Oldsmobile Hydraulic Flat Tappet Camshaft
Out of stock
SKU
56266
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Performance level 4 - Ultra-Performance Compu-Pro - 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 must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must.
INT/EXH - Dur @ .050” Lift: 247°/251° RR: 1.6/1.6 Gross Lift: .546”/.557” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500
Performance level 4 - Ultra-Performance Compu-Pro - 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 must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must.
INT/EXH - Dur @ .050” Lift: 247°/251° RR: 1.6/1.6 Gross Lift: .546”/.557” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500
$239.76
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Part Number
56266
Engine Make
Oldsmobile
Year
1967-up
Part Class
Camshaft
Camshaft Name
Ultra-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
311/316
Duration @ .050" Lift: Intake / Exhaust
247/251
Lobe Lift: Intake / Exhaust
.341/.348
Rocker Ratio: Intake / Exhaust
1.6/1.6
Gross Valve Lift: Intake / Exhaust
.546/.557
CID
455
Performance Level
4
Low RPM
2000-2200
Peak HP
6000-6200
Redline
6500
Performance Description
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
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
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
311HDP
Recommended Kit #1
84157
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