This Information Is Provided to Give You Some idea Of The Power

 To Be Had From These Size Engines.

Dyno Tested Street Packages

Featuring AFR Street Heads, AFR Hydraulic Cams, and AFR Manifolds

  • Efficient Cyclinder Heads + Small Camshaft = Gigantic Torque, Monster Horsepower and Great Street Ability.

  • Compare our Low RPM Torque to the Competition.

  • Don't be fooled by the other packages that require Camshafts 15° to 20° larger at .050 to get near our peak Horsepower

383 cid Small Block Chevy Package

AFR 190cc Street Heads
9.5 to 1 Compression
1 3/4” Headers
AFR FloPower RPM #5029 0-4779 750 cfm Holley Carb
Comp Cams Hyd Roller Cam #12-433-8
MSD Distributor 36° Timing
93° Octane Pump Gas

350 cid Small Block Chevy Package

AFR 180cc Street Heads
9 to 1 Compression
1 5/8” Headers
AFR FloPower RPM #5029 600 cfm Holley Carb
110E Hyd Flat Cam
Intake: .460 lift/218º @ .050, Exhaust: .470 lift/223º @ .050
110 lobe center, 800 RPM idle, 16 lbs. of vacuum

 

 

355ci Chevy Dyno Packages Power at Flywheel

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000

394
411
434
469
470
446
410
356
189
234
288
356
403
424
430
407

 
 

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:
Exhaust:
Fuel:
Manifold
430 HP
355ci
AFR Street 190 Heads
9.5
Holley 0-80779 750 cfm
MSD Distributor 34° Timing
Comp Cams 270 Magnum Hyd. Cam 224 @ .050 Dur  .470 Lift
1 5/8" Headers
93 Octane Pump Gas
AFR #5029
Engine built and dyno tested by AFR

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000
409
419
441
467
470
448
428
375
204
239
298
357
405
424
450
429

 
 

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:
Exhaust:
Fuel:
450 HP
355cid
AFR Street 190 Heads
9.5
Holley 0-4779 750 cfm
MSD Distributor 36° Timing
Comp Cams XR284HR Hyd Roller 230.236 @.050 Dur .502/.520 Lift
1 5/8" Headers
93 Octane Pump Gas

AFR #5029

Street Power Flow Manifold

 

383ci Chevy Dyno Packages Power at Flywheel

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000
432
450
475
513
515
488
449
390
207
257
316
390
441
464
471
446

   

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:
Exhaust:
Fuel:
460 HP
383cid
AFR Street 190 Aluminum Cyl. Heads
9.5
Holley 0-80779 750 cfm
MSD Distributor 34° Timing
Comp Cams 280 Magnum Hyd. Cam 230 @ .050 Dur .480 Lift
1 3/4" Headers
93 Octane Pump Gas

 

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000
448
459
483
501
501
488
469
411
223
262
326
381
429
464
491
470
  
 

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:
Exhaust:
Fuel:
480 HP
383cid

AFR Street 190 Aluminum Cyl. Heads
9.5
Holley 0-4779 750 cfm
MSD Distributor 36° Timing
Comp Cams XR284HR Hyd Roller 230.236 @.050 Dur .502/.520 Lift
1 3/4 Headers
93 Octane Pump Gas

 

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000
457
467
483
511
517
504
481
439
231
273
322
389
443
480
503
502
 
 

   
 

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:
Exhaust:
Fuel:
500 HP
383cid
AFR Street 190 Cyl. Heads
9.5
Holley 0-4779 750 cfm
MSD Distributor 36° Timing
Comp Cams XR288HR Hyd Roller Cam 236/242 @ .050 Dur .520/.540 Lift
1 3/4" Headers
93 Octane Pump Gas

Edelbrock RPM Performer Manifold

 

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000
439
454
487
520
518
503
480
443
226
262
330
396
444
479
503
506

 
 
 
    
 

Dyno Test Criteria

Horsepower:
Engine:
 
Heads:
 
Compression:
Carburetor:
Ignition:
Cam:
Exhaust:
Fuel:
 

500 HP 
383cid
AFR Street 190 CNC Competition Heads
9.4
BG Silver Claw 750 Carb. with 75/83 Jets
MSD 85551 Distributor 36° Timing
Comp Cams XR288HR Hyd Roller Cam 236/242 @ .050 Dur .520/.540 Lift
1 3/4" Headers
93 Octane Pump Gas

Edelbrock RPM Performer Manifold

 

RPM

Torque

H.P.

