Flow Numbers
EQ-CH318A | Thank you to HBR Competition Engines | View as PDF | ||
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Notes: Bore plate: 4.060 Test psi inch: 28 Valve Size: Intake 1.920″ 5/16″ S.S. Exhaust 1.625″ 5/16″ S.S. |
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297 | 313 | |||
Intake Valve Lift | CFM | Exhaust Valve Lift | CFM | |
0.200 | 110.0 | 0.200 | 100.0 | |
0.300 | 163.0 | 0.300 | 136.0 | |
0.350 | 190.0 | 0.350 | 152.0 | |
0.400 | 203.0 | 0.400 | 156.0 | |
0.450 | 211.0 | 0.450 | 156.0 | |
0.500 | 213.0 | 0.500 | 161.0 | |
0.550 | 211.0 | 0.550 | 160.0 | |
0.600 | 208.0 | 0.600 | 161.0 | |
0.650 | 208.0 | 0.650 | 161.0 | |
0.700 | 205.0 | 0.700 | 155.0 |
EQ-CH350C | Thank you to Shaver Specialties Racing Engines | View as PDF | |
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Notes: Bore plate: 4.125 Test psi inch: 28 Valve Size: Intake 1.94″, Exhaust 1.60″ |
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Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.100 | 70.2 | 0.100 | 50.0 |
0.200 | 121.5 | 0.200 | 90.8 |
0.300 | 172.3 | 0.300 | 122.0 |
0.400 | 201.6 | 0.400 | 137.8 |
0.500 | 197.0 | 0.500 | 141.1 |
0.600 | 197.9 | 0.600 | 144.7 |
0.700 | 198.9 | 0.700 | 143.6 |
EQ-CH350I | Thank you to HBR Competition Engines | View as PDF | |
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Notes: Bore plate: 4.060 Test psi inch: 28 Valve Size: Intake 1.940″ 11/32″, Exhaust 1.50″ 11/32″ |
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297 | 156 | ||
Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.200 | 189.0 | 0.200 | 86.0 |
0.300 | 216.0 | 0.300 | 119.0 |
0.350 | 216.0 | 0.350 | 129.0 |
0.400 | 211.0 | 0.400 | 135.0 |
0.450 | 206.0 | 0.450 | 139.0 |
0.500 | 208.0 | 0.500 | 141.0 |
0.550 | 205.0 | 0.550 | 143.0 |
0.600 | 205.0 | 0.600 | 144.0 |
0.650 | 208.0 | 0.650 | 147.0 |
EQ-CH364B | Thank you to HBR Competition Engines | View as PDF | |
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Notes: Bore plate: 4.060 Test psi inch: 28 Valve Size: Intake 2.00″ 8mm, Exhaust 1.58″ 8mm |
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297 | 313 | ||
Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.200 | 131.0 | 0.200 | 106.0 |
0.300 | 190.0 | 0.300 | 141.0 |
0.350 | 219.0 | 0.350 | 156.0 |
0.400 | 238.0 | 0.400 | 164.0 |
0.450 | 253.0 | 0.450 | 172.0 |
0.500 | 266.0 | 0.500 | 178.0 |
0.550 | 274.0 | 0.550 | 183.0 |
0.600 | 268.0 | 0.600 | 185.0 |
0.650 | 261.0 | 0.650 | 188.0 |
0.700 | 261.0 | 0.700 | 189.0 |
EQ-CH364C | Thank you to HBR Competition Engines | View as PDF | |
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Notes: Bore plate: 4.060 Test psi inch: 28 Valve Size: Intake 2.165″ 8mm, Exhaust 1.600″ 8mm |
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447 | 313 | ||
Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.200 | 170.0 | 0.200 | 113.0 |
0.300 | 219.0 | 0.300 | 139.0 |
0.350 | 241.0 | 0.350 | 150.0 |
0.400 | 261.0 | 0.400 | 160.0 |
0.450 | 277.0 | 0.450 | 167.0 |
0.500 | 288.0 | 0.500 | 174.0 |
0.550 | 295.0 | 0.550 | 178.0 |
0.600 | 302.0 | 0.600 | 185.0 |
0.650 | 308.0 | 0.650 | 188.0 |
0.700 | 311.0 | 0.700 | 191.0 |
0.750 | 299.0 | 0.750 | 192.0 |
0.800 | 299.0 | 0.800 | 192.0 |
EQ-CH364X | Thank you to HBR Competition Engines | View as PDF | |
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Notes: Intake on 4.030 boreplate | |||
Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.200 | 170.0 | 0.200 | 119.0 |
