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Guest Message by DevFuse
 

Photo
- - - - -

EA71 in Dominican Republic, tell me what you see.

EA71 MV engine

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19 replies to this topic

#1 Legourde_Nux

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Posted 01 April 2013 - 02:16 PM

I'm gathering info about an EA71 from my Gen 1 Brat, there are a couple of things I'm not familiar with.

 

Tell me what you see....

 

Pic 1Attached File  Picture 010.jpg   97.1K   63 downloads



#2 987687

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Posted 01 April 2013 - 02:19 PM

It looks like the EGR tube

#3 Legourde_Nux

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Posted 01 April 2013 - 02:21 PM

Pic 2

 

https://plus.google....939715249099666



#4 Legourde_Nux

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Posted 01 April 2013 - 02:22 PM

An EGR tube coming from just one cylinder??



#5 Legourde_Nux

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Posted 01 April 2013 - 02:23 PM

Pic 3

 

http://plus.google.c...939798443480482



#6 Legourde_Nux

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Posted 01 April 2013 - 02:25 PM

Pic 4

 

http://plus.google.c...939790778529234

 

 

First time trying to upload pictures here, still thanks for your support....great community.



#7 turbosubarubrat

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Posted 01 April 2013 - 04:10 PM

looks like the same stuff thats on my dads spare motor. 



#8 Legourde_Nux

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Posted 01 April 2013 - 05:22 PM

No air injection system which is ok, but this canister thing puzzles me.



#9 Legourde_Nux

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Posted 03 April 2013 - 10:51 AM

Let's try it again

 

Pic 1: Intake Manifold

 

Picture+009.jpg



#10 Legourde_Nux

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Posted 03 April 2013 - 10:52 AM

Pic 2: EGR related??

 

Picture+010.jpg



#11 Legourde_Nux

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Posted 03 April 2013 - 10:54 AM

Pic 3: What's this canister for?

 

 

 

 Picture+012.jpg



#12 Legourde_Nux

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Posted 03 April 2013 - 10:57 AM

Pic 4: Why is there a bump on the main block?

 

Picture+011.jpg

 

 

Thank you Loyale 2.7 Turbo for the tech support....kind of dumb asking how to upload pics :grin:



#13 Loyale 2.7 Turbo

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Posted 03 April 2013 - 11:37 PM

You're Welcome my Friend.

 

I'll Love to see your Brat Fully Restored, it is a Great Project!

 

Kind Regards.



#14 Loyale 2.7 Turbo

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Posted 03 April 2013 - 11:47 PM

By seeing your Photos, if I were you, I would swap a Weber Carburator on that engine and I would get Rid of all the emmissions Stuff, such like Canister and EGR valve, But I believe you want to Keep it Stock, isn't it?

 

Also, the egine's Head Gaskets might be Worn out... Have you considered a Full Engine Reseal?

 

Kind Regards.



#15 Loyale 2.7 Turbo

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Posted 03 April 2013 - 11:49 PM

The EA71 Engine will gain more Low end Torque and Better Acceleration with a Progresive Weber 32/36 Carburator properly jetted; and will let you to Clean the Engine Bay ... 

 

Also it will Reveal its True Boxer Sound :burnout:


Edited by Loyale 2.7 Turbo, 03 April 2013 - 11:50 PM.


#16 Legourde_Nux

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Posted 04 April 2013 - 09:52 AM

Proyect: Take apart the whole truck down to the last bolt and rebuild....that's the idea.

 

The Weber is a "must have" of course, the idea of keeping the Brat "stock" is to keep it "simple" just the way it was designed.

 

If someone can confirm that pics 2 and 3 are EGR related.......those parts will be removed because I'm at sea-level.

 

Never seen those 2 sensors on pic 1.

 

Until I'm able to take apart the engine, the "bump" on pic 4 will keep me wondering if the valve blocks are from an EA63.

 

 

Guys, thanks a lot.



#17 naru

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Posted 04 April 2013 - 11:24 AM

You need EGR even more at sea level than you do at higher altitude.
Silly idea.

#18 Legourde_Nux

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Posted 04 April 2013 - 11:50 AM

Ook, I'm new at this.......is there something I'm missing about EGR, naru?

 

Always heard that EGR is a device that can be removed from vehicules with no emission control (cat or smog test requirements).



#19 naru

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Posted 04 April 2013 - 04:01 PM

Sure you can remove it,but,you need to recurve the distributor to restore stock performance.
With EGR removed,ignition timing will be overadvanced under cruise conditions(when the egr operates) because of incresed cylinder filling and the resulting higher cylinder pressures.
If you back off the base timing to compensate,you will lose performance under non cruise conditions(anything above about 1/3 throttle)

2nd minor issue is the increase in engine pumping losses which will decrease MPG slightly.
Think of the engine as an air pump.It takes more energy to pump more air.Any air previously displaced by egr flow now needs energy to be pumped through the engine.

An electric fan is a good analogy.
Restrict airflow by putting a piece of carboard near the fan and you can hear the fan speed up.

#20 Legourde_Nux

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Posted 04 April 2013 - 07:23 PM

I understand and thanks for the info.

 

I live in an overpopulated city, filled with traffic lights and almost no chance to cruise, I don't want to ruin the good MPG the engine offers. Believe me gas is not cheap around here.

 

Point taken....







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