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Step 2 - Choose The Right 383 Cubic Inch
American Speed’s Dyno Tuned Hi-Performance Chevy Engines are custom built with the best possible parts at the best possible price to deliver the most driveable performance possible. Every engine from 275 hp and up is dyno tested, tuned and broken in before shipping. If you order one of our carburetors or ignition systems they will be set up and dyno tuned on your engine. Our efforts on the dyno can save you countless hours of headaches and guessing trying to tune your engine. We believe every customer should get the actual horsepower, performance and driveability they are paying for whether it’s a hi-performance street engine or a blown race engine. We don’t Sim Test or ”Run Engines In.” We actually dynometer test every engine under a load to verify actual horsepower, torque, reliability and thoroughly check engine for leaks and irregularities. Actual dyno testing will pin point any problems before they can occur. American Speed guarantees horsepower figures to within 1% of advertised. Every customer gets a computer printout of their engines performance. American Speed offers you more real value and performance for your dollar. Carbureted, fuel injected Turn Key engines are available.

All engines are sold as ”long blocks” complete from intake manifold to oil pan. Accessories are extra cost.
Engine Name Description Horsepower Price
383 CID Enforcer 525 engine 4 bolt main block, Comp cams hyd. roller cam, 195 CNC ported AFR aluminum cyl. heads, Edelbrock RPM intake manifold, Eagle steel crankshaft, forged pistons, 6.0" Eagle steel rods, 9.8 comp. 525 hp $7895.00
383 CID Enforcer 550 Engine 4 bolt main block, Comp Cams hyd. roller cam, 195 CNC ported AFR aluminum cyl. heads, Edelbrock RPM intake manifold, Eagle steel crankshaft, 6.0" Eagle steel rods , 9.8 comp. 550 hp $8150.00
383 CID Brutus 650 Supercharged engine 4 bolt main block, BDS 6-71 Supercharger, AFR CNC ported cyl. heads, Eagle 4340 steel crankshaft, H beam rods, Comp Cams roller cam, 6.0" ASE 4340 steel rods, 2 Pro Systems 750 carbs, Mallory digital dist., Edelbrock alum. water pump, JE 8.0 comp. pistons, 650 hp $15,900.00
383 CID Enforcer 355 engine New 4 bolt main block, ASE 268 hyd. cam, Dart S/S cast iron cyl. heads, Edelbrock Performer intake manifold, 8.5 comp. 355 hp $5795.00
383 CID Enforcer 375 engine New 4 bolt main block, ASE 280 hyd. cam, Dart S/S cast iron cyl. heads, Edelbrock Performer intake manifold, 9.2 comp. 375 hp $5795.00
383 CID Enforcer 400 engine New 4 bolt main block, ASE 280 hyd. cam, Edelbrock RPM aluminum cyl. heads, Edelbrock Performer intake manifold. 400 hp $6100.00
383 CID Enforcer 425 engine New 4 bolt main block, ASE 284 hyd. cam, Edelbrock RPM aluminum cyl. heads, Edelbrock Performer intake manifold, forged pistons, 5.7" steel rods, 9.6 comp. 425 hp $6495.00
383 CID Enforcer 450 engine New 4 bolt main block, ASE 234 hyd. cam, RHS aluminum cyl. heads, Edelbrock RPM intake manifold, forged pistons, 5.7" steel rods, 9.8 comp. 450 hp $6695.00
383 CID Enforcer 480 engine New 4 bolt main block, ASE 234 hyd. cam, 180 CNC ported AFR aluminum cyl. heads, Edelbrock RPM intake manifold, forged pistons, 5.7" steel rods, 9.8 comp. 480 hp $6995.00
383 CID Enforcer 500 engine New 4 bolt main block, Comp cams hyd. roller cam, 195 CNC ported AFR aluminum cyl. heads, Edelbrock RPM intake manifold, forged pistons, 6.0" Eagle steel rods, Eagle steel crankshaft, 9.8 comp. 500 hp $7495.00

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 American Speed Enterprises, Inc.  3006 Avenue of the Cities,  Moline, IL 61265  Telephone: 309-764-3601  FAX: 309-764-2786

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