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Quote:
Originally Posted by cvwcr32 View Post
We have nearly finnished a Boxster 2.5 into a 72 The engine fits like it was made for it on custom mounts which pick up on the original body mounts.
Interesting. What year Boxster did the engine come out of?

When i looked into this conversion around 2002ish, i measured several late '90s Boxster engines and they all were too wide and would not have cleared the suspension ears on the 914.
Hence my comment above about relocating those.


Did they change the dimensions of the engine over the years?
Andy

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Old 06-01-2010, 01:12 PM
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I don't think the engines are different widths but I haven't really had the chance to measure every different size.The 2.5 we used is out of a 98 99 I believe. Once we have got everything sorted and a bigger engine comes along( anybody got a 3.2 or bigger?) it will probably be a staight swap and a remap.
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72 914 Boxster Power, 09 Audi S3 APR st3
92 G60 Corrado, 80 Caddy 1.8T
76 Scirocco 1.8T Q, 09 Tiguan APR st1
Old 06-02-2010, 02:29 PM
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will get some more up to date pics and post soon.
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72 914 Boxster Power, 09 Audi S3 APR st3
92 G60 Corrado, 80 Caddy 1.8T
76 Scirocco 1.8T Q, 09 Tiguan APR st1
Old 06-06-2010, 11:22 PM
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Very nice work! that is a tight fit but it's in there!
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Old 06-08-2010, 06:02 PM
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Hey, that looks good. Can you post a pic of where the suspension ear is in relation to the head. I suspect by looking at the pics you posted, that the engine is much further to the rear than mine because on the passenger side on my car the 2.7 cam gear area of the head would hit the ear. I will add some pics but have to find them.

I have posted pics before over on the "world" site before but I have many more. I picked the location where the boxster 5 speed output flanges are closest to lining up with the trailing arm hubs. I had Rich Johnson develop a mount for the front of the motor that mounts to his standard "6" firewall mount.

Your trans and motor look alot different than my 2.7 motor and trans too. The sump on yours is alot smaller and the trans looks alot shorter. I know the 3.2 trans is different again. Post some more pics and I will add some of the 2.7 for comparison.

Jim
Old 06-11-2010, 04:46 PM
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Here a few pics. overall, passenger side at ear, drivers side ear







Old 06-11-2010, 04:59 PM
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The Boxster engine sounds like a great idea, especially with no limit on budget. If you are looking at costs, then I can't think of a better conversion than a Subaru EZ30R engine. Looking at around $1500 to $2000 for the engine and Subaru 5spds are cheap. 250 reliable horsepower and a 240lb. engine weight. That is a savings of 100 to 200 pounds over a Boxster engine, LS1, 3.6 911 engine. The best bank for the buck, and it still is a horizontally-opposed engine.
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Old 06-12-2010, 09:35 AM
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now drives


Shot of exhaust and water pipes

Radiator and fan(T4 fan and custom aluminium radiatior)

New battery location

Front brakes.944 turbo discs and boxster s calipers


Front wheels on 30mm spacers and brakes

Recovered leather seats and yes the only rhd Corrado in Australia

It's had half a dozen drives around the block on a basic engine map.Should be on the dyno early next week to find some good power.It sound s awesome and not like an old kombi anymore!
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72 914 Boxster Power, 09 Audi S3 APR st3
92 G60 Corrado, 80 Caddy 1.8T
76 Scirocco 1.8T Q, 09 Tiguan APR st1
Old 09-14-2010, 10:28 PM
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Very cool!

How's the rear suspension mounted? Same as stock?

Is the drivetrain moved back or up?

Very neat to see it fitting, and I'm glad to hear it's driving!!

--DD
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Old 09-15-2010, 08:26 PM
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The rear suspension is all in the original location-untouched,thats why we use igition leads not coils.Still have to drop the front of the engine to change 2 plugs.The driveshafts are straight so the engine is a little forward but changing a belt and water pump is easy and the bottom of thee sump is level with the bottom of the floor pan. On the dyno tommorow to get a little bit of timing and fuel and later we will play with the cam timing to see if there is any more power to be had.
Will keep you posted on progress.
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72 914 Boxster Power, 09 Audi S3 APR st3
92 G60 Corrado, 80 Caddy 1.8T
76 Scirocco 1.8T Q, 09 Tiguan APR st1
Old 09-15-2010, 11:13 PM
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This thread needs an update...
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Old 10-28-2013, 01:27 PM
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Hey cvwcr32, I would love to see a photo of how you mounted those Golf 5 rear calipers onto the 914. I would like to try it with my 71.

1971 914...now a 1910cc.
Old 10-29-2013, 03:30 PM
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thats different

Good Aussie know how and coming from my home town too.
Old 10-30-2013, 09:07 PM
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Well it's been a long time since the last check in and I have now changed to a 3.2S engine and the 5 speed from a 2.7 as the 2.5 box was just too short. Making around 290 HP now and bags of torque. Have logged thousands of trouble free trips and gets daily driven (school runs as well) and a few shows with some good results. Couldnt be happier with the car Šnd its so much fun to drive. Not as quick as the 3.6 turbo Cayman.
Old 02-21-2019, 03:45 PM
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Very cool swap here!
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Old 03-02-2019, 06:59 AM
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Old 10-10-2019, 04:45 PM
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Great work!!
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Gone but not forgotten: 1971 914 First Car (SOLD) | 1972 914 rust bucket (SOLD) | 1986 944 Turbo (Murdered by a Chevy Truck on the freeway)
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Old 10-11-2019, 09:32 AM
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Quote:
Originally Posted by caymanr32 View Post
Well it's been a long time since the last check in and I have now changed to a 3.2S engine and the 5 speed from a 2.7 as the 2.5 box was just too short. Making around 290 HP now and bags of torque. Have logged thousands of trouble free trips and gets daily driven (school runs as well) and a few shows with some good results. Couldnt be happier with the car Šnd its so much fun to drive. Not as quick as the 3.6 turbo Cayman.


Hello Caumanr32- I have a 74 914 that I wanted to do the exact thing too and how I came across you. If you would be kind enough, Iíd love to be able to see some better pictures of the build, especially how you mounted the engine and trans. Iím currently looking at an 05 Boxster S and planning on taking out the both. I know how to remove mine from my 914, but everyone pushes the Subi kits and I wanted to keep it as close to Porsche as I can. Did you create and mounting brackets to pair up with the original ones, or did you fabricate anything special to connect it? Thank you for your time, I appreciate any help you can provide.

Old 05-01-2020, 10:52 AM
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