Ford Racing 347 Series Sealed Engine Handbook
Issue Date January 25, 2013 Revision #7
No part of this document may be reproduced without the prior agreement and written permission of Ford Racing
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Table of Contents
Page
Factory Seals 3-4
Block 5
Crankshaft 5-6
Connecting Rods 7
Piston 7
Timing Chain 7
Cylinder Heads 8-9
Rocker Arms 10
Lifters 10
D347SR Technical Specs 11-12
S347JR Technical Specs 12-13
Operating and Tune-Up Info 14
Service Info and Specs 14
D347SR Rebuild Specs 15
S347JR Rebuild Specs 15
Tech Inspection Information 16
Z304DA Head Tech Specs 17
7MM Valve Conversion Option 18
Torque Specifications 19
D347SR & D347SR7 Parts List 20-21
S347JR Parts List 22-23
Revision Summary 24-25
Ford Racing 347 Series Specs vs. GM Crates 26
Crankshaft Finishing Photos 27-28
Z304DA Head Identification 29-33
For more information on Ford Racing Sealed Racing engines, contact Mike Delahanty 313-
845-1995 or mdelaha3@ford.com