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Author Topic: The "Which Subaru Engine Is Better" thread  (Read 4002 times)

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Offline deadlydave

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The "Which Subaru Engine Is Better" thread
« on: November 05, 2014, 09:59:39 AM »
Exactly as advertised, post preferences, rankings, and why you believe your favorite Subaru engine is the best.

Be civil.  Questions are allowed, proof can be offered, and claims can be refuted.  Don't be a dick if someone's evidence refutes yours though, because it makes your lose.

Offline RE543

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Re: The "Which Subaru Engine Is Better" thread
« Reply #1 on: November 05, 2014, 10:58:14 AM »
Im probably biased because i have the ej20.  But so far I've been lead to believe its a good engine for what it is.  Its no ej207. But as far as a usdm 2.0 it handles power pretty well. And isn't as prone to ringland failure as the 2.5s. The ej257 is much heartier than both obviously.  But both wrx engines make about the same power stock and neither are good platforms for high power builds. As far as taking the power on stock internals tho I like the ej20.  Its all preference I suppose.  

I am defending it only because I dont think it is worse than the ej25 

Just adding my last post from the other thread to get this one started


05 wrx, 02 7.3 powerstroke. Subarus and counting 12plus

Offline wheelbuilder_25

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Re: The "Which Subaru Engine Is Better" thread
« Reply #2 on: November 05, 2014, 11:13:06 AM »
EA81/EA71.  Easy to work on, reliable, and large enough to cook a tire on.  My Dad and I put well over 300k on his old GL with this, and we gave it away still running well.  On the other hand, the power was pretty low.
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Offline BlackParis

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Re: The "Which Subaru Engine Is Better" thread
« Reply #3 on: November 05, 2014, 12:28:06 PM »
I'm absolutely LOVING the FB ... Can't wait to see what the STi will put out for numbers when they switch from the EJ to FB
'03 Silverado 1500HD 4x4.. Black on Black leather, DiabloSport tune, 6.0/4L80 Daily - 218,000miles
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Offline deadlydave

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Re: The "Which Subaru Engine Is Better" thread
« Reply #4 on: November 05, 2014, 01:24:46 PM »
Its no ej207. But as far as a usdm 2.0 it handles power pretty well. And isn't as prone to ringland failure as the 2.5s.

Like you said, preference is key.  The EJ205 in my car was driven cross country, autocrossed for 7 years, DDed and even delivered pizzas.  Oil Consumption is well below half a quart every 5k miles.  No subaru-manufactured engine block can handle truly awesome power.  For practical, reliable, usable power--the kind that wins autocrosses and such, any of the partial or full AVCS 2.5's are tough to beat.  Mid-range power from a mildly tweaked 255 or 257 is truly helpful, as all of these engines are dogs when out of boost.

EA81/EA71.  Easy to work on, reliable, and large enough to cook a tire on.  My Dad and I put well over 300k on his old GL with this, and we gave it away still running well.  On the other hand, the power was pretty low.
I knew there would be one of you people chiming in.  The EA's are durable like old air cooled vw engines.  I ran my 215,000 mile '83 GL out of coolant, entirely, and it took quite a while to actually notice.  Mini tank engines.

The FA's got a lot of potential, but it sours me a bit that only the BRZ has port injection also (for now)

Offline wheelbuilder_25

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Re: The "Which Subaru Engine Is Better" thread
« Reply #5 on: November 05, 2014, 02:20:54 PM »

I knew there would be one of you people chiming in.  The EA's are durable like old air cooled vw engines.  I ran my 215,000 mile '83 GL out of coolant, entirely, and it took quite a while to actually notice.  Mini tank engines.

The FA's got a lot of potential, but it sours me a bit that only the BRZ has port injection also (for now)

Finally ! I'm one of those people !

I think the FB has the best potential going forward.  Hopefully it's beat the headgasket thing, and there is no timing belt maintenance and has port injection for the moment.
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Offline Outback_Jon

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Re: The "Which Subaru Engine Is Better" thread
« Reply #6 on: November 05, 2014, 07:02:02 PM »
3.6R

Evidence: It's what's under my hood!   :mrgreen:
2011 Outback 3.6R Limited "Outback's Outback" -- 1998 Forester (Dead - Son #1 Rolled It) "Subarugdu" -- 2010 Impreza (Daughter #1's) -- 2002 Outback VDC (Daughter #2's) -- 1998 Forester (Dead - Daughter #2 Ran It Out Of Oil)
My nickname predates the Subaru Outback model by 6 years.

Offline RE543

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Re: The "Which Subaru Engine Is Better" thread
« Reply #7 on: November 05, 2014, 07:15:20 PM »
3.6R

Evidence: It's what's under my hood!   :mrgreen:

Turbo it and cram it in an ancient legacy and it's even better.
05 wrx, 02 7.3 powerstroke. Subarus and counting 12plus

Offline deadlydave

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Re: The "Which Subaru Engine Is Better" thread
« Reply #8 on: November 06, 2014, 09:29:56 AM »
Here's some food for thought:  The 1st gen legacy turbo EJ22T closed-deck block is extremely tough.  For still being a subaru block, they rock.  The downside is that compatibility is crapshoot with many newer parts.  Intercoolers and turbos are pretty common, but injectors, AVCS heads, Downpipes, sensors, ECUs are all going to be trial-and-error.  Of course in the original car, it's Pre-OBDII, so you can run standalone ECUs.

Bang-for-the buck, it's hard to beat the EJ205 for commonality, parts availability, and depth/breadth of knowledge. 

