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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Valve spring closed pressure 130 lbs. @1.800"
Valve spring open pressure 313 lbs. @ 1.175"
Retainer Part Number M-6514-BH (Steel)
Valve lock angle 10 degrees
Valve lock – 11/32”/7MM M-6518-BH/13171-8
Rocker Arm M-6564-F351 Aluminum Roller - 1.65:1
Valve lash ½ to ¾ turn maximum
Intake Manifold Edelbrock Victor Jr. M-9424-D302
Technical Specifications M-6007-S347JR Sealed Crate Engine
Engine Part Number M-6007-S347JR
Displacement 347 cubic inches
Block M-6010-BOSS302 Cast Iron; 4 Bolt Main (center 3)
Bore/Stroke 4.030"/3.400"
Crankshaft M-6303-C340 Forged Steel Internally Balanced
Main journal size 2.250"
Rod journal size 2.123"
Stroke 3.40"
Weight 49.0 lbs. +/- 0.5 lbs.
Balance offset Neutral balance
Part number/Manufacturer SCAT 432300105090
Connecting rod Center to center length 5.400"
Material Forged Steel
Floating or press fit Floating
Connecting rod PN/Manufacturer SCAT 2-1CR5400-927
Piston manufacturer Mahle
Bore 4.030"
Dish or dome volume 6 cc effective dish
Ring set part number Mahle supplied
Compression height 1.090"
Weight Individually balanced
Pin oiling type Thru ring
Pin bore diameter 0.927"
Piston part number SBF090030F06
Piston material Forged aluminum 4032
Timing set part number M-6268-A302
Cylinder head M-6049-X306 OR M-6049-X307
Head material Aluminum
Intake valve Ford Racing M-6507-J302
Intake valve head diameter 1.940"
Intake valve length 5.078"
Intake valve material stainless steel – swirl polished w/ undercut stem
Intake valve stem diameter 0.343"
Exhaust valve Ford Racing M-6505-G302
Exhaust valve head diameter 1.540"
Exhaust valve length 5.078"
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