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Search: Posts Made By: MEFIburn
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Forum: General Q & A
08-18-2012, 01:42 AM
Replies: 51
Views: 11,364
Posted By MEFIburn

I believe the issue is the 2 bar map cuts the...

I believe the issue is the 2 bar map cuts the table resolution in half. The MEFI 1 and MEFI 2 don't have much resolution to start off with, so cutting it in half leads to a very sharp difference...
Forum: General Q & A
12-17-2011, 01:41 PM
Replies: 510
Views: 177,943
Posted By MEFIburn

Alexi is a good guy and does great work. ...

Alexi is a good guy and does great work.



It actually is lighter than the Porsche engine being taken out in most instances and moves the weight more toward the center of the car. See:...
Forum: General Q & A
12-17-2011, 01:23 PM
Replies: 510
Views: 177,943
Posted By MEFIburn

The MEFI is usually wired as a staggered batch...

The MEFI is usually wired as a staggered batch fire, so you could look at it as a semi sequential type of setup for a port injected engine, firing half the injectors at a time. You can run pretty...
Forum: General Q & A
12-16-2011, 01:11 PM
Replies: 510
Views: 177,943
Posted By MEFIburn

I think you are missing the point, I am not...

I think you are missing the point, I am not bashing or discrediting any of these systems. The Holley is a fine system, as is the Fast, MSD, Motec, etc. For the most part they have nice software...
Forum: General Q & A
12-15-2011, 11:06 PM
Replies: 510
Views: 177,943
Posted By MEFIburn

Let's not forget the Fast EZ-EFI or the new MSD...

Let's not forget the Fast EZ-EFI or the new MSD Atomic EFI:
http://www.atomicefi.com/
http://www.fuelairspark.com/ezefi/default.asp

A few points:



You can go down to any GM dealership and...
05-06-2010, 12:41 AM
Replies: 8
Views: 1,595
Posted By MEFIburn

I've been able to fix the MEFI's sometimes, it...

I've been able to fix the MEFI's sometimes, it depends on what happened to it and what is wrong with it.
Forum: General Q & A
03-11-2010, 02:01 AM
Replies: 7
Views: 5,985
Posted By MEFIburn

Your MEFI ECM puts out GPH (gallons per hour)...

Your MEFI ECM puts out GPH (gallons per hour) data and this can be monitored and logged along with all the other engine sensor data. Look up MEFI Scan on the MEFIburn website, and you can monitor...
Forum: General Q & A
10-04-2008, 04:29 AM
Replies: 33
Views: 4,431
Posted By MEFIburn

Steve, Looking at the stock maps for the...

Steve,
Looking at the stock maps for the controller I believe you have, I doubt it would be dangerously lean if you made no injector, cam, cylinder head, or compression changes, and only increased...
Forum: General Q & A
08-07-2008, 12:44 PM
Replies: 41
Views: 19,634
Posted By MEFIburn

You would be surprised how different an engine...

You would be surprised how different an engine can run from being on a dyno to the final installation in the boat. I've seen some that came off the dyno and the tune is near perfect in the boat. ...
Forum: General Q & A
08-06-2008, 07:13 PM
Replies: 41
Views: 19,634
Posted By MEFIburn

Yes!

Yes!
Forum: General Q & A
08-06-2008, 10:59 AM
Replies: 41
Views: 19,634
Posted By MEFIburn

Keep the Tunerpro and MEFIburn screens up at the...

Keep the Tunerpro and MEFIburn screens up at the same time. As you make changes in the bin in Tunerpro and save them, you can do uploads to the controller of that saved bin with MEFIburn. It takes...
Forum: General Q & A
08-06-2008, 02:19 AM
Replies: 41
Views: 19,634
Posted By MEFIburn

Hi Smitty, I was out on the water Friday, leave a...

Hi Smitty, I was out on the water Friday, leave a message or shoot me an email and I get back to people pretty quick usually.

I suggest taking logs of runs as you are doing them, and then you can...
Forum: General Q & A
06-19-2008, 03:02 AM
Replies: 7
Views: 2,578
Posted By MEFIburn

The MEFI 4A does not support J1939, only the 4B...

