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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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 Posted: Thu Dec 01, 2016 4:09 pm Post subject: Boxster 1.8t |
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I'm putting a 1.8t in my Boxster.......
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gears
Samba Member
Joined: October 28, 2002
Posts: 4409
Location: Tamarack, Bend, Kailua
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| Posted: Sat Dec 03, 2016 8:40 am Post subject: Re: Boxster 1.8t |
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You never cease to amaze me, Andrew. Nice work ..
_________________
aka Pablo, Geary
9.36 @ 146 in '86 Hot & Sticky
'90 Syncro Westy SVX
'87 Syncro GL 2.5
https://guardtransaxle.com |
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helowrench
Samba Member
Joined: August 27, 2003
Posts: 567
Location: dallas texas
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| Posted: Mon Dec 05, 2016 7:24 pm Post subject: Re: Boxster 1.8t |
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Do you have a build log anywhere?
That is something I have been thinking about for quite a while now.
Rob
_________________
Current VWs:
70 bug vert for wifey
73Thing bucket o rust
73 914 1.7
12 Passat 2.5 Highway cruiser |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Mon Dec 05, 2016 8:04 pm Post subject: Re: Boxster 1.8t |
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no build log, sorry. You'll just have to go off the pictures. The nice part is, the engine just bolts right up to the transmission. The engine mount needs an adapter made to bolt it up to the engine. The coolant hoses need to be adapted to the Porsche. Wiring needs to be tied in. Exhaust too, I'm just using one of the Stock Converters and no muffler for now, the turbo acts as a muffler.
One thing I am not certain on yet is how the gearing will be with this engine. If it's too tall, I'll just put one in from a 1.8t Passat. The Boxster uses the same transmission, just different gearing. |
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GLIDE
Samba Member
Joined: March 28, 2010
Posts: 15
Location: Boulder, CO
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| Posted: Thu Jan 05, 2017 10:11 am Post subject: Re: Boxster 1.8t |
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Bravo!
What is the DME situation/plan? |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Thu Jan 05, 2017 10:44 am Post subject: Re: Boxster 1.8t |
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| GLIDE wrote: |
Bravo!
What is the DME situation/plan? |
The engine is running with the stock 1.8t ECM, The Porsche DME has been removed. The car starts and runs now, next step is to complete the intercooler/intake system and then complete the matching of the gauges to the engine. It's parked now, I got side tracked with my Bay window bus 1.8t/5 speed project.
Andrew- |
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tisius
Samba Member
Joined: July 11, 2011
Posts: 1570
Location: Rotterdam,NL (+Chicago,IL)
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| Posted: Thu Feb 23, 2017 11:13 am Post subject: Re: Boxster 1.8t |
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I don't get this.... why?
Cheaper running costs or something?
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drive it like you just robbed the bank
you don't have to be crazy to be into VW's, but it sure helps!!
.... if it ain't dutch, it ain't much! |
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falcor75
Samba Member
Joined: December 31, 2012
Posts: 13
Location: Sweden
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| Posted: Tue Feb 28, 2017 5:32 am Post subject: Re: Boxster 1.8t |
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He probably bought a cheap Boxster with a blown engine. 1.8t's are much cheaper and more plentifull than Porsche 6's.
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Restoring a Porsche 914, one messed up part at a time. http://www.matsgarage.com
https://www.instagram.com/914rs/ |
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flightpath
Samba Member
Joined: February 28, 2017
Posts: 2
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| Posted: Tue Feb 28, 2017 8:09 pm Post subject: Re: Boxster 1.8t |
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| I want to put a 1.8t with a boxster s trans in a 914. I have both trans and engine. how did you overcome the starter issue? |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Fri Mar 03, 2017 3:51 pm Post subject: Re: Boxster 1.8t |
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| flightpath wrote: |
| I want to put a 1.8t with a boxster s trans in a 914. I have both trans and engine. how did you overcome the starter issue? |
Just use the 1.8t starter, its made to bolt right up to the Boxster transmission. |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Fri Mar 03, 2017 3:53 pm Post subject: Re: Boxster 1.8t |
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| falcor75 wrote: |
| He probably bought a cheap Boxster with a blown engine. 1.8t's are much cheaper and more plentifull than Porsche 6's. |
Exactly this. There are plenty of Boxsters in beautiful shape with dead engines because of the IMS issues. The 1.8t can give you the same HP, save about 150 lbs, and at a fraction of the price. |
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Starbucket
Samba Member
Joined: April 30, 2007
Posts: 4163
Location: WA
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| Posted: Fri Mar 03, 2017 5:15 pm Post subject: Re: Boxster 1.8t |
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| xoo00oox wrote: |
no build log, sorry. You'll just have to go off the pictures. The nice part is, the engine just bolts right up to the transmission. The engine mount needs an adapter made to bolt it up to the engine. The coolant hoses need to be adapted to the Porsche. Wiring needs to be tied in. Exhaust too, I'm just using one of the Stock Converters and no muffler for now, the turbo acts as a muffler.
