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Go Back   SR20 Forum > What's New > Technical Information Library
Reload this Page MAF Size, Part #s And WHP Output




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Old 03-17-2006, 09:20 AM   #1 (permalink)
Andreas Miko
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MAF Size, Part #s And WHP Output
SR20DE MAF 91-94 Sentra SER, part # 53J00
50mm 250 WHP-----------Bored 54mm 290 WHP


SR20DE MAF 91-99 200sx SER, part # 53J01
50mm 250 WHP-----------Bored 54mm 290 WHP


SR20DE MAF 00-01 Sentra SE
325 WHP


91-94 Pulsar GTIR, part # 54C00
50mm 290 WHP-----------Bored 54mm 345 WHP,


Aveneir W10 and W11, part # 54C01
50 mm 290 WHP----------Bord 54mm 345 WHP


Maxima 95-98
325 WHP


SR20VE, Pathfinder 00-04 V6, Xterra 00-04 V6, Frontier 00-04 V6, Quest V6
325 WHP



300zx and 300zx TT 90-96, part # 22680-30P00
75mm 500 WHP


Infinity J30, part # 22680-30P00
75mm 500 WHP


Cobra, part # F1SZ-12B579-A
350 WHP


Ford Lightning Supercharged
700 WHP



Please make this a sticky next to the injs chart. I will finish this chart in the next few days.
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Last edited by Andreas Miko : 10-02-2006 at 06:44 AM.
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Old 04-05-2006, 03:27 PM   #2 (permalink)
mkarp
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I assume bigger isn't necessarily better. Which is the best to use for a stock, or mildly upgraded engine? In my case, I'm probably going to be running one in the local stock car races. If I have an open exhaust, which is going to flow best for me from 4000-7500 rpm?

Mike
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Old 04-05-2006, 05:24 PM   #3 (permalink)
xt_out
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great data! thanks andreas
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Old 04-05-2006, 10:49 PM   #4 (permalink)
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q45 maf??
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Old 04-11-2006, 02:38 PM   #5 (permalink)
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Quote:
Originally Posted by evilsr20degg
q45 maf??

^^same question
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Old 04-11-2006, 05:17 PM   #6 (permalink)
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600+ whp on the early style 90-94.5 q45 mafs 90mm
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Old 04-12-2006, 08:32 AM   #7 (permalink)
immoble
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What about the following:

S13, S14, S15 Maf's.
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Old 04-12-2006, 12:18 PM   #8 (permalink)
LaRocca Racing
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Quote:
Originally Posted by immoble
What about the following:

S13, S14, S15 Maf's.
you wanting to know the stock mafs output ?
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Old 04-12-2006, 12:44 PM   #9 (permalink)
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I think it might just be the 95 and older J30s with the same maf as the Z32. I'm pretty sure the 96+ J30s use a maf thats the same as the A32.
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Old 04-12-2006, 12:58 PM   #10 (permalink)
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Quote:
Originally Posted by mkarp
I assume bigger isn't necessarily better. Which is the best to use for a stock, or mildly upgraded engine? In my case, I'm probably going to be running one in the local stock car races. If I have an open exhaust, which is going to flow best for me from 4000-7500 rpm?

Mike
why do you think you would need something other than stock?
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Old 04-12-2006, 02:14 PM   #11 (permalink)
LaRocca Racing
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Quote:
Originally Posted by mkarp
I assume bigger isn't necessarily better. Which is the best to use for a stock, or mildly upgraded engine? In my case, I'm probably going to be running one in the local stock car races. If I have an open exhaust, which is going to flow best for me from 4000-7500 rpm?

Mike

if your not making over 250whp on the stock sr maf,no need to worry...
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Old 04-12-2006, 10:34 PM   #12 (permalink)
immoble
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Quote:
Originally Posted by LaRocca Racing
you wanting to know the stock mafs output ?
Yes, how much whp can they handle. I'm currently using a s13 maf on my gtir setup with no problems so far.
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Old 04-22-2006, 02:43 AM   #13 (permalink)
SeRiousSr20s
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why would u wanna use a Stock MAF its so restrictive. The 95-98 maxima is a 80 mm bore
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Old 04-23-2006, 04:48 PM   #14 (permalink)
LaRocca Racing
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the stock s13 sr20det maf is almost exactly the same as the b13 sr20de maf...they will only supports about 250 to 280hp max...
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Old 05-21-2006, 11:02 AM   #15 (permalink)
immoble
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Quote:
Originally Posted by LaRocca Racing
the stock s13 sr20det maf is almost exactly the same as the b13 sr20de maf...they will only supports about 250 to 280hp max...
What happens if you go over that HP on a MAF that can't support it?
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Old 05-21-2006, 02:16 PM   #16 (permalink)
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Quote:
Originally Posted by immoble
What happens if you go over that HP on a MAF that can't support it?

ummm, you motor leans out. If it goes too far it will of course cause serious damage.
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Old 05-21-2006, 09:42 PM   #17 (permalink)
immoble
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Quote:
Originally Posted by Will
ummm, you motor leans out. If it goes too far it will of course cause serious damage.
That's what I thought too but I wanted to double check lol.

I've had my setup past 280whp I'm sure and the Air/Fuel (yes I know it's not 100% accurate) was still reading right in the middle, not lean nor rich!
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Old 05-21-2006, 10:25 PM   #18 (permalink)
LaRocca Racing
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i would invest in a wideband kit..
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Old 05-22-2006, 10:58 AM   #19 (permalink)
immoble
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Quote:
Originally Posted by LaRocca Racing
i would invest in a wideband kit..
Yeah I agree, it's the only accurate tool in terms of air/fuel ratio!
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Old 06-12-2006, 08:46 PM   #20 (permalink)
Detboy
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? I have a cobra maf and just bought a new setup projected to hit around 400whp. do i keep the same maf, try to get bored out, or can i just switch to 300zx maf with no problem
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