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Thoughts on whether a Subaru boxer engine would fit a 924.
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acruxksa  



Joined: 06 Nov 2002
Posts: 8
Location: Anchorage, AK

PostPosted: Sun Jun 19, 2005 11:58 am    Post subject: Thoughts on whether a Subaru boxer engine would fit a 924. Reply with quote

Haven't really looked into it, was just wondering if the thought had occurred to anyone else. It's a pretty low profile engine and the 2.5l variant would provide plenty of HP potential. I know it would still take a lot of work and modification, but It might be a lot easier than most v6/v8 transplants and still provide more HP potential than many of the other transplant options.

Subaru's are thick in my neck of the woods, so I could probably find a 1.8l easily, a 2.5l would take a little more time though.

Any thoughts?
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Peter_in_AU  



Joined: 29 Jul 2001
Posts: 2743
Location: Sydney, Australia

PostPosted: Sun Jun 19, 2005 10:25 pm    Post subject: Reply with quote

low-profile but really wide.

Take a tape-measure and measure the width of a scooby motor and then measure the width of a 924 engine-bay. You never know your luck but I doubt it.

Post your findings.
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1979 924 (Gone to a better place)
1974 Lotus 7 S4 "Big Valve" Twin-cam (waiting)
1982 924 (As featured on Wikipedia)

Learn to love your multimeter and may the search be with you
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jamez  



Joined: 03 Nov 2002
Posts: 401
Location: Chehalis, Wa

PostPosted: Mon Jun 20, 2005 2:29 pm    Post subject: Reply with quote

the V8 conversion is very easy, I don't know why a subaru engine would be any easier.
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Jean  



Joined: 19 Sep 2008
Posts: 3

PostPosted: Mon Oct 20, 2008 11:32 pm    Post subject: Subaru Boxer Engine Reply with quote

if you gonna do that go the full hog and employ the transmission , lose the torque tube , instead have a p/shaft and rear diff , then you have a porsche 924 all wheel drive , with some respectable performance. would be very advisable to have some decent braking on it too. i mentioned it earlier on a different thread , 'cause thats what i eventually want to do with mine if i keep her. problem with the standard 924 it is not a performance car by todays standards , so unless you're into the classic original stuff , which is fine but i'm not , an upgrade is essential. My first option would be to upgrade the crank , lightweight 'rods and pistons , convert to EFI , but from what i read , will not really have much more performance anyway. and where i live , cost would be at least triple than changing the engine.
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Chrenan  



Joined: 15 Jan 2003
Posts: 3903
Location: Canada

PostPosted: Tue Oct 21, 2008 12:20 am    Post subject: Reply with quote

A Subaru is my daily driver. I can take some measurements off the flat 4 if you want. However, it parks in the same garage as my 924 and 951, and trust me I've eyeballed it a few times. I am very certain the Subie flat 4 is much too wide to fit.
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Chrenan  



Joined: 15 Jan 2003
Posts: 3903
Location: Canada

PostPosted: Tue Oct 21, 2008 12:28 am    Post subject: Reply with quote

Please excuse the awful steel wheels and hub caps, that will be the winter tire setup. I have a set of flat black Motegi Traklite 1.0 rims for summer.




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1987 951 - M193 Version for Japan
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands

PostPosted: Tue Oct 21, 2008 2:03 am    Post subject: Reply with quote

don't know about the width... friend of mine fitted a subaru 2.0 engine from a legacy in a vw bug... and those don't have that much space... but it fits...
is a 2.5 that much wider?
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"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

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Killed her at the Nurburgring, Porscheless at the moment
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bruni  



Joined: 26 Jul 2008
Posts: 114
Location: South Africa

PostPosted: Tue Oct 21, 2008 4:32 am    Post subject: Reply with quote

Sell the 924 and drive the Impreza
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tuurbo  



Joined: 08 Aug 2007
Posts: 1446
Location: East Windsor, New Jersey

PostPosted: Fri Dec 05, 2008 6:53 pm    Post subject: Reply with quote

On the hood of those Imprezas, there's a big scoop. Is that where they put Kleenix?
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Chrenan  



Joined: 15 Jan 2003
Posts: 3903
Location: Canada

PostPosted: Sat Dec 06, 2008 12:55 am    Post subject: Reply with quote

Only on the turbocharged models. It cools the top mounted intercooler. Functional, unlike most of the bits on many new cars.
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milnersXcoupe  



Joined: 12 May 2009
Posts: 25
Location: New Paltz, NY

PostPosted: Fri May 15, 2009 8:47 pm    Post subject: Reply with quote

'bUMp'..

What about those measurements ?
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milnersXcoupe
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milnersXcoupe  



Joined: 12 May 2009
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Location: New Paltz, NY

PostPosted: Fri May 15, 2009 8:59 pm    Post subject: Reply with quote

J1NX3D
Joined: 06 Feb 2003
Posts: 1154
Location: Akl, NZ

Post subject: Front mounted air cooled Beetle motor in 924???





If a Turbo 911 Air Cooled fits in a 924 / 944 a Subaru has GOT to fit .. perhaps











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milnersXcoupe


Last edited by milnersXcoupe on Fri May 15, 2009 9:23 pm; edited 1 time in total
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milnersXcoupe  



Joined: 12 May 2009
Posts: 25
Location: New Paltz, NY

PostPosted: Fri May 15, 2009 9:06 pm    Post subject: Re: Subaru Boxer Engine Reply with quote

Jean wrote:
if you gonna do that go the full hog and employ the transmission , lose the torque tube , instead have a p/shaft and rear diff , then you have a porsche 924 all wheel drive , with some respectable performance. would be very advisable to have some decent braking on it too. .



You can mod the Subaru transmission to 2wd with a little bit of welding - they do this to get the cars onto dynos then change out later.

Drifters are drifting Subaru's now with this mod - but longevity of trans takes a hit regardless of usage as that extra load which went to the front diff now stacks up in 2wd config.

They're working on solving this - read this :

http://www.clubwrx.net/forums/powertrain/27532-converting-awd-2wd-rwd-w-pics.html
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milnersXcoupe
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milnersXcoupe  



Joined: 12 May 2009
Posts: 25
Location: New Paltz, NY

PostPosted: Fri May 15, 2009 9:17 pm    Post subject: EFi Wire Harness Swap : Subaru \ Subaru Turbo 2.5 \ Subaru 6 Reply with quote

For $495.00 :

http://enginewiring.com/

will take your stock Subaru car wire harness and craft it to be a drop in stand alone EFi item allowing use of Factory Subaru ECm to maintain all control functions.

Latest Subaru 2.5 Turbo is 265hp Stock.
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skemcin  



Joined: 02 Sep 2003
Posts: 1284
Location: Plainfield, IL

PostPosted: Fri May 15, 2009 11:09 pm    Post subject: Reply with quote

Roughly 30x36x20

That's my 02 Impreza 2.5 litre engine which I think is still (generally) the same (dimensions) as the latest production boxer.

Mind you this is rough. The 30 width is tight. Some power cable might need to be rerouted, this measurement was the engine mass. Add four more inches if you want to plug and play. The 36 inches is from the firewall to the front upper radiator hose while the 20 inches is measured (roughly) from the front bottom of the engine to (roughly) the top of the oil cap's height.

If you would like more accurate dimensions, give me a reference point to measure from - like maybe the engine dimensions, inner fender to inner fender, or firewall to radiator, or hood down crawl underneath and push the tape measure to the hood and measure to the oil pan or cross member . . .
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