Use with high stall torque converter only.
Will not work with stock valve springs.
|Operating Range||1500-6500 RPM|
|Duration Advertised||299° Intake/302° Exhaust|
|Duration @ .050''||235° Intake/238° Exhaust|
|Lift @ Valve||.573'' Intake/.582'' Exhaust|
|Lift @ Cam||.358'' Intake/.364'' Exhaust|
|Lobe Separation Angle||112°|
|Intake Timing @ .050"|| Open 11° BTDC|
Close 44° ABDC
|Exhaust Timing @ .050"|| Open 56° BBDC|
Close 2° ATDC
Important Application Information:
Rollin Thunder Hydraulic Roller cams are for street high-performance and racing applications 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 torque converter (in auto. transmission equipped vehicles) are necessary.
will this fit with stock heads on my 302w in my 1978 f150
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