4000
4500
5000
5500
6000
6500
7000
550
559
570
592
611
587
520
500
510
560
610
692
630
540

    
 
  

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:

Exhaust:
Fuel:

690 HP
383cid Blown with 671 Weiand
AFR 195 Competition Package
7.8
2 Holley 650 Double Pumpers
MSD Billet Distributor 32° Timing
Xtreme Energy Hyd Roller Comp Cams
230°/236° .544-.555 lift 114 Lobe Center
1 3/4 Headers
93 Octane Pump Gas

 

 

413ci Chevy Dyno Packages Power at Flywheel

RPM

Torque

H.P.

4500
5000
5500
6000
6400
6600
6700

532
537
521
491
471
455
445

456
511
546
561
574
572
568

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition/Timing
Cam:
Exhaust:
Fuel:
Manifold:
574 HP
413cid
AFR 195cc Cyl. Heads
10.5 to 1
750 carburator
36° Timing
Custom Solid Roller
1 3/4 Header
92 Octane Pump Gas
Holley #300-25 Extended Runner

 


 
 
 

406ci Chevy Dyno Packages Power at Flywheel

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000
463
468
457
465
534
540
510
483
220
267
304
354
457
514
534
551
 
   
 

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:

Exhaust:
Fuel:
550 HP
406cid
AFR CNC Cyl. Heads 210cc Race Ready
10.3
750 Carb
MSD HEI Billet Distributor 36° Timing
Lunati Hyd. Roller Cams 232°/242°
0560-.570 lift W/ 1.6 Rockers
1 3/4" Headers
93 Octane Pump Gas

 

RPM

Torque

H.P.

4000
4500
5000
5500
6000
6500
7000
447
509
536
523
500
463
419
349
436
510
547
572
573
558


  
 

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Carburetor:
Ignition:
Cam:

Exhaust:
Fuel:
570 HP
406cid
AFR 210cc Competition Package
10.1
750 Carburator
MSD Distributor @ 36° Timing
Lunati Hyd. Roller Cams 242°-252°
.560-.572 lift 112 Lobe Centers
1 7/8" Hedman Headers
93 Octane Pump Gas

 

 

434ci Chevy Dyno Packages Power at Flywheel

RPM

Torque

H.P.

5000
5200
5400
5600
5800
6000
6200
6400
6600
6800
7000
752
766
776
778
786
780
781
776
766
759
751

716
758
798
830
868
891
922
946
963
983
1,001

Dyno Test Criteria

Horsepower:
Engine:
Heads:
Compression:
Cam:
Other Specs:
1,001 HP
434ci Blown ATI 0-2

AFR 210cc Cyl. Heads
10.1
Comp Cams Solid Roller
ATI Supercharger 14psi Peak Boost.

 

 
 
 
 

LT-1 Chevy Dyno Packages
Power to Rear Wheels

RPM

Torque

H.P.

2500
3000
3500
4000
4500
5000
5500
6000

367
384
420
453
478
447
371
279
174
219
280
345
410
425
389
307

Dyno Test Criteria

383 LT-1 AFR Street LT-1 Cyl. Heads,
Blower Cam, 9.0 Compression Ratio,
Procharger 4-5psi Boost.


 
 
 
   

RPM

Torque

H.P.

3000
3500
4000
4500
5000
5500
6000
393
403
441
452
476
463
393
247
268
336
388
453
484
442

Dyno Test Criteria

355 LT-1 AFR Street LT-1 Cyl. Heads
Steel Crank, Pink Rods, 8.4cr 12 psi
Vortech , 6 speed
.474/208° @.50 intake. .510/221° @.50 exhaust
112 Lobe Sep. ASM 1/ 3/4 Headers, 2.4lb.
injectors, Carol Super Fueler.