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 crsedge
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| posted on September 2nd, 2011 at 08:33 PM |
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914 WRX Conversion
Hi All,
I am starting to give some thought to the next project, and have been thinkng for a number of years about a 914 2.5 STI WRX, complete with the Subaru
5- speed.
I know that Boof2332 started on a twin turbo project sometime ago, and that this recently sold again.
I have done the standard Google Search and found some information and U-Tube clips on those who have done it in the US, but have not seen one done
here in Australia. There is even a conversion kit in the US!
Has anyone here on the Forum done one, or know of someone who has? I am keen to hear of any other's experiences, or even whether anyone is doing
these commercially in OZ (which I doubt very much but am happy to be corrected!).
Cheers
Craig
May '55 Oval
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vlad01
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| posted on September 2nd, 2011 at 08:54 PM |
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thinking about it, it should be easier than a suby conversion in a bug.
suby box will work correct the right way around, rads should/maybe easier to get air to?
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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crsedge
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| posted on September 2nd, 2011 at 09:37 PM |
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| Quote: | Originally
posted by vlad01
suby box will work correct the right way around, rads should/maybe easier to get air to?
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Given the engine is mid mounted in a 914 (and thus behind the gearbox), why would that mean the suby box would be the right way around? Would it not
have a similar orientation to a Beetle?
Cheers
Craig
May '55 Oval
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vlad01
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| posted on September 2nd, 2011 at 10:03 PM |
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no its mid engine layout, so the box is the other way around with the bell housing facing to the front of the car.
see in this pic.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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ttriebler
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| posted on September 2nd, 2011 at 11:40 PM |
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There are heaps of these completed conversions on 914 world forum. They fit really well and as you say, very simple to do as they are a mid mount.
Have a look at some of the great build threads on that forum.
I make the 2WD locking spool, 2WD transmission blank off plate and the subie to vw output flanges that you will need for this conversion, just take a
look at http://www.subarugears.com
The twin turbo one up at boofs that was going to be going in the 914 has been sold but I saw how they did the gearshift rod. Really easy rod that made
its way around the bottom/side of the motor/transmission and then had a pivot onto the subie shift rod. Simple and elegant. Best of luck with your
project!
Reversed gears for Subaru transmissions.
Fit a Subaru 5 speed to your rear engined car
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crsedge
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| posted on September 3rd, 2011 at 07:06 AM |
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Thanks for the information guys. ttriebler, you were on my list of possible resources regarding this project from my ongoing scanning of this
particular topic area on the forum.
Cheers
Craig
May '55 Oval
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Jak Rizzo
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| posted on September 5th, 2011 at 07:13 AM |
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| Quote: | Originally
posted by vlad01
thinking about it, it should be easier than a suby conversion in a bug.
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Really? but u said in another post
"suby just doesn't excite me at all.
sure they have power but its all up top. I much prefer bottom end"
So what changed your mind. Did u actually go for a ride in a WRX powered vw to find out thats incorrect?
Jak
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1303Steve
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| posted on September 5th, 2011 at 11:13 AM |
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Hi
A 914 would make a great conversion to WRX power, you should also consider a Boxster drive line.
914s have a very cramped seating position, make sure you can fit into one before making too many plans.
Steve
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vlad01
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| posted on September 5th, 2011 at 05:27 PM |
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That would be perfect for me then 
the 914 is on my cars to get list anyways 
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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crsedge
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| posted on September 5th, 2011 at 07:12 PM |
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| Quote: | Originally
posted by 1303Steve
Hi
A 914 would make a great conversion to WRX power, you should also consider a Boxster drive line.
914s have a very cramped seating position, make sure you can fit into one before making too many plans.
Steve
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Hi Steve,
What would be the advantage of a Boxter driveline over that of a Subaru one that would naturally mate up to a Subaru Powerplant?
Re: fitting in one, I have owned one before so know that it also isn't a problem for me either, but thanks for the heads up! 
Cheers
Craig
May '55 Oval
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Craig S
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| posted on September 6th, 2011 at 10:08 AM |
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| Quote: | Originally
posted by 1303Steve
A 914 would make a great conversion to WRX power, you should also consider a Boxster drive line.
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I've spent some time day dreaming about this. This is what I was thinking, but please correct me if I'm wrong 
Boxster would require fewer changes because gearbox is right way round and requires no coversion.
No turbo gear required.
It's Porsche so it keeps it all Porsche
Flat six would be nice, and again would stick with the heritage.
WRX would require some conversion parts and fabrication to make the gearbox work correctly.
Need for extra rad for intercooler?
My questions would be:
* Given the name Porsche would be stamped on the block and gearbox, how much more expensive would it be to do a Boxster conversion instead of a WRX
* What would the power difference be? Much would depend on which engine you got (of either variety). From my quick google, the power difference
wouldn't seem to be all that big
* What would the weight difference be? Presumably the Porsche would be heavier, but then it would have less accessories than the WRX (turbo,
intercooler etc). If total weight of the Porsche was more, would it adversely affect the handling? Would any additional weight blunt any power
advantage?
Either way, it would be a fantastic project, and the final product, done right, would be unique and a blast to drive.
1969 Beetle - June
1974 L Bug - Gwendolyn
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1303Steve
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| posted on September 6th, 2011 at 10:35 AM |
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Hi
The WRX box would also be going in the correct direction as well because the motor would be in the same orientation as that on a WRX.
