347 CUBIC INCHES 405 HP SEALED CRATE ENGINE

This part is no longer available.
347 CUBIC INCHES 405 HP SEALED CRATE ENGINE
M-6007-347NST
Instruction Sheet
Not Available
  • 347 cubic inches
  • 405 hp @ 6000 rpm (with headers, and a 650 CFM Holley carburetor not included)
  • 10.0:1 Compression ratio (nominal)
  • Forged pistons
  • Forged steel cap screw connecting rods
  • Hydraulic roller camshaft M-6250-F303, .528" lift intake and exhaust, duration at .050" is 226 degrees intake and exhaust
  • Double roller timing chain set M-6268-A302
  • High-performance rear sump circle track oil pan
  • Forged steel crankshaft
  • MSD billet distributor
  • Ford Racing aluminum "Z" cylinder heads M-6049-Z304DA with 2.02" intake valves and 1.60" exhaust valves
  • 1.65 ratio roller rocker arms M-6564-F351
  • Single plane Victor Jr. intake manifold M-9424-D302
  • New heavy-duty race block, oil and water pumps, performance oil pan, and high-performance harmonic damper
  • Depending on your application, a different timing cover, water pump, performance oil pan and pickup may be required. See installation notes
  • Engine is sealed for circle track competition where rules allow
  • Engine is internally balanced, "0" balance flywheel required
  • Flywheel is not included
  • Designed for use in NASCAR Late Model Series
  • Same as M-6007-D347SR except cam timing change to conform with NASCAR rules INSTALLATION NOTES: See engine installation and tuning tips on page 40. Some or all of the following items may need to be changed from your original engine or modified for proper installation:
  • This engine has a rear sump performance oil pan and pickup, regular rotation timing cover and regular rotation water pump, and non-EFI valve covers.
  • A different performance oil pan and pickup may be required for your application. Call the Techline at (800) FORD788 for more information.
  • The timing chain cover will work with most regular rotation water pumps.
  • Fuel pump eccentric M-6287-B302 installed, allows use of mechanical fuel pump
  • A standard rotation water pump is installed on the engine. Other applications may require different water pumps and timing chain covers found on pages 97-98.
  • The valve covers M-6582-R302 should fit most non-EFI applications, optional valve covers (sold separately) are available on pages 118-120.
  • The damper M-6316-C351 with counterweight removed may require a spacer for pulley alignment, see page 85.
  • The flywheel (M-6375-D302) not included should work for most 157-tooth manual transmission applications. For other transmission applications use the proper "0" balance flywheel, see pages 127-128.
  • Firing order 1-3-7-2-6-5-4-8 (5.0L HO and 351W order).
  • Built with current available parts. Photo and specs may vary.
  • Shipping weight approximately 475 lbs. See Also...
  • Crate Engine Build-Up
  • Engine Tips & Specs
  • Crate Engine Catalog
Part Type
Engine: Complete Engines
Warranty Availability
Not Available
Package Dimensions
36" x 39" x 39"
Package Weight
534 lb(s)
UPC Code
756122096369
Country of Origin
United States