0.300 | 228.0 | 0.300 | 149.0 |
0.350 | 250.0 | 0.350 | 163.0 |
0.400 | 268.0 | 0.400 | 169.0 |
0.450 | 282.0 | 0.450 | 175.0 |
0.500 | 291.0 | 0.500 | 182.0 |
0.550 | 299.0 | 0.550 | 185.0 |
0.600 | 308.0 | 0.600 | 188.0 |
0.650 | 311.0 | 0.650 | 191.0 |
0.700 | 313.0 | 0.700 | 192.0 |
0.750 | 313.0 | 0.750 | 196.0 |
0.800 | 295.0 | 0.800 | 197.0 |
EQ-CH364X-CNC | Thank you to CNC-Motorsports | View as PDF | |
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Notes: Exhaust flowed with no pipe,Intake on 4.125 boreplate, 269cc Intake ports, 90cc Exhaust ports & 72cc combustion chamber |
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Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.100 | 85.0 | 0.100 | 54.0 |
0.200 | 169.0 | 0.200 | 114.0 |
0.300 | 247.0 | 0.300 | 158.0 |
0.400 | 300.0 | 0.400 | 191.0 |
0.500 | 340.0 | 0.500 | 217.0 |
0.600 | 361.0 | 0.600 | 233.0 |
0.700 | 362.0 | 0.700 | 237.0 |
0.800 | 0.800 |
EQ-CH364X-CNC as of 01/11/2023 | Thank you to HBR Competition Engines | View as PDF | |
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Notes: Intake on 4.030 boreplate | |||
Intake Valve Lift | CFM | Exhaust Valve Lift | CFM |
0.100 | 0.100 | ||
0.200 | 161 | 0.200 | 110 |
0.300 | 241 | 0.300 | 147 |
0.400 | 282 | 0.400 | 175 |
0.500 | 313 | 0.500 | 197 |
0.600 | 322 | 0.600 | 213 |
0.700 | 329 | 0.700 | 222 |
0.800 | 335 | 0.800 | 227 |
Dyno Numbers
EQ-CH364X as of 02/17/2023 | View as PDF | |
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Engine RPM | STPTrq | STPPwr |
C lb-ft | CHp | |
2900 | 480.8 | 265.5 |
3000 | 492.7 | 281.4 |
3100 | 500.3 | 295.3 |
3200 | 504.5 | 307.4 |
3300 | 506.5 | 318.2 |
3400 | 501.7 | 324.8 |
3500 | 499.6 | 332.9 |
3600 | 492.6 | 337.6 |
3700 | 490.8 | 345.8 |
3800 | 489.0 | 353.8 |
3900 | 490.2 | 364.0 |
4000 | 498.2 | 379.4 |
4100 | 501.6 | 391.5 |
4200 | 512.2 | 409.6 |
4300 | 520.1 | 425.8 |
4400 | 534.8 | 448.0 |
4500 | 547.4 | 469.0 |
4600 | 533.7 | 485.0 |
4700 | 573.4 | 513.1 |
4800 | 565.7 | 517.0 |
4900 | 578.5 | 539.7 |
5000 | 577.5 | 549.8 |
5100 | 579.0 | 562.3 |
5200 | 584.7 | 578.9 |
5300 | 580.2 | 585.5 |
5400 | 581.0 | 597.4 |
5500 | 572.3 | 599.3 |
5600 | 573.8 | 611.8 |
5700 | 574.5 | 623.5 |
5800 | 562.6 | 621.3 |
5900 | 561.4 | 630.6 |
6000 | 559.4 | 639.0 |
6100 | 554.2 | 643.6 |
6200 | 554.6 | 654.7 |
6300 | 547.4 | 656.6 |
6400 | 541.2 | 659.5 |
6500 | 534.7 | 661.8 |
6600 | 519.8 | 653.2 |
EQ-CH364X-CNC | View as PDF | |
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Engine RPM | STPTrq | STPPwr |
C lb-ft | CHp | |
2900 | ||
3000 | ||
3100 | ||
3200 | ||
3300 | 490.9 | 308.4 |
3400 | 486.4 | 314.9 |
3500 | 492.5 | 328.2 |
3600 | 491.4 | 336.8 |
3700 | 489.9 | 345.1 |
3800 | 488.4 | 353.4 |
3900 | 481.7 | 357.7 |
4000 | 482.8 | 367.7 |
4100 | 493.2 | 385.0 |
4200 | 497.1 | 397.5 |
4300 | 501.8 | 410.9 |
4400 | 513.7 | 430.4 |
4500 | 525.5 | 450.3 |
4600 | 542.6 | 475.3 |
4700 | 547.2 | 489.7 |
4800 | 551.0 | 503.6 |
4900 | 554.7 | 517.5 |
5000 | 560.3 | 533.4 |
5100 | 565.0 | 548.7 |
5200 | 562.9 | 557.3 |
5300 | 553.9 | 559.0 |
5400 | 558.6 | 574.4 |
5500 | 566.5 | 593.3 |
5600 | 559.8 | 596.9 |
5700 | 560.0 | 607.7 |
5800 | 555.1 | 613.0 |
5900 | 550.9 | 618.9 |
6000 | 555.5 | 634.6 |
6100 | 557.5 | 647.5 |
6200 | 545.1 | 643.5 |
6300 | 539.9 | 647.6 |
6400 | 532.4 | 648.8 |
6500 | 530.8 | 657.0 |
6600 | 525.4 | 660.2 |
6700 | 507.0 | 646.8 |
6800 | 494.8 | 640.7 |