This 914 has a Boxster motor, it was at the German autofest last year in Canberra.
Steve
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vlad01
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| posted on September 6th, 2011 at 11:39 AM |
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watch out! boxster engines are built out of the factory to explode. The IMS bearing along with a few other factory blunders make these a great grande
just like 996 and 997 engines.
If you want a good reliable boxster engine then you better speak to the experts at "flat 6 innovations"
They have collaborated with LN engineering and Jake Raby to produce the most reliable boxster and 996/7 engines on the market.
Should also keep in mind that a boxster engine is about $18k from these guys. Better stick to suby power if you can't afford that me thinks?
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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vlad01
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| posted on September 6th, 2011 at 11:43 AM |
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They are a bastard to assemble and require special tools, techniques etc... which make them expensive.
http://www.flat6innovations.com/engine-assembly
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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crsedge
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| posted on September 6th, 2011 at 07:53 PM |
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I am aware of a number of Porsche mechanics who are not big fans at all of the Boxster plant for similar reasons so keen to avoid, but thanks Steve
for the suggestion. That car looks very well presented and sorted.
Are there any recent changes to registration for this engine swap that I would need to consider before embarking? I remember reading some time back
that there were some developments in this space that may change the ability to register.
Cheers
Craig
May '55 Oval
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bus914
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| posted on September 6th, 2011 at 08:54 PM |
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Don't take the easy option. Do it right and put a V8 in it. From a 928 preferably. 
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vlad01
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| posted on September 7th, 2011 at 09:43 PM |
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V8???
what? why would anyone every want a V8? Especially a 928!
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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crsedge
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| posted on September 7th, 2011 at 09:52 PM |
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| Quote: | Originally
posted by bus914
Don't take the easy option. Do it right and put a V8 in it. From a 928 preferably.
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Saw a 914 in an issue of Retro Cars with a Chev V8 in it that was said to go like stink. I would also avoid the 928 donk!
May '55 Oval
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 Yogie
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| posted on September 8th, 2011 at 07:57 AM |
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This is one of only 2 factory made 914 V8's and is in the Porsche museum in Stuttgart. It is a bit hard to see too much as it was all closed up but
it will give you an idea.
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Yogie
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| posted on September 8th, 2011 at 07:58 AM |
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The ultimate sleeper
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ttriebler
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| posted on September 8th, 2011 at 08:29 AM |
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zzzzzzzzzzzz to the V8 concept.
Whack an EZ30 flat six in it with two snails and you have more torque than the chassis can ever handle.
To be honest - you really can't fit enough tyre under these things as it is - an EJ20T or EZ30 n/a will be tons.
Reversed gears for Subaru transmissions.
Fit a Subaru 5 speed to your rear engined car
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crsedge
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| posted on September 8th, 2011 at 12:49 PM |
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| Quote: | Originally
posted by Yogie
The ultimate sleeper
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The ultimate sleeper/STI is my plan, though with GT flares to accomodate wider wheels/tyres and which also add some more shape to the aesthetics
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Yogie
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| posted on September 8th, 2011 at 04:27 PM |
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This thread has piqued my interest in the 914. My wife loves them but I used to be take or leave them. Seeing the V8 one was interesting, especially
with the subtle flares to allow wider wheels. I had never really thought of doing one though but an STI in one would be mind blowing.
I look forward to the progress on this.
Yogie
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vlad01
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| posted on September 8th, 2011 at 07:53 PM |
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Raby builds special engine packages just for them, just another path you could take. Type 4 of course 
just look at this one go.
http://www.youtube.com/watch?v=1uFRrbjy_pM
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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waveman1500
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| posted on September 8th, 2011 at 08:14 PM |
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The factory engines for the 914 are more than capable of making power. You can either build up a hot Type 4, or if you have a bit more cash then go
for the 914/6 option and put in a 911 engine. If you're going to put WRX power in a mid-engined car then you may as well make it a kit car!
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Craig S
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| posted on September 9th, 2011 at 08:49 PM |
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Funny the timing of this one.....
http://jalopnik.com/5838201/for-11000-this-914-sbc-should-be-pdq
http://losangeles.craigslist.org/wst/cto/2568877394.html
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pete wood
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| posted on September 9th, 2011 at 10:54 PM |
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It's a common conversion in the US. Because the type 4 was so underwhelming. I mean even porsche could see that. They built the 914/6.
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vlad01
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| posted on September 10th, 2011 at 08:56 PM |
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lol love to comments in the first link. just what a v8 does to just about every car.
71 notchback,
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pete wood
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| posted on September 12th, 2011 at 04:39 PM |
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You know, the first gen CAN AM cars were pretty much identical to this. European sports cars with big US V8s. Seem blunt and undignified, but really
who cares. They WENT! But yes, it could do with a better box. An STI trans would probably do the trick nicely.
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GeorgeL
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| posted on October 18th, 2011 at 08:30 AM |
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I wouldn't want a Boxster engine in a Boxster, let alone a 914! They tend to shed the plating on the cylinders at about 50K if you get a bad one.
Game Over, insert $20,000 to play again.
OTOH, the Subarus are pretty reliable and the conversion bits are available. What's not to like?
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