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Crane Cams Solid Flat Tappet Cam CRN-280901
CRN-280901
Basic Operating RPM Range: 2,600-6,400
Intake Duration at 050 inch Lift: 236
Exhaust Duration at 050 inch Lift: 247
Duration at 050 inch Lift: 236 int./247 exh.
Advertised Intake Duration: 268
Advertised Exhaust Duration: 284
Advertised Duration: 268 int./284 exh.
Intake Duration at 050 inch Lift: 236
Exhaust Duration at 050 inch Lift: 247
Duration at 050 inch Lift: 236 int./247 exh.
Advertised Intake Duration: 268
Advertised Exhaust Duration: 284
Advertised Duration: 268 int./284 exh.
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Description
Cam Style: Mechanical flat tappet
Basic Operating RPM Range: 2,600-6,400
Intake Duration at 050 inch Lift: 236
Exhaust Duration at 050 inch Lift: 247
Duration at 050 inch Lift: 236 int./247 exh.
Advertised Intake Duration: 268
Advertised Exhaust Duration: 284
Advertised Duration: 268 int./284 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.416 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.416 in.
Valve Lift with Factory Rocker Arm Ratio: 0.416 int./0.416 exh.
Lobe Separation (degrees): 113.5
Intake Valve Lash: 0.012 in.
Exhaust Valve Lash: 0.018 in.
Computer-Controlled Compatible: No
Grind Number: Blueprinted 541596
Basic Operating RPM Range: 2,600-6,400
Intake Duration at 050 inch Lift: 236
Exhaust Duration at 050 inch Lift: 247
Duration at 050 inch Lift: 236 int./247 exh.
Advertised Intake Duration: 268
Advertised Exhaust Duration: 284
Advertised Duration: 268 int./284 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.416 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.416 in.
Valve Lift with Factory Rocker Arm Ratio: 0.416 int./0.416 exh.
Lobe Separation (degrees): 113.5
Intake Valve Lash: 0.012 in.
Exhaust Valve Lash: 0.018 in.
Computer-Controlled Compatible: No
Grind Number: Blueprinted 541596
Details
- CRN-280901
- CRN-280901
- Crane Cams
- New
Categories
Shipping Information
- Item Requires Shipping
- 10.0 lbs.
Customer Reviews
Total Reviews (1)
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Reviewed by: Craig03/04/2023 04:24PM
Product ownership: A year or longer
Not purchased from: Butler Performance Inc.Comments:
If a person looks at the specs of this cam it would seem hopelessly outdated. However, we have one in a 455 street / strip engine with 12 to 1 CR and 2 four barrel carbs. This cam does everything great, yes it is "rough" idle but with proper tuning it idles just fine with 13 inHg. This cam pulls hard from idle to red line. It works with high lift rockers in stock Pont heads with the limited push rod travel (ALWAYS check this on Pont). If your engine has very healthy CR this cam works great, even in traffic! Here is a "no kidding"; -the car gets over 20 MPG with this cam if it is driven normally. It is the same or very close to the McKellar #10 cam and it would seem Pontiac actually knew what they were doing with cams. C.A.Ripp.