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Down the rabbit hole -- 2276 MS3X Turbo build
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theDrew
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PostPosted: Mon Jul 02, 2018 8:15 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

EGT's make much more sense now.

6psi, egt's around 1300

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theDrew
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PostPosted: Thu Jul 05, 2018 8:16 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

500 miles on the engine now. Pulled the sump plate and did an oil change.

Few flecks of the case material, probably from doing all the oil galley case plugs.

Will pull it again at a 1000miles

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buguy
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PostPosted: Thu Jul 05, 2018 9:57 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

What made you choose MS3 over MS2?
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Chip Premium Member
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PostPosted: Thu Jul 05, 2018 10:03 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

buguy wrote:
What made you choose MS3 over MS2?

For me, it can do more stuff. Its better supported, and still being improved. It thinks faster and has awesome safety systems. It will log directly to an SD card without a computer attached, as well as has a direct usb connection instead of the 9 pin that the older ecus all use.
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theDrew
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PostPosted: Thu Jul 05, 2018 11:20 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

buguy wrote:
What made you choose MS3 over MS2?


Yeah, MS3X has a TON of functionality, so it seemed worth the extra money for future growth and tinkering.

Tons of inputs and outputs, you can really do anything you want.
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buguy
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PostPosted: Thu Jul 05, 2018 1:31 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

Is it more complicated to use?
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PostPosted: Thu Jul 05, 2018 4:52 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

buguy wrote:
Is it more complicated to use?

There is more to manipulate, if you want to. You can setup as basic fuel only(gag) or simple fuel and spark and grow into it. You just won't be limited later.
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buguy
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PostPosted: Thu Jul 05, 2018 6:28 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

Ok cool. Thanks. I've been looking at both and its tough to know what's what.
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theDrew
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PostPosted: Tue Jul 10, 2018 8:52 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

Question on the oil restrictor size for the turbo -- I have a .075 right now, but I'm seeing a pool of oil in the intake pipe.

I got a .060 restrictor, but is that too small? I dont wanna starve the turbo.
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madmike
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PostPosted: Wed Jul 11, 2018 3:16 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

could be? I'd try a .065 Wink
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theDrew
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PostPosted: Tue Jul 17, 2018 9:24 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

suns out, turbo buggys out Cool

7psi right now, tons of fun


Link

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buguy
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PostPosted: Tue Jul 17, 2018 4:49 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

That was awesome! Thanks for the ride along!
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theDrew
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PostPosted: Fri Aug 10, 2018 7:49 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

gonna get this in the next week.

I hooked up a rotary switch that controls my boost control map, so I can adjust the boost duty as I drive.

hit 9.5psi a few times.....thumbs up.
also hit 180+f IAT's.....thumbs down.

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clonebug
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PostPosted: Sun Aug 12, 2018 7:05 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

theDrew wrote:
gonna get this in the next week.

I hooked up a rotary switch that controls my boost control map, so I can adjust the boost duty as I drive.

hit 9.5psi a few times.....thumbs up.
also hit 180+f IAT's.....thumbs down.

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Those Intake temps are pretty normal for 9.5 lbs if your ambient inlet temps are somewhere between 95-100* F.
You are right on the verge of detonation so listen carefully and get off the throttle as soon as you hear any rattle.
If you lower your boosted advance you can tune it to run up to 12-13 lbs but your ignition advance will need to be around 18-22 degrees I would guess depending on ambient temps.
You could set up your MAT based timing retard to compensate so that on cooler days it won't be running with such low boosted advance settings.
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vwracerdave wrote:

Take a good long look in the mirror and report back on what you see.


Paul.H wrote:
That one line on that chart is probably better info than you can get from this place in a month



My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
Audi TT intercooler
Upgraded to MS3Pro-Evo
EcuMaster PMU16
ECUMaster ADU5 Digital Dash


http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936
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PostPosted: Sun Aug 12, 2018 8:51 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

clonebug wrote:
theDrew wrote:
gonna get this in the next week.

I hooked up a rotary switch that controls my boost control map, so I can adjust the boost duty as I drive.

hit 9.5psi a few times.....thumbs up.
also hit 180+f IAT's.....thumbs down.


Those Intake temps are pretty normal for 9.5 lbs if your ambient inlet temps are somewhere between 95-100* F.
You are right on the verge of detonation so listen carefully and get off the throttle as soon as you hear any rattle.
If you lower your boosted advance you can tune it to run up to 12-13 lbs but your ignition advance will need to be around 18-22 degrees I would guess depending on ambient temps.
You could set up your MAT based timing retard to compensate so that on cooler days it won't be running with such low boosted advance settings.

