
Rollin' Thunder Hydraulic Roller Camshaft for 1957-1986 Small Block Chevy
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- Rollin' Thunder Hydraulic Roller Camshaft
- 1957-1986 Small Block Chevy 265-350ci
- Lift: .462''/.479''
- Duration @ .050: 212°/222°
- Advertised Duration: 280°/290°
- Idle-5500 RPM Range
Cam Notes: This camshaft works great when matched w/Performer EPS intake manifold p/n 350-2716,Performer carb p/n 350-1407, and Performer E-Tec cylinder heads p/n 350-60979; this combo produces364 HP / 402 ft.-lbs. of torque. Matching Edelbrock roller tappet lifter set p/n 350-97423Open 1° BTDC
Close 33° ABDCExhaust Timing @ .050" Open 48° BBDC
Close 6° ATDCImportant Application Information:
INSTALLATION NOTES:
Rollin Thunder Hydraulic Roller cams are for street high-performance and racingapplications only - not for heavy vehicles. Use with Edelbrock Performer RPM heads(or other aftermarket heads), adjustable valvetrain components, screw-in studs, high performance adjustable rocker arms and at least 9.5:1 compression ratio. Headers,high-energy ignitions, lower-than-stock rear gearing and a high-performance torqueconverter (in auto. transmission equipped vehicles) are necessary. - 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 350-7800, 7802, 350-7890 Accu-Drive, or Hex-A-Just 350-7331.
- Do not use dual valve springs. Use recommended Edelbrock Valve Springs 350-5703.
- Must be used with a thrust button
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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
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