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Old 04-26-2014, 10:54 PM   #1
egfuentes
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Default +300 whp post - Dynosheet inside

Finally tested my car on the dyno! great results 309 whp and 291 lbs / ft

https://www.facebook.com/photo.php?f...type=1&theater

Hope you can see the pictures!

Let me know if its not possible
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Old 04-26-2014, 11:15 PM   #2
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Nice work man! Beautiful car as well!
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Old 04-26-2014, 11:38 PM   #3
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good stuff dude!
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Old 04-26-2014, 11:42 PM   #4
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I would be worried about the spiking. If you notice the hp and tq spike at the same time. This could be caused by detonation. I wished the sheet showed a/f ratio.

Still good numbers.
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Old 04-27-2014, 10:49 AM   #5
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We didnt have detonantion during the test, we ve seen this happens in others cars we tested with megasquirt, MS is a great USD 400 engine managment, but has a threshold, AFR was about 11.2 - 11.9 through all the entire curve and when pressure is above 15 psi, water injection was active, only water no meth and for protection, not trying to give more timing.

These results are all with pump gas from Shell.

Thanks to Volvo for the 530 8 v head and all of you for being such a great database of knowleged and share it.
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Old 04-27-2014, 11:04 AM   #6
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That explains it. Great job.
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Old 04-27-2014, 11:28 AM   #7
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Next step, plenum and megasquirt spark upgrade! trying to get to 350 whp
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Old 04-27-2014, 04:14 PM   #8
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Can you explain the brass 90* fitting on the back of the head? A high pressure oil feed I assume?
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Old 04-27-2014, 04:23 PM   #9
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Your assumption is correct, thats the oil feed, the ford block oil line isnt in the same place. The easiest way to do it i found is that way.
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Old 04-27-2014, 04:45 PM   #10
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Originally Posted by egfuentes View Post
MS is a great USD 400 engine managment, but has a threshold
I'm sorry, what?
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Old 04-27-2014, 05:20 PM   #11
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English is not my first language... do you mean MS isnt the problem and its a great EMS or my sentence cant be understand.

Excuseme if i cant get it.
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Old 04-27-2014, 06:14 PM   #12
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Originally Posted by egfuentes View Post
English is not my first language... do you mean MS isnt the problem and its a great EMS or my sentence cant be understand.

Excuseme if i cant get it.
He meant nothing wrong with MS, you guys have some other issues, there are vehicles out there with impressive numbers and smooth dyno graphs.

Still a good amount of power and must be a blast to drive!
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Old 04-28-2014, 08:01 AM   #13
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Mueller, thank you.

I know there are cars out there with impressive numbers, but the same setup with electromotive, no problem at all.

Others similar cars to mine, have the same problem, when they certain volumetric efficiency, they run out of spark!! The vb921 drivers are meant to be used in stock cars, next step is BIP373 drivers, plenum and those 3 psi of boost i couldnt applied.

I ll be uploading pictures of my plenum design pretty soon.
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Old 04-28-2014, 08:50 AM   #14
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Ok your english may be bad, let me spell it out for you in non-sarcastic straight terms:

You're doing something wrong if the MS is causing the spikes in the dyno graph. Period. This is not up for debate.

<- MS with wheel spin on the dyno

<- ProEFI

<- ProEFI again

<- MS

<- MS untuned vs tuned (green is untuned)

<- MS

Also, turning the smoothing all the way down to get all the spikes and droops and wiggles in the suspension gives you artificially high numbers.
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Old 04-28-2014, 10:24 AM   #15
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Any management is only as good as its' tuner.

Nice numbers, and welcome to the 300+ club.
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Old 04-28-2014, 10:29 AM   #16
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I wonder what the smoothing number was set on. All the Dyno sheet wasn't in the picture.
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Old 04-28-2014, 10:41 AM   #17
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if it's turned up, something bad is wrong. Odds are smoothing is turned off, people like to see higher peak numbers even if they're just a quick spike above the mean. Still good power for the setup, no bones about that.
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Old 04-28-2014, 01:00 PM   #18
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Quote:
Originally Posted by egfuentes View Post
Mueller, thank you.

I know there are cars out there with impressive numbers, but the same setup with electromotive, no problem at all.

Others similar cars to mine, have the same problem, when they certain volumetric efficiency, they run out of spark!! The vb921 drivers are meant to be used in stock cars, next step is BIP373 drivers, plenum and those 3 psi of boost i couldnt applied.

I ll be uploading pictures of my plenum design pretty soon.
I agree with you. I never had much success with home-built ignition drivers, particularly built straight into the MS case.

People are saying MS is not the limitation but it's a misleading thing to say. MS is not the limitation provided you fiddle-**** with a bunch of various caps and resistors and exchange ignition components until all of the various planets align and you get just the right combination of parts. It does have limitations and those limitations are inherent. Yes there are workarounds for the limitations.

