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Instruction Sheets for Part Number EDL-2221
Technical Articles for Part Number EDL-2221
Edelbrock Rollin' Thunder Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 298/302, Lift .520/.520, Ford, Mercury, 289, 302, Each
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Overview
Brand:
Manufacturer's Part Number:
2221
Part Type:
Product Line:
Summit Racing Part Number:
EDL-2221
Item Number:
896346
UPC:
085347022212
Cam Style:
Hydraulic roller, Retro-fit
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
1,500-6,500
Intake Duration at 050 inch Lift:
227
Exhaust Duration at 050 inch Lift:
234
Duration at 050 inch Lift:
227 int./234 exh.
Advertised Intake Duration:
298
Advertised Exhaust Duration:
302
Advertised Duration:
298 int./302 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.520 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.520 in.
Valve Lift with Factory Rocker Arm Ratio:
0.520 int./0.520 exh.
Lobe Separation (degrees):
112
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
This cam is a cast cam and requires a cast or melonized steel distributor drive gear.
Edelbrock Rollin' Thunder Hydraulic Roller Camshafts
Make some noise with Edelbrock Rollin' Thunder hydraulic roller camshafts. Designed to improve horsepower and torque, they feature more aggressive profiles than conventional flat-tappet hydraulic cams without excessive valve overlap. Recommended for high performance street and strip use, Edelbrock Rollin' Thunder hydraulic roller camshafts work best from 1,500 to 6,500 rpm and are performance matched to Edelbrock Total Power Package components for proven performance.
Features Include:
* Performance--roller camshafts generate higher lift velocity and faster valve action for increased horsepower and torque gains
* Drivability--produces great sounding idle with excellent vacuum at idle
* Durability--the smaller surface contact area of roller tappets and their reduced friction, together with stronger camshaft material (hardened steel or iron) ensures longer camshaft life
* Environmental--can use ILSAC GF-4 oil, which lowers emissions and does not require zinc or phosphate oil additives
* Economy--reduced contact friction between the lifter and camshaft can increase fuel economy for better mileage
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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