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Combo 12.
Combo 12 uses the exact same setup as Combo 11, except on a 350 cu. in. engine. This engine makes great HP and torque also. |
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Displacement: |
350 cu. in. |
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Carburetor: |
Holley 600 cfm |
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Heads: |
Air Flow Research 195cc Street |
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Intake: |
Air Flow Research FloPower RPM |
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Camshaft: |
Air Flow Research hydraulic, with 218/223° of duration @ 0.050 in. lift, and 0.460/0.470 in. lift |
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Headers: |
1 5/8 in. |
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Comp. Ratio: |
9.0:1 |
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MAX HP: |
420 @ 5000 |
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MAX Torque: |
435 @ 3800 |
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Combo 13.
Combo 13 is close to Combo 12, but it uses the 190cc Street heads instead of the 195cc version. These heads are supposed to be better suited to the smaller 350 cu. in. small block. Notice that the 270° Magnum is very close to the cam in Combo 12. Perhaps the reason for the power and torque increase is the larger 750 cfm double pumper and extra half-point of compression. |
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Displacement: |
355 cu. in. |
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Carburetor: |
Holley 750 double pumper |
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Heads: |
Air Flow Research 190cc Street |
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Intake: |
Air Flow Research FloPower RPM |
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Camshaft: |
Comp Cams 270° Magnum hydraulic, with 270° of duration, 224° of duration @ 0.050 in. lift, and 0.470 in. lift |
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Headers: |
1 5/8 in. |
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Distributor: |
MSD |
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Timing: |
34° |
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Comp. Ratio: |
9.5:1 |
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MAX HP: |
430 @ 5000 |
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MAX Torque: |
470 @ 4500 |
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Combo 14.
Combo 14 uses the same parts as Combo 13, but a hydraulic roller camshaft is used. The result is 20 more HP with the same amount of torque. |
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Displacement: |
355 cu. in. |
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Carburetor: |
Holley 750 double pumper |
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Heads: |
Air Flow Research 190cc Street |
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Intake: |
Air Flow Research FloPower RPM |
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Camshaft: |
Comp Cams hydraulic roller, with 230/236° of duration @ 0.050 in. lift, and 0.510/0.520 in. lift |
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Headers: |
1 5/8 in. |
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Distributor: |
MSD |
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Timing: |
36° |
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Comp. Ratio: |
9.5:1 |
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MAX HP: |
450 @ 5500 |
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MAX Torque: |
470 @ 4500 |
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Combo 15.
Combo 15 uses a 383 cu. in. engine with 9.5:1 compression and a 750 double pumper. With a 280° hydraulic camshaft and the AFR 190cc Street heads, this combination makes an awesome 471 HP and an incredible 515 ft-lbs of torque. This is the ultimate street engine. |
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Displacement: |
383 cu. in. |
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Carburetor: |
Holley 750 double pumper |
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Heads: |
Air Flow Research 190cc Street |
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Intake: |
Air Flow Research FloPower RPM |
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Camshaft: |
Comp Cams 280° Magnum hydraulic, with 280° of duration, 230° of duration @ 0.050 in. lift, and 0.480 in. lift |
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Headers: |
1 3/4 in. |
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Distributor: |
MSD |
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Timing: |
34° |
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Comp. Ratio: |
9.5:1 |
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MAX HP: |
471 @ 5500 |
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MAX Torque: |
515 @ 4500 |
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Combo 16.
Combo 16 uses the same parts as Combo 15, but with a hydraulic roller camshaft. The awesome 500 HP/ 500 ft-lb mark is almost reached. This is an awesome street engine also. |
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Displacement: |
383 cu. in. |
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Carburetor: |
Holley 750 double pumper |
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Heads: |
Air Flow Research 190cc Street |
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Intake: |
Air Flow Research FloPower RPM |
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Camshaft: |
Comp Cams hydraulic roller, with 230/236° of duration @ 0.050 in. lift, and 0.510/0.520 in. lift |
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Headers: |
1 3/4 in. |
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Distributor: |
MSD |
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Timing: |
36° |
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Comp. Ratio: |
9.5:1 |
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MAX HP: |
491 @ 5500 |
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MAX Torque: |
501 @ 4000 |
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Combo 17.
Combo 17 is the last combination from the AFR web site. This combo uses the same parts as Combo 16, except a more aggressive roller cam is used. This engine is over the 500 HP/ 500 ft-lbs mark—it could easily achieve low 10's in the quarter mile in a Nova, Camaro, Corvette, etc. This engine is one of the most powerful engines on my site and is perfectly streetable. Just imagine what a healthy dose of nitrous could do. |
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Displacement: |
383 cu. in. |
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Carburetor: |
Holley 750 double pumper |
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Heads: |
Air Flow Research 190cc Street |
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Intake: |
Air Flow Research FloPower RPM |
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Camshaft: |
Comp Cams hydraulic roller, with 236/242° of duration @ 0.050 in. lift, and 0.520/0.540 in. lift |
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Headers: |
1 3/4 in. |
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Distributor: |
MSD |
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Timing: |
34° |
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Comp. Ratio: |
9.5:1 |
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MAX HP: |
503 @ 5500 |
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MAX Torque: |
517 @ 4500 |
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