Flow Numbers

Jump to Dyno Numbers

EQ-CH318A
as of 03/15/2022

Thank you to HBR Competition EnginesView as PDF
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.
297313
Intake Valve LiftCFMExhaust Valve LiftCFM
0.200110.00.200100.0
0.300163.00.300136.0
0.350190.00.350152.0
0.400203.00.400156.0
0.450211.00.450156.0
0.500213.00.500161.0
0.550211.00.550160.0
0.600208.00.600161.0
0.650208.00.650161.0
0.700205.00.700155.0

EQ-CH350C
as of 09/01/2020

Thank you to Shaver Specialties Racing EnginesView as PDF
Notes: Bore plate: 4.125 Test psi inch: 28
Valve Size: Intake 1.94″, Exhaust 1.60″
Intake Valve LiftCFMExhaust Valve LiftCFM
0.10070.20.10050.0
0.200121.50.20090.8
0.300172.30.300122.0
0.400201.60.400137.8
0.500197.00.500141.1
0.600197.90.600144.7
0.700198.90.700143.6

EQ-CH350I
as of 09/25/2020

Thank you to HBR Competition EnginesView as PDF
Notes: Bore plate: 4.060 Test psi inch: 28
Valve Size: Intake 1.940″ 11/32″, Exhaust 1.50″ 11/32″
297156
Intake Valve LiftCFMExhaust Valve LiftCFM
0.200189.00.20086.0
0.300216.00.300119.0
0.350216.00.350129.0
0.400211.00.400135.0
0.450206.00.450139.0
0.500208.00.500141.0
0.550205.00.550143.0
0.600205.00.600144.0
0.650208.00.650147.0

EQ-CH364B
as of 09/16/2020

Thank you to HBR Competition EnginesView as PDF
Notes: Bore plate: 4.060 Test psi inch: 28
Valve Size: Intake 2.00″ 8mm,
Exhaust 1.58″ 8mm
297313
Intake Valve LiftCFMExhaust Valve LiftCFM
0.200131.00.200106.0
0.300190.00.300141.0
0.350219.00.350156.0
0.400238.00.400164.0
0.450253.00.450172.0
0.500266.00.500178.0
0.550274.00.550183.0
0.600268.00.600185.0
0.650261.00.650188.0
0.700261.00.700189.0

EQ-CH364C
as of 09/16/2020

Thank you to HBR Competition EnginesView as PDF
Notes: Bore plate: 4.060 Test psi inch: 28
Valve Size: Intake
2.165″ 8mm,
Exhaust 1.600″ 8mm
447313
Intake Valve LiftCFMExhaust Valve LiftCFM
0.200170.00.200113.0
0.300219.00.300139.0
0.350241.00.350150.0
0.400261.00.400160.0
0.450277.00.450167.0
0.500288.00.500174.0
0.550295.00.550178.0
0.600302.00.600185.0
0.650308.00.650188.0
0.700311.00.700191.0
0.750299.00.750192.0
0.800299.00.800192.0

EQ-CH364X
as of 09/01/2021

Thank you to HBR Competition EnginesView as PDF
Notes: Intake on 4.030 boreplate
Intake Valve LiftCFMExhaust Valve LiftCFM
0.200170.00.200119.0
0.300228.00.300149.0
0.350250.00.350163.0
0.400268.00.400169.0
0.450282.00.450175.0
0.500291.00.500182.0
0.550299.00.550185.0
0.600308.00.600188.0
0.650311.00.650191.0
0.700313.00.700192.0
0.750313.00.750196.0
0.800295.00.800197.0

EQ-CH364X-CNC
as of 10/25/2022

Thank you to CNC-MotorsportsView as PDF
Notes: Exhaust flowed with no pipe,Intake on 4.125 boreplate, 269cc Intake ports, 90cc
Exhaust ports & 72cc combustion chamber
Intake Valve LiftCFMExhaust Valve LiftCFM
0.10085.00.10054.0
0.200169.00.200114.0
0.300247.00.300158.0
0.400300.00.400191.0
0.500340.00.500217.0
0.600361.00.600233.0
0.700362.00.700237.0
0.8000.800

EQ-CH364X-CNC as of 01/11/2023

Thank you to HBR Competition EnginesView as PDF
Notes: Intake on 4.030 boreplate
Intake Valve LiftCFMExhaust Valve LiftCFM
0.1000.100
0.2001610.200110
0.3002410.300147
0.4002820.400175
0.5003130.500197
0.6003220.600213
0.7003290.700222
0.8003350.800227

Dyno Numbers

EQ-CH364X as of 02/17/2023

View as PDF
Engine RPMSTPTrqSTPPwr
C lb-ftCHp
2900480.8265.5
3000492.7281.4
3100500.3295.3
3200504.5307.4
3300506.5318.2
3400501.7324.8
3500499.6332.9
3600492.6337.6
3700490.8345.8
3800489.0353.8
3900490.2364.0
4000498.2379.4
4100501.6391.5
4200512.2409.6
4300520.1425.8
4400534.8448.0
4500547.4469.0
4600533.7485.0
4700573.4513.1
4800565.7517.0
4900578.5539.7
5000577.5549.8
5100579.0562.3
5200584.7578.9
5300580.2585.5
5400581.0597.4
5500572.3599.3
5600573.8611.8
5700574.5623.5
5800562.6621.3
5900561.4630.6
6000559.4639.0
6100554.2643.6
6200554.6654.7
6300547.4656.6
6400541.2659.5
6500534.7661.8
6600519.8653.2

EQ-CH364X-CNC
as of 02/17/2023

View as PDF
Engine RPMSTPTrqSTPPwr
C lb-ftCHp
2900
3000
3100
3200
3300490.9308.4
3400486.4314.9
3500492.5328.2
3600491.4336.8
3700489.9345.1
3800488.4353.4
3900481.7357.7
4000482.8367.7
4100493.2385.0
4200497.1397.5
4300501.8410.9
4400513.7430.4
4500525.5450.3
4600542.6475.3
4700547.2489.7
4800551.0503.6
4900554.7517.5
5000560.3533.4
5100565.0548.7
5200562.9557.3
5300553.9559.0
5400558.6574.4
5500566.5593.3
5600559.8596.9
5700560.0607.7
5800555.1613.0
5900550.9618.9
6000555.5634.6
6100557.5647.5
6200545.1643.5
6300539.9647.6
6400532.4648.8
6500530.8657.0
6600525.4660.2
6700507.0646.8
6800494.8640.7

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