Ford 331 4x4 Stroker Crate Engine by Tuff Dawg Engines

FORD 331 STROKER ENGINE
302 Stroker Engine For 4x4 Bronco

If you are looking to upgrade that old, tired Ford 289 or Ford 302 in your 1966 to 1976 Bronco this Ford 331 stroker crate engine by Tuff Dawg Engines is the answer. Using a Holley 4 barrel carb bolt pattern, this Ford 331 stroker engine will bolt right in place of your old 289 or 302 engine to wake up your Bronco and give it more power than it ever has had! This Tuff Dawg high performance engine puts the focus on low and midrange power, exactly where needed most in a 4x4. This engine works best with a Holley 570cfm Street Avenger carb for street and mild four wheeling. For those of you that get your Bronco on different angles when four wheeling we recommend using the Holley 570cfm Truck Avenger.

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

• 3.250" cast steel crank (use with 28oz flexplate or flywheel)
• 5.400" rods with ARP rod bolts
• 9 to 1 compression forged pistons

More special features of this engine include:

• Seasoned block that has been vatted, magnafluxed for cracks, thermal cleaned and steelabrated, bored, honed and plateau honed to fit new flat top forged oversized pistons
• Deck head gasket surface on block to ensure a good long lasting seal
• There are many different piston, rod, and stroke combinations on the market today for the 331 and 347 Ford engines. Our combination has the longest rod length possible allowing the best rod angle in the market. The longer rod allows the piston to dwell longer at the top and bottom of the cylinder for a greater fuel/air charge. The forged piston we use is designed with the rings close to the top of the piston, allowing less gasses to get trapped in between the piston and cylinder wall minimizing detonation by allowing a cleaner, hotter burn. This is simply not possible with many of the other combinations available today. The oil ring on our engine does not intersect into the wrist pin making it a more reliable, stronger ring having less chance to flex and use oil like many other widely used combinations. We have seen many engines using these other combinations that have failed prematurely due to the poor oil ring land design that shortens engine life. So before you build or buy a stroker motor, do your homework, we have!
• New Hydraulic flat tappet cam to put the focus on low end and midrange power
• Cast iron heads have 3-angle valve job
• Heads have 1.780"Int/1.450"Exh valves
• Both heads have been resurfaced to ensure a good long lasting seal
• New Hardened exhaust seats for use with leaded or unleaded fuel
• New High performance springs set up to match cam
• New Valve seals
• New Valve guides
• New Screw-in rocker studs
• New 1.6 roller tip rocker arms with balls and nuts
• New Oversize pistons and rings
• New Heavy duty double row timing set
• New High volume oil pump
• New Revolutionary 1-pc design molded rubber oil pan gasket with load limiters to prevent over-tightening and higher temperature resistance than standard cork-rubber gaskets
• New Brass expansion plugs
• New Main and rod bearings to fit 3.250" stroke crankshaft
• New Edelbrock Performer aluminum intake manifold
• All parts are painted separately before assembly for that show quality look

This engine comes completely assembled with rear sump oil pan, dipstick and dipstick tube, timing cover, harmonic balancer, valve covers, and Edelbrock aluminum intake manifold.

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!.

Here at D&J MACHINE & PERFORMANCE ENGINES we have over 34 years experience in building top quality affordable, streetable, performance engines.

Purchase:

$3395.00. AZ residents add 8.3% tax. No core required!

Shipping:

FREE shipping to your home or business address that is accessible by a tractor trailer rig!

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