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Thread: Dyno sheets post them up! -Turbo-

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Posts: 31-40 of 201
2007-12-27 17:42:07
#31
^ those are really nice numbers.
2007-12-27 18:10:45
#32
Thanx!
Yes, I cant complain. I thought it would be less, cause the car felt like it. But then again, you're getting used to speed so easy .. must have been between the ears I guess
2008-02-18 21:18:33
#33
Originally Posted by Daniel
...and play a bit with the a/f ratio stuff, cause it's drowning at 5000 rpm


It's drowning from 3.5k on. 10:1 is bad, but 11:1 isn't much better. 12.2:1 is fine, or 12:1 if you want to be rock solid safe.

Edit: I just can't get over how bad that dyno is... The power curve is horrible. There's a reason it feels slow; because it is. You should be pushing well over 207 HP with 10 psi and S4s (taking into account you were on a dynojet), and the power output should not fall as it does in your graph, it should continue to climb.
2008-02-18 21:35:06
#34
Originally Posted by Daniel
Finally went to the dynojet today:



207.1 WHP - 225.5 Torque.

Mods are in my sig, but its basicly an U13 SR20DET with full 3" exhaust and boost @ 10 PSI

Next I'm gonna put the S4's in and dyno again. Should be around 240 WHP I guess
...and play a bit with the a/f ratio stuff, cause it's drowning at 5000 rpm



No doubt. You should see the 260's if you add the S4's, 2 more psi and tune it properly.

When I had my T25 I made 250WHP/260TQ with the S3's and 12psi.
2008-02-19 10:47:44
#35
@BenFenner: Dyno with 207 whp is without the S4's. Also running a walbro on a OEM fpr and no O2 sensor. So that would explain my los of power and running rich I guess.

Putted in an O2 sensor and for some reason it allready feels better. Im gonna put an AFPR in it next week together with the cams and dyno again. See what happens.

Anyway, thanks for the reply's guys, appreciate it.
2008-02-20 07:55:58
#36
Even without the S4 cams, those aren't great numbers.

You had an O2 sensor at the dyno... Didn't want to use it to tune? You must have just gone in for a single run then? If so, I can understand why you didn't sort things out while you were there.
2008-02-20 14:13:44
#37
Like you said, run was just to get some basic #'s (2 runs were done). Didnt do any finetune stuff etcetera since I knew I would come back for the cams. So did the basics to sort things out and finetune the stuff when I go back in a few weeks or so.
2008-02-20 14:52:35
#38
Originally Posted by Daniel
Like you said, run was just to get some basic #'s (2 runs were done). Didnt do any finetune stuff etcetera since I knew I would come back for the cams. So did the basics to sort things out and finetune the stuff when I go back in a few weeks or so.


I don't think the numbers are that bad w/ only exhaust... it just looks like it spiked up a bit and trailed back down to 9lbs or so... which would explain it. Stock DET numbers aren't as high as DE+T numbers.

I think mine at 10lbs was 211whp and 219ft-lbs, stock det setup... holey n/a greddy exhaust... more exhaust flow right , teehee.
2008-02-20 15:40:01
#39



Year: 2000
Make: Nissan
Model: Sentra SE
Miles on motor before turbo: 138k
Miles on motor since turbo: 900
Turbo Setup: Disco potato, GTI-R manifold, JWT B14 ecu, b14 intake mani, Custom IC piping, Cobra Maf, MSD 50lb inj, Walboro 255 fuel pump, jwt s3r cams, Greddy RS BOV, 3" DP, Stromung 3" exhaust, JWT clutch and PP, JWT flywheel, Spec v Koyo radiator, Pusher fans, Custom steel fuel rail, Nismo FPR, Custom steel oil dist block, Custom steel water adapters, Apexi turbo timer, Apexi SAFC, Greddy profec type s boost controller, Autometer Boost, oil temp, oil pres, water temp gauges. NGK plugs, EGR delete, AC removed,More later when I have time.
Fluids: Mobil 1, redline shockproof heavy
Current Boost Pressure: 10 & 15 psi
2008-03-26 13:54:57
#40
Dyno Sheet
t3 t4, 550 injectors, safc, stock maf, stock ecu, and motor. (17psi)
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