
Rollin' Thunder Hydraulic Roller Camshaft for 1987-Later Small Block Chevy 283-400
- Rollin' Thunder Hydraulic Roller Camshaft
- 1987-Later Small Block Chevy 283-400ci
- Lift: .539''/.548''
- Duration @ .050: 234°/238°
- Advertised Duration: 296°/300°
- Wide Lobe Center
- 1500-6500 RPM Range
Cam Notes: This wide lobe center camshaft works great when matched with Pro-Flo XT EFIsystem p/n 350-3528 , and Performer E-Tec cylinder heads p/n 350-60979; this combo produces440 HP / 425 ft.-lbs. of torque.
Use with high stall torque converter only.
Use only stock ratio rocker arms.Open 7° BTDC
Close 47° ABDCExhaust Timing @ .050" Open 57° BBDC
Close 1° ATDCImportant Application Information:
INSTALLATION NOTES: 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 350-7801.
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.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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