Oldsmobile Hydraulic Flat Tappet Camshaft
Out of stock
SKU
56258
Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Performance level 1-2 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low-end torque in vans, trucks and passenger cars while delivering fuel efficient motoring. High vacuum and smooth idle are characteristic of these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit
INT/EXH - Dur @ .050” Lift: 192°/196° RR: 1.6/1.6 Gross Lift: .429”/.445” LSA: 112° RPM: Idle to 4200 Redline: 4700
Performance level 1-2 - Mileage Compu-Pro - These cams are designed to enhance throttle response and low-end torque in vans, trucks and passenger cars while delivering fuel efficient motoring. High vacuum and smooth idle are characteristic of these profiles. Stock or small cfm carburetor, small diameter tube headers, dual exhaust, and ignition rework are recommended for maximum benefit
INT/EXH - Dur @ .050” Lift: 192°/196° RR: 1.6/1.6 Gross Lift: .429”/.445” LSA: 112° RPM: Idle to 4200 Redline: 4700
$239.76
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Part Number
56258
Engine Make
Oldsmobile
Year
1967-up
Part Class
Camshaft
Camshaft Name
Mileage 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
250/258
Duration @ .050" Lift: Intake / Exhaust
192/196
Lobe Lift: Intake / Exhaust
.268/.278
Rocker Ratio: Intake / Exhaust
1.6/1.6
Gross Valve Lift: Intake / Exhaust
.429/.445
CID
400
Performance Level
1
Low RPM
Idle
Peak HP
3500-3700
Redline
4500
Performance Description
These cams are designed to enhance throttle response and low-end torque in vans, trucks and passenger cars while delivering fuel efficient motoring. High vacuum and smooth idle are characteristic of these profiles. Stock or small cfm carburetor, small dia
Engine Application
Level 1 indicates a good stock replacement camshaft. Intended for stock or near-stock engines and drive trains. These profiles are designed to enhance throttle response and low end torque in vans, trucks, passenger cars and mild marine applications while delivering fuel efficient motoring.
Recommended Modifications
Stock or small CFM carburetors, small diameter tube heads and dual exhaust is recommended for maximum benefit. 8.5:1 compression, 2.70 to 3.25 ring and pinion, automatic transmissions with stock converter or manual transmission.
CID #2
403
Performance Level 2
1
Performance Description 2
These cams are designed to enhance throttle response and low-end torque in vans, trucks and passenger cars while delivering fuel efficient motoring. High vacuum and smooth idle are characteristic of these profiles. Stock or small cfm carburetor, small dia
Engine Application 2
Level 1 indicates a good stock replacement camshaft. Intended for stock or near-stock engines and drive trains. These profiles are designed to enhance throttle response and low end torque in vans, trucks, passenger cars and mild marine applications while delivering fuel efficient motoring.
Recommended Modifications 2
Stock or small CFM carburetors, small diameter tube heads and dual exhaust is recommended for maximum benefit. 8.5:1 compression, 2.70 to 3.25 ring and pinion, automatic transmissions with stock converter or manual transmission.
Grind Number
250HDP
Recommended Kit #1
84057
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