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      04-07-2013, 03:56 PM   #23
Alex07M3
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Quote:
Originally Posted by BuckRodgers View Post
That is the right attitude you have to have if your going to push 600 whp on the stock motor. This is crazy power and even more impressive that your running around 8psi. Do you know what stock or NA tuned M3's make on this same dyno?
A good attitude would also be to make a simple rod bearing upgrade to prevent a catastrofic engine failure(IF there's really a chance of a bearing failure)!
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      04-08-2013, 06:14 AM   #24
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Quote:
Originally Posted by Alex07M3
Quote:
Originally Posted by BuckRodgers View Post
That is the right attitude you have to have if your going to push 600 whp on the stock motor. This is crazy power and even more impressive that your running around 8psi. Do you know what stock or NA tuned M3's make on this same dyno?
A good attitude would also be to make a simple rod bearing upgrade to prevent a catastrofic engine failure(IF there's really a chance of a bearing failure)!
If its not broken, don't fix it..
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      04-08-2013, 12:42 PM   #25
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AFR's look dangerous. There is much more load on the street than the dyno, fuel pump or injectors are static. I would never run a car like this. Lower boost or upgrade fuel system.
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      04-08-2013, 01:09 PM   #26
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Quote:
Originally Posted by Kaane View Post
AFR's look dangerous. There is much more load on the street than the dyno, fuel pump or injectors are static. I would never run a car like this. Lower boost or upgrade fuel system.
The M3's DME will vary AFR's based on load. When these cars run higher load the DME will add additional fuel. These car's can run high 11's to low 12's at higher RPM and much leaner at lower RPM's but at this power level the stock fuel pump is maxed out when you cross over 7,500 RPM.
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      04-08-2013, 01:14 PM   #27
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I am just talking about the lean condition over 7500rpm. The DME can't add fuel if the pump is maxed and fuel pressure begins to drop.
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      04-08-2013, 03:20 PM   #28
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Quote:
Originally Posted by Kaane View Post
I am just talking about the lean condition over 7500rpm. The DME can't add fuel if the pump is maxed and fuel pressure begins to drop.
We limit timing over 7500 RPM in our software, that is why you notice the TQ drop off. Doing this keeps the motor safe even if AFR's run a little leaner as the motor get's to 8k and above. Technically with our software anything below 13.5 at high RPM's is safe. The only time this would be an issue is if we were forcing timing up top which we do not do.
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      04-08-2013, 04:30 PM   #29
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Originally Posted by 1SICKM View Post
If its not broken, don't fix it..


It was a great time last week Scott and awesome power! I'm glad we were able to make some runs before the night was over. I wish David and Shawn (spelling?) were able to dyno theirs too.
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      04-08-2013, 04:33 PM   #30
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Quote:
Originally Posted by Roman@ESS View Post
We limit timing over 7500 RPM in our software, that is why you notice the TQ drop off. Doing this keeps the motor safe even if AFR's run a little leaner as the motor get's to 8k and above. Technically with our software anything below 13.5 at high RPM's is safe. The only time this would be an issue is if we were forcing timing up top which we do not do.
^ ^ good to know Roman as mine leaned out a little at the top end on the dyno as well. But not enough to cause any concern.

Well, now I know what it takes to get 600 wheel....gotta upgrade to a 650 kit. Nice job 1SickM !
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      04-08-2013, 06:35 PM   #31
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I was making 585-590 and then turned Meth on....
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      04-09-2013, 05:28 PM   #32
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VT3 !
When it can be sold overseas
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      04-10-2013, 06:55 AM   #33
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When it can be sold overseas
I'll keep you posted Bro
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      04-10-2013, 10:13 AM   #34
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Very nice.......

If only my wife shared my desire to SC my car.... lol
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      04-24-2013, 07:53 AM   #35
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Originally Posted by GT3 Tim View Post
Very nice.......

If only my wife shared my desire to SC my car.... lol
haha hear that all the time
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      04-24-2013, 08:09 AM   #36
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Whats is the dirrenece between all three pulls. There is a massive difference in power between them
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      04-24-2013, 08:40 AM   #37
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Quote:
Originally Posted by Chriskm3
Whats is the dirrenece between all three pulls. There is a massive difference in power between them
The difference the runs are displayed in SAE and STD
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      04-24-2013, 10:27 AM   #38
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Quote:
Originally Posted by SYZ View Post
Cooler temps translates to denser air, not thinner. Hotter temps or at high altitudes the air is less dense, or thinner, as you put it.
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      04-24-2013, 11:24 AM   #39
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Quote:
Originally Posted by Chriskm3 View Post
Whats is the dirrenece between all three pulls. There is a massive difference in power between them
The DME is adapting. The dyno is not a "normal" experience for it

I did about 25 pulls 5 different dyno days before my car had 1,000 miles on it and there was a massive difference between pull 1 and pull 2. It would max by pull 3 or 4.

Now I don't get such a large delta when I dyno for some reason like I did when the car was newer.
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      05-18-2013, 10:09 AM   #40
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Guessing you'll be breaking your current quarter mile record?
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      05-18-2013, 12:33 PM   #41
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FYI, the graph that has HP, TRQ, FP, and IAT- the line plots for HP and torque should be swapped.

Amazing how stable the IATs are on the dyno when you introduce meth.
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