Engine Swaps - Page 2 - Subaru WRX Forum
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#16 Old 01-26-2010, 09:38 PM
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So, is this car AWD anymore? If you changed out the rear end and drive shafts. I'm doubting it... If you only paid that much, that easily means this is a shop car on a shop cars budget.

Edit: Not trying to hate, btw. I love project cars. Its a interesting project, just not my cup of tea on the exhaust note...it might just be the camera microphone distorting it.

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#17 Old 01-27-2010, 04:43 PM
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A LSX motor is not cheap by any means at all and to build one cost some money as well!!

2003 WRX Hybrid build,

Brian
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#18 Old 01-27-2010, 05:21 PM
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mad props to civette, hope you dont mind me posting your video
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#19 Old 01-28-2010, 04:22 AM
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Originally Posted by turmic View Post
Probably going to need to do a EJ257 short block with wrx heads. Otherwise known as a hybrid build. Unless you want to have all the hassles of switching your car from a DBC to a DBW throttle set-up.
Why would a full ej257 longblock necessitate DBW? Why not just stick with DBC?

OP: keep in mind if you decide to do hybrid build your static compression ratio will be slightly higher (~8.6:1)
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#20 Old 01-28-2010, 10:01 PM
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Quote:
Originally Posted by WReXd View Post
Why would a full ej257 longblock necessitate DBW? Why not just stick with DBC?

OP: keep in mind if you decide to do hybrid build your static compression ratio will be slightly higher (~8.6:1)
I was referring to a full longblock with STI heads. The USDM STI heads are set-up as DBW. It's just easier to use WRX DBC heads if your ecu is 02-05 MY and do the hybrid build. From what I've been told. I mean, if it's easy to change STI heads to DBC. Then do it, but I've never heard that.

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#21 Old 01-28-2010, 11:25 PM
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Don't know if this helps, but any EJ block will bolt up to WRX heads. A 257 isn't the end all be all to a subaru swap.

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#22 Old 02-05-2010, 02:35 AM
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Anybody know how much hp can a ej20 If u build it right
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#23 Old 02-05-2010, 06:11 AM
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I read about one that had about 798AWHP, how reliable or usable it was, havent the slightest. And how much it holds of course depends on how well you build it.

Joshua
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#24 Old 02-05-2010, 11:09 AM
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Originally Posted by lancer_013 View Post
Anybody know how much hp can a ej20 If u build it right
1st off which EJ20 are you talking about? B/c there is an EJ205 (US spec) and EJ207 (JDM spec).

No can give you an exact number. It depends on a lot of factors including the quality of the build/parts, quality of the gas, what dyno, and quality of the tune.

It would be a better to ask the person tuning/building your engine.
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#25 Old 02-06-2010, 07:15 PM
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Originally Posted by turmic View Post
I was referring to a full longblock with STI heads. The USDM STI heads are set-up as DBW. It's just easier to use WRX DBC heads if your ecu is 02-05 MY and do the hybrid build. From what I've been told. I mean, if it's easy to change STI heads to DBC. Then do it, but I've never heard that.
The heads and throttle system (pedal, TB) are completely independent of each other. You can mix and match all you want. My friend has a full sti long block in his 02 wrx, and he's still DBC. It's just that if you want to keep AVCS, you need to be more creative.
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#26 Old 02-08-2010, 04:56 PM
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Quote:
Originally Posted by WReXd View Post
The heads and throttle system (pedal, TB) are completely independent of each other. You can mix and match all you want. My friend has a full sti long block in his 02 wrx, and he's still DBC. It's just that if you want to keep AVCS, you need to be more creative.
Thanks WReXd. I just heard its easier to do it the other way. I've never had to do the build and I was going off what I've heard. So, thanks for clarifying. Its always nice to know what someone else has done and how its done.

Kirt
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#27 Old 02-11-2010, 04:03 AM
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Can someone explain to me what DBW, DBC and AVCS are? I haven't really heard of these acronyms before
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#28 Old 02-11-2010, 11:36 AM
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Sure...

DBW = Drive By Wire
DBC = Drive By Cable
AVCS = Active Valve Control System

Here are two relevant links for you to browse through at your leisure:
Avcs Faq
Newb Accronyms

John
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