Offline RE543

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Re: The "Which Subaru Engine Is Better" thread
« Reply #9 on: November 06, 2014, 10:07:01 AM »
We're all aware of that mighty car mods did with their old legacy correct?
05 wrx, 02 7.3 powerstroke. Subarus and counting 12plus

Offline deadlydave

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Re: The "Which Subaru Engine Is Better" thread
« Reply #10 on: November 06, 2014, 12:50:48 PM »
We're all aware of that mighty car mods did with their old legacy correct?

They built it with a JDM 2 liter of some sort.  A 20K or 207?

Jokingly "They ruined it by turning it into a drag car?"

Offline RE543

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Re: The "Which Subaru Engine Is Better" thread
« Reply #11 on: November 06, 2014, 01:35:30 PM »
No they shimmied that 3.6 into a legacy and slapped a Garrett on it
05 wrx, 02 7.3 powerstroke. Subarus and counting 12plus

Offline idipskoalmint

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Re: The "Which Subaru Engine Is Better" thread
« Reply #12 on: November 09, 2014, 04:41:57 PM »
There's no mention of modified engines...something like a 2.1L stroker, for example. They allowed in this discussion?
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Offline Redroof2.0

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Re: The "Which Subaru Engine Is Better" thread
« Reply #13 on: November 10, 2014, 07:55:17 PM »
EK31.

Everyone else can kiss my ass.  Your engine sucks.
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Offline deadlydave

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Re: The "Which Subaru Engine Is Better" thread
« Reply #14 on: November 11, 2014, 11:03:18 AM »
There's no mention of modified engines...something like a 2.1L stroker, for example. They allowed in this discussion?
Sure I'll allow strokers.  Over boring and sleeping, not so much.  :wink:

Offline hydrochloric

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Re: The "Which Subaru Engine Is Better" thread
« Reply #15 on: November 11, 2014, 08:28:46 PM »
The EJ22T/ Phase 1 2.2 (EJ22e?) were just about the best engines Subaru has ever made for boost, at least until we have a little more concrete evidence with the FA/B.

EDIT:  Though if we include modified blocks....  http://www.theboombopshop.com/AMS-Stage-2-Sleeved-Short-block-Subaru-EJ257-900hp-p/a0097a-3a.htm
« Last Edit: November 12, 2014, 01:50:53 PM by hydrochloric »
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Offline hydrochloric

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Re: The "Which Subaru Engine Is Better" thread
« Reply #16 on: November 12, 2014, 01:40:14 PM »
They built it with a JDM 2 liter of some sort.  A 20K or 207?

Jokingly "They ruined it by turning it into a drag car?"
No they shimmied that 3.6 into a legacy and slapped a Garrett on it

The first "Gramps" Legacy was a 2 liter, but instead of changing that one they got a new one to do the EZ36R.  "Gramps 2.0" they called it, which is a little ironic considering the old one had the 2.0...
-'00 BRP 2.5RS- rustbucket DD with SUPERCHARGED! junkyard engine  :D  -'66 VW Type III 1600 Squareback- Survivor, 42k miles  -'83 944- mostly-un-broken track car  -'50 Hudson Commodore 6 TSD rally car  -'93 Audi S4- New DD.  Eventually.

Offline idipskoalmint

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Re: The "Which Subaru Engine Is Better" thread
« Reply #17 on: November 12, 2014, 06:15:37 PM »
Sure I'll allow strokers.  Over boring and sleeping, not so much.  :wink:

:-D

The long-rod motor has peaked my interest lately. 2.34 destroked EJ257 with a "mild" turbo like the GTX3071R.
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Offline Pitcrew

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Re: The "Which Subaru Engine Is Better" thread
« Reply #18 on: November 14, 2014, 01:41:24 AM »
You had to post this when is spend a week in a different country.... :-P


Fa20 and Fa20T are proving to hold their own. I would love to build up a turbo BRZ and make it more nutty than the crawford one.

The JDM Ver7+ EJ207 and a USDM EJ257 with forged pistons are a close second to one another for me. Aside from the oil pick up being garbage on the 257 and the craptastic tune with weak ring lands, both can hold around the same power. But even with replacing the pistons and pick up, you are still 2-3k cheaper with a 257.


And on this subject, since my only hands on experience is with a EJ18, Ej253, and EJ257, the 253 is by far the worst one.  :-D Spun a rod bearing, leaky head gaskets, self destructing timing pulleys....
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Offline HellaJDMRacingSuckcess

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Re: The "Which Subaru Engine Is Better" thread
« Reply #19 on: November 17, 2014, 02:06:22 PM »

Ohh fo sho. Muh favvy is da one dat be like "bub brub blub wub BWAHHH"...  Subie rumble no doubt.

Cuplah' Evinrude outboreds be pulln' a premeum b4 RaceWarz.



JDM pallet delivery an' ayything.


« Last Edit: November 17, 2014, 02:11:12 PM by HellaJDMRacingSuckcess »
wanna race ?

Offline deadlydave

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Re: The "Which Subaru Engine Is Better" thread
« Reply #20 on: November 17, 2014, 02:11:28 PM »
Cuplah' Evinrude outboreds be pulln' a premeum b4 RaceWarz.

THE RETURN OF HELLAJDM!   :lol:

Offline Pitcrew

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Re: The "Which Subaru Engine Is Better" thread
« Reply #21 on: November 17, 2014, 03:44:46 PM »
ayything.

I'm struggling to use this word in a sentence....
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Offline Kavik

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Re: The "Which Subaru Engine Is Better" thread
« Reply #22 on: November 17, 2014, 04:04:03 PM »
I'm struggling to use this word in a sentence....
I believe the term he was looking for is e'rythang  :-D
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