One thing I am not certain on yet is how the gearing will be with this engine. If it's too tall, I'll just put one in from a 1.8t Passat. The Boxster uses the same transmission, just different gearing.
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Tall gears are good if you want to get into boost early, you cant build boost if the motor is spinning to freely. I would go with a Center Force dual friction clutch assy., so you don't burn up your stock clutch. |
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flightpath
Samba Member
Joined: February 28, 2017
Posts: 2
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| Posted: Tue Mar 07, 2017 7:33 pm Post subject: Re: Boxster 1.8t |
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| what flywheel, clutch and starter did you use? the 1.8t starter originally bolted to the trans side. |
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falcor75
Samba Member
Joined: December 31, 2012
Posts: 13
Location: Sweden
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| Posted: Wed Mar 08, 2017 4:51 am Post subject: Re: Boxster 1.8t |
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| xoo00oox wrote: |
| falcor75 wrote: |
| He probably bought a cheap Boxster with a blown engine. 1.8t's are much cheaper and more plentifull than Porsche 6's. |
Exactly this. There are plenty of Boxsters in beautiful shape with dead engines because of the IMS issues. The 1.8t can give you the same HP, save about 150 lbs, and at a fraction of the price. |
Cool build, I built a Mk1 Scirocco with a AJL Engine out of an Audi A4, sold it in 2010.
Might have to look into the possibilities of doing a Boxster when I'm done with my 914. 
_________________
Restoring a Porsche 914, one messed up part at a time. http://www.matsgarage.com
https://www.instagram.com/914rs/ |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Mon Mar 13, 2017 6:21 pm Post subject: Re: Boxster 1.8t |
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| flightpath wrote: |
| what flywheel, clutch and starter did you use? the 1.8t starter originally bolted to the trans side. |
Passat flywheel, clutch, and starter. |
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sjbartley
Samba Member
Joined: November 30, 2016
Posts: 33
Location: Reno, NV
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| Posted: Fri Mar 24, 2017 2:10 pm Post subject: Re: Boxster 1.8t |
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| Did you adapt the 1.8t engine harness to the boxster? Very cool idea could be a great ride with that weight loss. |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Fri Mar 24, 2017 2:31 pm Post subject: Re: Boxster 1.8t |
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| sjbartley wrote: |
| Did you adapt the 1.8t engine harness to the boxster? Very cool idea could be a great ride with that weight loss. |
yes, It's not all done yet though. All the gauges are not tied in yet. I haven't touched this car in a few months other than to drive it in and out of storage. I'm in the middle of other very big jobs. Hope to be back to it soon. |
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mikemannn
Samba Member
Joined: September 18, 2017
Posts: 1
Location: canaderp
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| Posted: Mon Sep 18, 2017 6:14 pm Post subject: Re: Boxster 1.8t |
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Hey !
Just signed up because I'm doing this swap as well.. I kinda stumbled on this thread looking at wiring diagrams
I seem to stumble on TheSamba quite a bit , but haven't ever signed up.
Any more progress to share on yours?
Cheers -
Mike |
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Markbyler
Samba Member
Joined: July 10, 2018
Posts: 1
Location: Midwest
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| Posted: Tue Jul 10, 2018 7:29 pm Post subject: Re: Boxster 1.8t |
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Subscribed for an update?
Mark- |
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xoo00oox
Samba Member
Joined: February 11, 2010
Posts: 2717
Location: East Nassau, NY
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| Posted: Tue Nov 06, 2018 3:42 pm Post subject: Re: Boxster 1.8t |
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Hey guys, how about an update for those that are following.
The Boxster sat untouched for over a year. I had a very busy year building a new house on top of a mountain. I moved into it in May and am enjoying the off-grid life. Last week I found some time to bring in the Porsche and put some more time into it. When I had last worked on it, the engine was in and mounted and would yard drive but had not road-tested.
I had to put a bulge in the rear engine cover to make it clear the engine. I got all the intake lines and hoses hooked up, neatened up a lot of the wiring, and finished up the cooling system. I then got to finally take it out on the road for that long awaited first road test. It was very rewarding, the car feels very nice. I'm running an APR tune that should bring the power to around 200hp, the stock flat 6 cylinder of the Boxster was 209hp. The new engine reduces the weight about 150lbs.
Stay tuned for a video coming soon........
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