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Instruction Sheets for Part Number SUM-8934
Charts & Guides for Part Number SUM-8934
Summit Racing Equipment® Pro BBF Hydraulic Roller Cams
Pro BBF Big Block 385 Ser. Best Hydraulic Roller Cam 5, 236/248 Duration, 111 LSA + 5 Adv. .582/.582 lift 1.75 ratio, 3,300 to 6,700 basic rpm 429 460
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Overview
Brand:
Manufacturer's Part Number:
SUM-8934
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8934
UPC:
190861363533
Cam Style:
Hydraulic roller, Retro-fit
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
The H.R. 5 cam works with 3.73+ gears and a 3,200+ stall converter. Very Choppy for use as a mean weekend driver. Headers and free flowing mufflers required.
Basic Operating RPM Range:
3,300-6,700
Intake Duration at 050 inch Lift:
236
Exhaust Duration at 050 inch Lift:
248
Duration at 050 inch Lift:
236 int./248 exh.
Advertised Intake Duration:
291
Advertised Exhaust Duration:
301
Advertised Duration:
291 int./301 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:
The lift is higher than stock and may require cutting guides to get adequate retainer to seal clearance. Note slightly higher LSA and cam advance are ground-in by design. It's highly recommended to run the car at the track before altering 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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Some parts are not legal for use in California or other states with similar laws / regulations
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