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Instruction Sheets for Part Number SUM-8917
Summit Racing Equipment® Pro BBF Hydraulic Roller Cams SUM-8917
Part Number: SUM-8917
Summit Racing Equipment® Pro BBF Hydraulic Roller Cams
Pro BBF Big Block FE Best Hydraulic Roller Cam 3, 224/236 Duration, 111 LSA + 4 Adv. .582/.582 lift 1.75 ratio, 3,400 to 6,600 basic rpm, 390 428
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Overview
Brand:
Manufacturer's Part Number:
SUM-8917
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8917
UPC:
190861363458
Cam Style:
Hydraulic roller, Retro-fit
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
The H.R. 3 cam works with factory gears and converter, but a higher stall is recommended for full-effect. It has a Serious Lope and is good for weekend drivers. Headers and free flowing mufflers recommended.
Basic Operating RPM Range:
3,400-6,600
Intake Duration at 050 inch Lift:
224
Exhaust Duration at 050 inch Lift:
236
Duration at 050 inch Lift:
224 int./236 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
291
Advertised Duration:
278 int./291 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.582 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.582 in.
Valve Lift with Factory Rocker Arm Ratio:
0.582 int./0.582 exh.
Lobe Separation (degrees):
111
Camshaft Gear Attachment:
1-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Rotation:
Clockwise
Quantity:
Sold individually.
Notes:
Most have additional lift so modern beehive or small diameter dual springs and valve guide cutting may be required. Note slightly higher LSA and cam advance are ground-in by design. It's highly recommended the car be run down the strip before making any changes to the cam advance. Melonized or composite distributor gear recommended.
Summit Racing Equipment® Pro BBF Hydraulic Roller Cams
Summit Racing Equipment® Pro BBF Hydraulic Roller cams for FE and 385 series 429/460 engines are made with advanced cam lobe designs. Durations/LSA/Advance are valve event driven for consistent power and behavior. Lift is set for compatibility with most aftermarket heads or modified factory heads. Lobe intensity is aggressive without being hard on the valvetrain, which is specifically designed for stability at high-RPM with modern Beehive and lightweight small-diameter dual-springs. Cam and lobe quality is second to none starting with hardened bearing steel billets and grinding on a Landis 3L. Select the cam model designed for your application.
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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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