The MEFI 4A does not support J1939, only the 4B does. That is the primary difference between the 2 controllers. I'm using a MEFI 4B with the J1939 CAN interface enabled right now. We have...
Forum: General Q & A
02-27-2008, 09:04 PM
Replies: 10
Views: 2,395
Posted By MEFIburn

The way we read the MEFI 3, it shows a minute...

The way we read the MEFI 3, it shows a minute meter value for the total time the controller has been on a running engine. Keep in mind the same controller may have been run on a few different...
Forum: General Q & A
12-07-2007, 12:45 PM
Replies: 45
Views: 43,613
Posted By MEFIburn

In a small number of instances the electrical...

In a small number of instances the electrical noise in the engine compartment will cause some data samples to drop out while scanning, causing the values to fluctuate. The samples that are there are...
Forum: General Q & A
10-04-2007, 06:31 PM
Replies: 22
Views: 9,249
Posted By MEFIburn

Thanks Smitty, we are at: www.mefiburn.com...

Thanks Smitty, we are at:
www.mefiburn.com (http://www.mefiburn.com)
or the link is also posted above by Jason Smith and Ben Bowman. Smitty, were you or your engine builder able to examine the...
Forum: General Q & A
10-03-2007, 01:28 PM
Replies: 22
Views: 9,249
Posted By MEFIburn

This should be interesting..... You...

This should be interesting.....



You may want to go back and review what is in a MEFI 3 vs. MEFI 4 regarding rev limits. See the image attached below for a real world example.



You are...
Forum: General Q & A
10-01-2007, 08:03 PM
Replies: 22
Views: 9,249
Posted By MEFIburn

In the MEFI 3 and earlier MEFI's the rev limit is...

In the MEFI 3 and earlier MEFI's the rev limit is a constant that is set, and the parameter actually reads fuel cutoff rpm in the MEFI3.

You can control the spark tables directly and set the rev...
08-09-2007, 02:27 AM
Replies: 11
Views: 19,159
Posted By MEFIburn

Give me a shout and I'll walk you through it. ...

Give me a shout and I'll walk you through it.
Bob
Forum: General Q & A
07-17-2007, 02:17 PM
Replies: 9
Views: 3,191
Posted By MEFIburn

This is doable, but it is more work than you...

This is doable, but it is more work than you might think. The MEFI-4B has a lot more parameters in it than the MEFI-3, so it is harder to scale it upward for a bunch of parameters you might not know...
Forum: General Q & A
07-17-2007, 02:00 PM
Replies: 10
Views: 6,842
Posted By MEFIburn

The tables end at 6000 rpm for the MEFI 3 and the...

The tables end at 6000 rpm for the MEFI 3 and the first MEFI 4, and 9000 rpm for the MEFI 4A and MEFI 4B.

It is interesting to see the evolution of the MEFI controllers over time, from how...
Forum: General Q & A
07-10-2007, 02:18 PM
Replies: 10
Views: 6,842
Posted By MEFIburn

You can set the rev limit to whatever you want in...

You can set the rev limit to whatever you want in the MEFI 3 or any generation of the MEFI controllers. For example, the MEFI 1 spark table stops at 3600 rpm and the fuel table stops at 5200 rpm,...
06-30-2007, 11:41 AM
Replies: 11
Views: 19,159
Posted By MEFIburn

The MEFI 2 does not have a lot of parameters to...

The MEFI 2 does not have a lot of parameters to start off with, so MEFI 2 is the same in both packages. The differentiation comes in with the MEFI 3 and above, where there are many more parameters.
Forum: General Q & A
06-21-2007, 10:30 AM
Replies: 45
Views: 43,613
Posted By MEFIburn

Thanks Dave, it was nice meeting with you also. ...

Thanks Dave, it was nice meeting with you also. For those in Socal needing any work to their EFI powered boat, Dave is the man to see. He has a very nice setup and incredibly good diagnostic tools.
Forum: General Q & A
06-15-2007, 11:38 AM
Replies: 45
Views: 43,613
Posted By MEFIburn

Hi Dave N, Contact or call me directly at...

Hi Dave N,
Contact or call me directly at www.mefiburn.com and I can help you out. I posted last night but got flagged for some reason. I'd really like to help everyone out and get the information...
Showing results 1 to 25 of 26
 


 
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