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AMC 401/408hp

 

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AMC 401 Crate Engine by Tuff Dawg Engines

This AMC 401 crate engine by Tuff Dawg Engines would be EXCELLENT for that AMX, Javelin, Jeep Wagoneer, etc with its 408hp @ 5000rpm and 468ft lb of torque @ 3500 rpm it will set you back in the seat and still has good all around power. In most cases by replacing the carb and flexplate/flywheel this AMC 401 will replace that tired AMC 304 or AMC 360. This engine comes equipped with a Edelbrock Dual Plane Air Gap square bore flange intake that works best with a 750cfm carb (not included) and will run on leaded or unleaded Premium pump fuel.

The balanced rotating assembly (typically includes crankshaft, pistons, rings, connecting rods, rod bearings, and balancer) featured in this engine:

  • 3.680" stroke forged steel crank
  • 5.858" forged connecting rods reconditioned with ARP rod bolts
  • 9.8 to 1 compression pistons

More special features of this engine include:

  • Block is sonic tested
  • Forged steel crankshaft
  • New CompCam Hydraulic flat tappet cam
  • 58cc heads with 2.02"Int/1.600"Exh valves
  • New 1.440" high performance springs setup to match cam
  • New Screw-in rocker studs
  • New roller tipped rocker arms
  • New Hardened push rods
  • New Perfect Circle rings
  • New Double row timing set
  • New Brass expansion plugs
  • New Edelbrock RPM Air Gap aluminum intake manifold - The Air Gap design features an open air space that separates the runners from the hot engine oil that results in a cooler, denser charge for more power. This intake also has provisions for the oil filler tube and the popular 3/4" PCV valve
  • Oiling modifications include a front to rear steel oil tube - This steel tube takes oil from the front of the block to the rear of the block where it is needed most.
    Gallery to gallery equalization tube in the rear of the block.
    Lifter valley drilled for faster oil return to the oil pan.
    New Milodon 8 quart oil pan with 9" rear sump that improves performance through increased capacity and strategically placed horizontal baffling for oil control and fits in all applications that originally had V8 engines (including Jeep)
  • All parts are painted separately before assembly for that show quality look

This engine comes completely assembled with Milodon 8 quart oil pan, timing cover, harmonic balancer, chrome valve covers, and an Edelbrock Dual Plane Air Gap aluminum intake manifold.

Hear this engine run!

This engine is custom built from start to finish in our state of the art facility by professionals that take pride in their work to guarantee that you get a top quality engine the first time!.

This engine is covered by a 1 year written warranty.
(There is no warranty when using a Blower, Turbo, Super Charger or NOS)

If you have any questions regarding this item please call us at
D&J Machine & Performance Engines
(602) 395-0800 Mon-Fri 8:00AM to 5:00PM MST

Current Phoenix Time
NOTE: Arizona does not observe Daylight Savings Time
or email us at enginebuilder_1

Purchasing
Purchasing

How to purchase this Tuff Dawg Engine

 

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