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Registered
Join Date: Jan 2005
Location: finland
Posts: 23
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att last dyno result :(
Hello everybody
Last summer i made engine rebuilding to my 911 targa. Here is the were i started: Engine is 3.0l 204 hp row. This is what i made : 3.0 L 9.8:1 cr 964 cams, Bursh haters, valve job, litle port job, And MS II Efi. Yesterday i went in dyno and now im litle pit confuset rwhp's. It was 175rwhp an 5881 rpm and torgue 225 Newton 3966 rpm is that what it would be or is ther something wrong? AF was too rihgts but not really wrong 12,8 , yes i know. This dyno lapel is too big numpers because it was caliprated wrong. We have to minus -10% all numbers. 
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03-01-2007, 05:05 AM
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Join Date: Jun 2001
Location: Sweden
Posts: 5,911
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Is that at wheels or crank?
Max power at 5800 RPM? Did you map it yourself? How's ignition? Cams correctly timed? Max power should be a little higher...I suggest checking cam timing and ignition timing. Other than that, it looks good!
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Thank you for your time, |
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03-01-2007, 05:18 AM
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Location: finland
Posts: 8
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Hello
It is Wheel hp 175 whits is measured. What you mean for did i map it. Yes i have to cheked cams timing, But it chould be 1,26mm. Allso ignition should be 36 decrees at full throtle. Thanks Jukkis |
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03-01-2007, 04:22 PM
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did you use the same dyno
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82 SC , 72 914 |
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03-01-2007, 05:20 PM
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Factory rates hp at the crankshaft. If you have 175hp at the wheels you are producing aproximately 225hp at the crank. Thats a nice improvement.
Kurt Williams
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Never drive faster than your gaurdian angel can fly. 82 SC w/965S eng and G50 6:1 hp/w ratio 72 911t 2.6 twin plug and 72' 911t 57k orig 1 own miles 65/66 912 1 owner 76k orig 01' Aston Martin DB7 V12 Vantage Coupe 6spd |
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03-01-2007, 05:23 PM
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Join Date: May 2005
Location: Houston
Posts: 5,473
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The "Bursh haters" usually cost some hp on the dyno -sadly.
Yasin
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Ole Skool - wouldn't have it any other way |
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03-01-2007, 06:01 PM
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Location: finland
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Yes "Bursh haters"
 Sorry this language To: pvj911, it's not any improvemen if i have 175hp at wheels. iI think that grank will then be something like 206hp if you use 18% tranny lost. That' s only something like 2hp gain  Like Noahs engine pruduses something like 203wheel hp. He has same things in engine whits i have. Eny idea where to start lookin those ponies  Jukkis |
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03-02-2007, 12:24 AM
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Location: Bkk Thailand
Posts: 450
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jukkis,
just wonder what about butt dino? does the car feel differnce before and after? how much differnce? thanks
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03-02-2007, 01:53 AM
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Join Date: Oct 2005
Location: finland
Posts: 8
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It is hard to say that Butt dyno because when i got it, i had some kilometres to drive, then i put it aparth. Then i used at least two years when it was ready to drive.
Thanks Jukkis |
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03-02-2007, 06:39 AM
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Porsche
1972 porsche 914
1969 Porsche 911 2.7 
