PRODUCTS
INFORMATION
Catalogs Online
2010 New Products Catalog
Master Reference Guide
2009 New Products Catalog
3 Valve Brochure
Thumpr Brochure
2008 New Products Catalog
Cam Lobe Master Catalog
Look Inside COMP Cams®
The COMP Cams® Story
Research & Development
Product Support Information
Employment Opportunities
Contact Us
Privacy Policy
Media Relations
Ad Archive
Logo & Image Downloads
Video Library
What's New
Sales Rep Sign-In
COMMUNITY
Current Contigency Program
Downloads
Screensavers & Wallpaper
Free CamQuest™ 6 Download
Resources
Articles From Magazines
CPG Nation™
Performance Product Review™
Customer Testimonials
Join Our Mailing List
Special Projects
'69 Camaro BuildUp
'69 Mustang BuildUp
Events
Event Schedule
2008 Grass Roots Nationals
2008 Million Dollar Bracket Race
2008 Mopar Muscle Engine Challenge
2008 Hot Rod Power Tour
2008 Hot Rod Pump Gas Drags
2007 Hot Rod Power Tour
2007 Hot Rod Pump Gas Drags
2006 Mopar Muscle Engine Challenge
2006 Hot Rod Drag Week
2006 Hot Rod Power Tour
2006 Hot Rod Pump Gas Drags
Street Rodder Magazine & FAST™
Dave McClelland Visits COMP Cams®
Clay Millican At Graceland
2005 Sema Updates
2005 Mopar Muscle Engine Challenge
2005 Hot Drag Week
2005 Hot Rod Power Tour
2005 Hot Rod Pump Gas Challenge
2004 Hot Rod Pump Gas Challenge
TECH PAGES
Camshaft Sounds
XM-278
Magnum 280
Magnum 292
XER-287HR-12
XER-273HR-14
XR-269HR-14
XR-275HR-12
Charts, Graphs, & Specs
Cam Specs
Dyno Sheets
Cam Cores
Rocker Specs
Valve Spring Chart
Technical FAQ
Camshaft FAQ
Lifter FAQ
Pushrod FAQ
Rocker Arm FAQ
Valve Spring FAQ
Online Cam Help™
Cam Help™ Form
Contact Us
CamQuest™ 6
Warranty Registration
Technical Info
Chrysler Tech Info
Ford Tech Info
General Motors Tech Info
Flat Tappet Cam Tech Bulletin
Instructions
Lobe Separation Angle
Magazine Product Articles
Power Engineered Systems
Power & Performance News™
Valve Spring Tech Info
Valve Timing Tutorial
Valve Train Geometry
VIDEOS
SHOP
Return to Store Item
Printer Friendly Spec Card
Description
Part Number:
Grind Number:
Lifter Type:
Hydraulic Roller
Engine Family:
FORD 4.6L & 5.4L SOHC MODULAR 3-Valve (2004-PRESENT)
Description:
MUTHA' THUMPRâ„¢ - Very rough idle, biggest cam for stock heads. Great power above 4900 rpm. Compatible with stock valve springs, benefits from converter & gears, requires cam phaser upgrade & custom tuning.
Cam Family:
Thumprâ„¢ NSR Ford 4.6L/5.4 Modular 3V Cams
Specifications
Intake
Exhaust
RPM-Range:
Valve Lash:
Valve Timing:
Duration:
Lobe-Center Angle:
Duration @ .050" Lift:
Intake Centerline:
Valve Lift:
Lobe Lift:
Installation Notes
Valve Timing @
N/A
" Lift:
Open
Close
Intake
Exhaust
BTDC
ABDC
BBDC
ATDC
Recommended Components
Complete K-Kit
Cam, Lifter & Gear GK-Kit
Small SK-Kit
Cam & Lifter CL-Kit
N/A
N/A
N/A
N/A
Rocker, Push Rod RP-Kit
Lifter Kit
Timing Set
Gear Drive
N/A
N/A
N/A
N/A
Rocker Arms
Push Rods
Valve Springs
Retainers
N/A
N/A
Stock
700-24 702-24
Valve Locks
Valve Seals
Lash Caps
Rev Kit
N/A
N/A
N/A
N/A
Distributor Gears
Stud Girdle
RPM kit
Spring Locator
N/A
N/A
N/A
N/A
Cam Phaser Limiter Kit
Spring Seats
Camshaft Break-In Lube
5449
N/A
159
Contact us via email
Return to Store Item