My setup never ran right with internal ignition drivers. It ran just OK when I used external OEM style Bosch Ignition Drivers from a 960. When I put the VEMS in I never had a single ignition related issue.
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Old 04-28-2014, 01:35 PM   #19
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I agree with you. I never had much success with home-built ignition drivers, particularly built straight into the MS case.

People are saying MS is not the limitation but it's a misleading thing to say. MS is not the limitation provided you fiddle-**** with a bunch of various caps and resistors and exchange ignition components until all of the various planets align and you get just the right combination of parts. It does have limitations and those limitations are inherent. Yes there are workarounds for the limitations.

My setup never ran right with internal ignition drivers. It ran just OK when I used external OEM style Bosch Ignition Drivers from a 960. When I put the VEMS in I never had a single ignition related issue.
Ive seen plenty of bandaid fixes on the haltech, vems and aem forums as well.

I had a haltech installation that wouldnt run properly because one relay was feeding emf into the other one and it was causing hiccups in the tach signal. I had to move them 2 inches apart. I found this out by accident when I jumpered the fuel pump relay to test fuel pressure, forgot and started the car.
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Old 04-28-2014, 01:41 PM   #20
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Logic level output mod and dsm igniter/ coil setup.
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Old 04-28-2014, 01:43 PM   #21
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Ive seen plenty of bandaid fixes on the haltech, vems and aem forums as well.

I had a haltech installation that wouldnt run properly because one relay was feeding emf into the other one and it was causing hiccups in the tach signal. I had to move them 2 inches apart. I found this out by accident when I jumpered the fuel pump relay to test fuel pressure, forgot and started the car.
Of course. My post did not mean to state or imply that MS is the only system with quirks aka "limitations", and no other EMS's have any quirks that require workarounds. Obviously the opposite is more likely to be true.


The point is that, speaking generally, when object "X" has limitation "Y", you apply bandaid "Z". If you want to have some philosophical argument that, if a limitation has a workaround, it is not actually a limitation, that's fine, it's just semantics. But, within the context of the thread though, I tend to think this is the sort of limitation the OP is talking about.
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Old 04-28-2014, 02:09 PM   #22
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so, a setup issue then eh? I'm not exactly sure that qualifies as a limitation. You have a fairly flexible generic-ly implementable system that as a result of that requires the end-user be willing and able to tweak things as needed for a given configuration. Electromotive (since it was referenced specifically here) doesn't have this "limitation" because it places other "limitations" on the end user, i.e. you *must* use X coils, etc. Other systems require a specific triggering setup in order to work.

Someone not knowing what they're doing is not a limitation of that thing. A number of aftermarket systems escape this "egregious ignition problem" by only running logic level outputs. As far as using onboard ignition modules, the BIP's worked fine on the 90' all the way up to 578 whp. Use known good dwell numbers and good coils, don't blame the box because you're struggling with it.
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Old 04-28-2014, 07:15 PM   #23
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All I know is, I had similar issues to this dude, and I'm not the only one. I tried a few different configurations, some were better. Eventually I probably could have gotten it "right". I think MS can work perfectly with almost any setup given enough iterations of tests.

When i got the VEMS (which is by no means a polished or commercial system in its own right) I plugged the ****ing coils in and the car worked. I adjusted the dwell once. That was it. No wierd VR ****, no misfires, no nothing, and that was 24psi, 7600rpm, 540whp, pump gas, so it had legit ignition requirements.

I didn't "know what I was doing" more with the vems. Maybe I just got lucky. All I know is I'm not the only one with a similar tale, so it's hard to fault a guy for at least *perceiving* MS as having some limitations. Expecting him to spend days or weeks or months of his life to learn how to make his MS work right, just because you did (and kudos for doing so), isn't always realistic. Some people just don't want to tinker with that stuff. So yeah, "not knowing" is a reflection of a "limitation" in my mind. Just my personal expererience. I'm not slagging MS and one of the new Pro units would be top of the list if I were to start a project tomorrow. I'm just saying I can see where he's coming from.
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Old 04-28-2014, 08:13 PM   #24
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Some people just don't want to tinker with that stuff. So yeah, "not knowing" is a reflection of a "limitation" in my mind. Just my personal expererience. I'm not slagging MS and one of the new Pro units would be top of the list if I were to start a project tomorrow. I'm just saying I can see where he's coming from.
Might as well call motec then and have them build a harness and fully tune the car.
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Old 04-28-2014, 09:38 PM   #25
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Megasquirt = Windows

Electromotive = Apple

Its just like that, and im a Megasquirt user and tuner since 2008, i have already made more than 40.000 miles to my car and i m more than happy with it.

But dont forget MS was thougth as a replacement for stock burnt old ecus, no high perfomarce 140hp by litre cars.

If you read the vb921 datasheet it says you need at least 4 volts so the driver can work properly, then take a look at the MS circuit and the resistance and you will notice, its getting 2 to 3 volts when you get to a high rpm range.
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