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> MOTOWN 427 / 520HP
MOTOWN 427 / 520HP

Q:
How do I buy a Bill Mitchell Engine,
Short Block or Rotating Assembly?
 
A:
They are available ONLY
from a World Products Engine Builder!

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The ONLY way to buy one of our engines is from one of our Engine Builders. We do not stock Crate Engines, Short Blocks, Long Block or Rotating Assemblies, our Engine Builders build them one at a time especially for you. Please choose one from this website and contact one of our Engine Builders to buy it directly from them.
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World Products’ MOTOWN Engines are the standard for the majority of serious performance enthusiasts who favor small block Chevrolet engines, and for good reason. With a 4.125” bore and 4.000” stroke this popular 7 liter engine combination delivers huge power and torque with total reliability.

World Products’ MOTOWN Engines are available in many configurations, including a 495 hp street motor to a 680 hp high compression race engine. Each engine is dyno tested and all street engines are backed by a 2 year/24K mile limited warranty.

For those who with to reduce engine weight by almost 100 lbs. World offers an aluminum block option. This is ideally suited for those who seek optimum acceleration, braking and handling.


TECHNICAL SPECS

Engine Block: Motown II cast iron or Motown aluminum
Deck Height: 9.025”
Bore/Stroke: 4.125” x 4.000” Main Caps: 4-bolt nodular splayed
Cylinder Heads: Motown 220cc casti iron or Motown 235cc aluminum
Valves: Manley stainless steel
Intake Manifold: Motown
Carburetor: AED (custom spec)
Distributor: MSD E-Curve
Timing Chain: Double roller
Crankshaft: 4340 Eagle/Scat internally balanced
Connecting Rods: 4340 Eagle/Scat
Pistons: Manley/Mahle
Gaskets: Felpro
Internal Hardware: ARP
Totally Stainless Oil Pan: Moroso
Firing Order: 18436572
Compression Ratios Street Engines: 10.1:1 Race Engine: 13.6:1

Engine #101006 SBC 427 / 520HP Street Engine, Aluminum Heads, Hydraulic cam, 4150 carb

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MOTOWN 427 / 520HP
MOTOWN 427 / 520HP MOTOWN 427 / 520HP
 
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#704805 #704805 Engine Horsepower Recipe CD - Motown SBC 427/520HP World Class
$19.95

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