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Standered Afms

Adz2332

By Adz2332,
in Engines & Forced Induction

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Adz2332 Grand Master

Adz2332

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excellent thanks for that... so hoping for around 280... mayb 300kws the afms should be fine.... there was someone on here selling 80mm afms with plugs for $300. but if they should get 300 im all good

Because im trying to rulw things out that would stop me from reaching the 300kws mark...

Im guessing the set up will get me around 280kws MAYB 300...

Id love the 300 so just trying to work out what would hold me back...

Edited by Adz2332
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GeeTR Grand Master

GeeTR

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Taken from PaulR33's site

Rule of thumb for Air Flow meters RWKW & Engine BHP

------ ---- OD ---- RWKW ---- RWKW ---- BHP ------ BHP

No of AFM's ---- ------- 1 -------- 2 -------- 1 -------- 2

RB26 ------ 65 ------ 149 ------ 299 ------ 271 ------ 474

RB20/25 --- 80 ------ 226 ------ 453 ------ 376 ------ 683

Z32 ------- 80 ------ 255 ------ 511 ------ 415 ------ 763

Q45 ------- 90 ------ 302 ------ 605 ------ 479 ------ 890

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Cjmartz2k Proficient

Cjmartz2k

Posted
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excellent thanks for that... so hoping for around 280... mayb 300kws the afms should be fine.... there was someone on here selling 80mm afms with plugs for $300. but if they should get 300 im all good

Because im trying to rulw things out that would stop me from reaching the 300kws mark...

Im guessing the set up will get me around 280kws MAYB 300...

Id love the 300 so just trying to work out what would hold me back...

He was talking about 300hp, not 300kw for a stocker, although I think it's something closer to 340hp or so at the motor.

I think Paul's numbers are a bit off also. I only pulled 4800mv through it at 400rwhp, and I'm ballpark 500rwhp now and pulling 4995mv through it on cold nights. I know it's a 5v sensor, but I've seen people go over that (to like 5100mv) making 530rwhp. I have sucked water into my intake after a carwash before and it pegged it at 5150mv.

Nismoid, what kind of voltage are you pulling at that power level?

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GTR1993 Mentor

GTR1993

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Are the numbers what you can make approximately when u hit the last load cell, or just what you will pull through the afm, because at the end of the day you can load that last cell up with fuel and will be "fine" and make much more power then it technically can read.

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Sydneykid Grand Master

Sydneykid

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Are the numbers what you can make approximately when u hit the last load cell, or just what you will pull through the afm, because at the end of the day you can load that last cell up with fuel and will be "fine" and make much more power then it technically can read.

They are my numbers determined in the tuning of well over 40 Skylines since 1999. They are RWKW at 5.1 volts on a properly calibrated Dyno Dynamics at zero knock with circuit racing safe A/F ratios and using 98 ron pump fuel. They do not allow for happy dynos, hub dynos, boost spikes, race fuel, dangerous A/F ratios or smart tuning past 5.1 volts.

Cheers

Gary

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Ad_N Collaborator

Ad_N

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I have an R32 GTR. Air Flow meters are still standard (other parts not standard but as we are talking just afm's didnt feel necessary to list) and on 24psi I am putting out 341kw at the wheels. My tuner is telling me however that the afm's are now at or close enough too their max.

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