He's got headroom to spare. Squishies are pretty good in this department. Keep the timing in that 18-22° range and it will be pretty happy. I think I ran 19° or so all the way up to 24 psi on 91 octane. Mine is intercooled, but its not the greatest system in the world. I wasn't running ice in my tank back when my boost was at 24psi. Just ambient temp water. Outside temp was probably in the 60s. No idea what intake temps were. I didn't have great sensors then.
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theDrew
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PostPosted: Mon Aug 13, 2018 8:26 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

here is my current timing map

so I'm not pulling timing till 105kpa and then linearly after that to 21 degrees.

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oh and clonebug, I'm using MAT retard already. I'm pulling timing after 150 degrees. I have an LED rigged up that turns on when the mat retard is > 0 degrees, so I can monitor temps as I drive.

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clonebug
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PostPosted: Mon Aug 13, 2018 12:50 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

theDrew wrote:
here is my current timing map

so I'm not pulling timing till 105kpa and then linearly after that to 21 degrees.

Image may have been reduced in size. Click image to view fullscreen.


oh and clonebug, I'm using MAT retard already. I'm pulling timing after 150 degrees. I have an LED rigged up that turns on when the mat retard is > 0 degrees, so I can monitor temps as I drive.

Image may have been reduced in size. Click image to view fullscreen.


I found 135-140 degree IAT’s were about the limit for higher advance settings...depending on boost levels of course....
Ambient temps have a fairly significant effect on timing also.
With your SS pistons it might be different since they say they need less advance due to quicker burn.
I would still listen carefully for detonation especially if you go for any higher boost levels...
Better to be safe..
Water injection works really good...... at least for me,but adding the intercooler along with it makes noticeably more power.
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vwracerdave wrote:

Take a good long look in the mirror and report back on what you see.


Paul.H wrote:
That one line on that chart is probably better info than you can get from this place in a month



My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
Audi TT intercooler
Upgraded to MS3Pro-Evo
EcuMaster PMU16
ECUMaster ADU5 Digital Dash


http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936
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theDrew
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PostPosted: Thu Aug 16, 2018 9:15 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

got the water injection rigged up,

I was wondering what size nozzle you guys were using?

The Snow performance kit comes with two nozzles.

I tried the #2 (100ml/min), that didn't change my IAT's much. Then I stepped up to the #5 (375ml/min) and that made a huge difference in temps. But I think thats spraying way too much.

I pushed it up to 12.5lbs and I was seeing about 130degrees on the IATs.

I ordered a #3 (175ml/min), so once that comes I'll try that out once it comes.

I added 1 degree of timing to my boosted areas now that I have the extra octane from the methanol, so its 22 degrees max now above 150kpa

Also, what AFR should I be targeting on boost. I'm still bottoming out the sensor at points, but I'm trying to get the AFR to 11-11.5.

Took a long drive on it yesterday (~100miles) tons of fun.

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clonebug
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PostPosted: Thu Aug 16, 2018 10:54 am    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

I inject 3.0 gph or 190 ml/min with two staged nozzles for 200 whp.
My nozzles actually put out more than advertised so it’s hard to say what I’m actually injecting.
I tested them when I first installed them but forgot how much they put out..
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vwracerdave wrote:

Take a good long look in the mirror and report back on what you see.


Paul.H wrote:
That one line on that chart is probably better info than you can get from this place in a month



My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
Audi TT intercooler
Upgraded to MS3Pro-Evo
EcuMaster PMU16
ECUMaster ADU5 Digital Dash


http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936
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Chip Premium Member
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PostPosted: Thu Aug 16, 2018 12:36 pm    Post subject: Re: Down the rabbit hole -- 2276 MS3X Turbo build Reply with quote

I have 3 nozzles in mine. Initial plan was pre turbo, and then one per plenum. But with the intercooler, and the fact that I have only been spraying pure methanol, I decided to put them all post intercooler. So now one is pre-T, and the other two are just above the plenums. Looks like I ordered a d05 and 2 d03s. I use the stuff so rarely I can't really speak to the benefits of it. I really need to tune for it. Probably should add some water to it too. Don't really care though. Never actually needed it yet. Maybe once boost is over 30psi...
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