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Chevy Small Block Dyno Tests - Old School Meets New

Cam I
Headers13/4 Hooker long-tubes
Fuel91-octane unleaded
Advance31 degrees
Max torque @ rpm523.4 lb-ft @ 5,100
Max power @ rpm562.8 hp @ 6,400
Average torque 483.7 lb-ft
Average power418.9 hp
RPM LB-FTHP
2,600426.2211.0
2,700422.1217.0
2,800421.0224.5
2,900425.1234.7
3,000433.4247.5
3,100440.5260.0
3,200447.5272.6
3,300455.2286.0
3,400460.4298.0
3,500462.7308.4
3,600464.6318.4
3,700468.2329.9
3,800473.9342.9
3,900481.6357.6
4,000488.9372.3
4,100495.1386.5
4,200499.3399.3
4,300502.2411.2
4,400504.7422.9
4,500508.0435.2
4,600511.2447.8
4,700514.6460.5
4,800518.3473.7
4,900521.2486.2
5,000522.9497.8
5,100523.4508.2
5,200522.1516.9
5,300520.1524.8
5,400517.9532.5
5,500515.5539.9
5,600512.0545.9
5,700507.7551.0
5,800502.2554.6
5,900496.5557.8
6,000489.8559.6
6,100482.1559.9
6,200475.6561.5
6,300468.1561.5
6,400461.8562.8
6,500~~
6,600~~
6,700~~
6,800~~

Cam II
Headers13/4 Hooker long-tubes
Fuel91-octane unleaded
Advance33 degrees
Max torque @ rpm527.9 lb-ft @ 5,100
Max power @ rpm577.9 hp @ 6,500
Average torque 484.5 lb-ft
Average power437.5 hp
RPMLB-FTHP
2,600425.5210.6
2,700420.9216.4
2,800420.2224.0
2,900424.5234.4
3,000432.9247.3
3,100443.4261.7
3,200452.0275.4
3,300457.6287.5
3,400460.7298.3
3,500463.2308.7
3,600465.9319.3
3,700469.2330.5
3,800474.1343.1
3,900480.9357.1
4,000487.1371.0
4,100493.0384.9
4,200498.6398.7
4,300503.3412.1
4,400508.4425.9
4,500513.0439.5
4,600516.5452.4
4,700520.7466.0
4,800524.5479.3
4,900526.4491.1
5,000527.5502.2
5,100527.9512.6
5,200527.8522.6
5,300527.2532.0
5,400525.8540.6
5,500523.5548.2
5,600520.5555.0
5,700516.2560.3
5,800511.4564.7
5,900505.6567.9
6,000498.9570.0
6,100491.9571.3
6,200484.5572.0
6,300478.2573.6
6,400472.9576.3
6,500467.0577.9
6,600459.5577.4
6,700452.5577.2
6,800445.7577.1

Cam II with 1-inch HVH Spacer
Headers13/4 Hooker long-tubes
Fuel91-octane unleaded
Advance33 degrees
Max torque @ rpm529.6 lb-ft @ 5,200
Max power @ rpm583.2 hp @ 6,600
Average torque 484.5 lb-ft
Average power438.0 hp
RPMLB-FTHP
2,600411.6203.8
2,700408.1209.8
2,800409.2218.1
2,900415.4229.4
3,000426.4243.5
3,100437.8258.4
3,200448.1273.0
3,300455.4286.1
3,400459.5297.5
3,500461.8307.7
3,600464.6318.4
3,700468.9330.3
3,800475.0343.7
3,900481.9357.8
4,000488.9372.3
4,100495.8387.0
4,200501.7401.2
4,300506.9415.0
4,400509.8427.1
4,500512.7439.3
4,600516.2452.1
4,700520.7465.9
4,800524.1479.0
4,900526.5491.3
5,000528.3502.9
5,100529.5514.2
5,200529.6524.4
5,300528.5533.3
5,400526.6541.5
5,500524.0548.8
5,600520.8555.3
5,700517.3561.4
5,800512.6566.1
5,900507.8570.4
6,000501.3572.7
6,100494.7574.6
6,200487.8575.9
6,300481.6577.7
6,400476.4580.5
6,500471.2583.2
6,600464.0583.1
6,700456.1581.9
6,800447.2579.1


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