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grey smoke at idle and under accleration and not holding any boost pressure


Trex

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A VF27 does not flow 420cfm

That list shows up a million times on google and I reckon it\'s one stuffed up copy/pasta which has been repeated everywhere

Hell the pair of VF26&27 would be lucky to flow that considering the power they don\'t make compared to a VF22/whatever at similar PSI levels

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Almost broke a Toe on one last night. ;)

VF27_s_002.jpg

 Marky said:

A VF27 does not flow 420cfm

That list shows up a million times on google and I reckon it\'s one stuffed up copy/pasta which has been repeated everywhere

Hell the pair of VF26&27 would be lucky to flow that considering the power they don\'t make compared to a VF22/whatever at similar PSI levels

Would measuring Wheels etc give a good flow estimate?

Most things I\'ve seen claim the VF26/27 at around 400-420 odd cfm

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Just thinking for a cheap, easy, \'temporary solution\'. ;)

 Rosssub']

;D ::)

54mm_CHRA_Exhaust_Housing_Seat_003.jpg

VF27/P19 - 420cfm @ 18psi (almost same as VF28) "Shitz\'n\'giggles"

http://forums.nasioc.com/forums/showthread.php?t=1141476

VF33 around 455cfm

[quote name='Rosssub said:

Almost broke a Toe on one last night. ;)

img]http://s25.postimg.org/jgn8l3lm7/VF27_s_002.jpg[/img]

Would measuring Wheels etc give a good flow estimate?

Most things I\'ve seen claim the VF26/27 at around 400-420 odd cfm

48.2mm Wheel, 20.5mm Tall:

VF_27_Wheels_001.jpg

39.5mm Wheel, 18mm Tall:

VF_27_Wheels_002.jpg

IHI & Garret Turbo Specs

Model Type Compressor Inlet Diameter Compressor Housing Nominal Turbine Housing Turbine Approx A/R Compressor Wheel Blades Turbine Wheel Blades Waste Gate Actuator Turbine Casting ID & Batch

VF22 Roller Bearing 48.5 A 9.4 PZ20-H 94001 0.71 5 11 C395 H, H4

VF 23 Roller Bearing 46.7 B 9.4 PZ20-H 94001 0.71 6 11 C395 8psi TBA

VF 24 Roller Bearing 46.7 B 9.4 PZ18-H 94001 0.63 6 11 C418 8psi H, S4, 66

VF 30 Bronze Bearing 47.9 C 9.4 PZ18-H 94001 0.63 6 11 C484 H, S4, IC F55

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 evowrx said:

Inducer/exducer not height fella.

Can get wheel sizes for VF22/28 but easily found on the webs.

;)

VF22 VF27

- Inducer Diameter : 47.2 mm - 37mm

- Exducer Diameter : 60 mm - 48mm

- Bore Dia: 6.12 mm - 6.12mm

- Total Height : 28.85 mm - 20.5mm

- Super Back - ?

- Blade : 5 + 5 - 6 + 6

40505306008VF22comp.wheelA.jpg

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