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Oldsmobile
INSTALLATION NOTES:Operating Range 1500-6500 RPM Duration Advertised 290° Intake/300° Exhaust Duration @ .050'' 224° Intake/234° Exhaust Lift @ Valve .496'' Intake/.520'' Exhaust Lift @ Cam .310'' Intake/.325'' Exhaust Lobe Separation Angle 112° Intake Centerline 107° Intake Timing @ .050" Open 5° BTDC
Close 39° ABDCExhaust Timing @ .050" Open 54° BBDC
Close 0° ATDCVacuum @ 1000RPM Idle 12" - Do not use late model timing chain and gear sets that are designed for emission-controlled engines. They are machined in a retarded position and are not recommended for this camshaft installation. Use Performer-Link Timing Chain Gear Set 350-7813.
- Do not use high pressure valve springs. Use recommended Edelbrock valve springs 350-5712.
- Use stock ratio rocker arms only.
- Adjustable pushrods or rocker arms required.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Specifications:
Part TypeProduct LineAdvertised Duration290 int./300 exh.Advertised Exhaust Duration300Advertised Intake Duration290Assembly Lubricant IncludedYesBasic Operating RPM Range1,500-6,500Cam StyleHydraulic flat tappetComputer-Controlled CompatibleNoDuration at 050 inch Lift224 int./234 exh.Engine Make/SizeOlds 307-403Exh. Duration @ .050 in. (Deg)234Exh. Duration Advertised (Deg)300Exhaust Duration at 050 inch Lift234Exhaust Valve Lift0.52 in (13.208 mm)Exhaust Valve Lift with Factory Rocker Arm Ratio (0.52Gaskets IncludedNoInt. Duration @ .050 in. (Deg)224Int. Duration Advertised (Deg)290Intake Duration at 050 inch Lift224Intake Valve Lift0.496 in (12.598 mm)Intake Valve Lift with Factory Rocker Arm Ratio (i0.496Lifter StyleHydraulic flat tappetLifter TypeHydraulic Flat TappetLifters IncludedYesLobe Separation (Deg)112Locks IncludedNoPackage Depth3.00Package Height25.40Package Width5.50Part CategoryPerformance PartsPart FitmentSemi UniversalPushrods IncludedNoQuantitySold as a kitRPM Range1000-7000Retainers IncludedNoRocker Arms IncludedNoShipping Weight14.60Timing Chain and Gears IncludedNoUsageStreet/PerformanceValve Lift with Factory Rocker Arm Ratio0.496 int./0.520 exh.Valve Springs IncludedNoValve Springs RequiredYesValve Stem Seals IncludedNoVendor Part Number7112 - Overview
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Motor Vehicles
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