.325/.330
Rocker Ratio: Intake / Exhaust
1.6/1.6
Gross Valve Lift: Intake / Exhaust
.520/.528
CID
455
Performance Level
3
Low RPM
1600-1800
Peak HP
4500-4800
Redline
6000
Performance Description
Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance
Engine Application
Level 3 camshafts are designed for moderately modified engines. Intended for performance hot street/strip and performance marine applications.
Recommended Modifications
These higher lift and longer duration camshafts demand close attention to rear end gearing and tire diameter combinations. The secret here is to pick a ring and pinion gear set and tire diameter that keeps the engine in its optimum rpm power range. Automatic transmissions with an aftermarket high stall torque converter and manual transmissions. Headers, dual exhaust, larger than stack carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Mild porting and larger valves will improve performance.
CID #2
350
Performance Level 2
4
Performance Description 2
The following grinds are best suited for dual purpose hot street/drag strip situations. These cams exhibit strong mid-range and top end torque and horsepower. Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a mu
Engine Application 2
Level 4 camshafts are designed for heavily modified engines. They have a definate lope at idle and are best suited for dual purpose hot street/drag strip, hot marine and oval track applications.
Recommended Modifications 2
Headers, dual exhaust, large cfm carburetor, performance ignition and increased compression of 10.25:1 and above is required. Cylinder head modifications would be beneficial. Use with automatic transmission with high stall torque converter or manual transmission. Close attention to proper ring and pinion gear set and tire diameter is imperative.
Grind Number
284HDP
Recommended Kit #1
84057
Manufacture Days | 28 |
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