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wasz
Magny-Cours


Joined: 28 Dec 2012
Posts: 2627


1999 Porsche 996 Carrera 2

PostPosted: Tue Oct 02, 2018 8:05 pm    Post subject: Reply with quote

Wow, I remember following your build thread on the corrado forum too! Those corvette wheels thumbsup

I wonder just how many of us here had a Corrado 14 years ago (I had a couple of VR6s)!

I hear you on the alternative engine. Unfortunately Porsche are not like VAG in that every engine fits everything pretty easy..... Would an Audi engine fit? theres a guy on piston heads who fitted an Audi 2.7T to a boxster. In fact its the end time round as his first set on fire.

https://www.pistonheads.com/gassing/topic.asp?t=1695359

If it fits in a boxster... maybe in the 996? But maybe that did use the audi derived gearbox with just a bell housing swap.
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Tue Oct 02, 2018 9:37 pm    Post subject: Reply with quote

LOL it’s amazing how many people remember the Corrado build!

The LS3 will fit fine and work nicely.

First step of the weight reduction side of things tonight. Interesting what you find under seats. Five a day anyone! 😄🍎🍐
 



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coullstar
Barcelona


Joined: 15 Sep 2015
Posts: 1264
Location: Aberdeen/Torphins


PostPosted: Tue Oct 02, 2018 10:26 pm    Post subject: Reply with quote

wasz wrote:
Wow, I remember following your build thread on the corrado forum too! Those corvette wheels thumbsup

I wonder just how many of us here had a Corrado 14 years ago (I had a couple of VR6s)!

I hear you on the alternative engine. Unfortunately Porsche are not like VAG in that every engine fits everything pretty easy..... Would an Audi engine fit? theres a guy on piston heads who fitted an Audi 2.7T to a boxster. In fact its the end time round as his first set on fire.

https://www.pistonheads.com/gassing/topic.asp?t=1695359

If it fits in a boxster... maybe in the 996? But maybe that did use the audi derived gearbox with just a bell housing swap.


Yeah he is on an Audi forum I'm on. Fits but there is a lot of one off fab work to do. Knowing how my RS goes it would fly but I reckon must be a handful with the power delivery.

Must admit the Ls3 makes financial sense but to me a 911 is flat six. V8 noise from one just doesn't seem right but then I must be one of the few petrol heads in the world that doesn't really like the V8 noise.
Good luck with it, I'm sure it will be ace. Just disconnect two coilpacks Laughing
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wasz
Magny-Cours


Joined: 28 Dec 2012
Posts: 2627


1999 Porsche 996 Carrera 2

PostPosted: Wed Oct 03, 2018 2:59 pm    Post subject: Reply with quote

Not sure what engine is in yours, but if its an M96 Porsche has reduced the price for a short engine recently, there is some debate about how much though:

http://911uk.com/viewtopic.php?p=1434287#1434287

Maybe they will follow suit with the M97 in due course....
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Fast Bug
Monza


Joined: 01 Nov 2017
Posts: 216



PostPosted: Wed Oct 03, 2018 9:12 pm    Post subject: Reply with quote

Sounds like a great project Mr. Green
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Thu Oct 04, 2018 3:05 pm    Post subject: Reply with quote

So a quick weigh in last night and these things are heavier than I thought.
25kg each. So a 30kg weight saving with the first change to pole positions.

Wonder what the door cards weigh?.... 😄

Jay
 



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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Fri Oct 12, 2018 3:00 pm    Post subject: Reply with quote

Mini update. Been super busy with work so not a huge amount of actual progress, but did manage to go and catch up with my mate who has a 3D scanning business and discuss options for data capture of the 997 while the engine is out.
Did a bit of playing around with some 3D scans he had of a 964 and a V8 vantage engine... plan is to do the real thing in a couple of weeks with my 997 and then get the LS3 engine positioned and work out the CofG etc...
Clever stuff and will allow all the parts to be accurately modelled....
 



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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 14429
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Oct 12, 2018 8:40 pm    Post subject: Reply with quote

Pop Corn Pop Corn Pop Corn Pop Corn Jay dont let work get in the way of the important things Grin Grin
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plynchy
Imola


Joined: 13 Aug 2004
Posts: 865
Location: Teesside


PostPosted: Sun Oct 14, 2018 3:51 pm    Post subject: Reply with quote

You know there's an outfit in the states do all the parts for a 996 LS conversion? Dont know
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Mon Oct 15, 2018 10:16 pm    Post subject: Reply with quote

plynchy wrote:
You know there's an outfit in the states do all the parts for a 996 LS conversion? Dont know


Yep, renegade hybrids. It looks OK, but it’s not exactly how I want to do it and does not address some fundamentals imho.

I want to make it as OEM looking and as well engineered as possible so will do it myself....

Jay
 
  
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Thu Oct 25, 2018 8:53 pm    Post subject: Reply with quote

So a major step forward in the project today. My best mate who runs a 3D scanning business capturepoint.co.uk came up and scanned my existing 3.8 engine, gearbox and engine bay. This will give all the data we Need to create a fully accurate model of the V8 engine in the engine bay and model up the mounts and ancillaries needed.
It also allowed us to accurately establish the centre of gravity of the existing engine so this can be matched with a V8 and some additional weights. The CofG Was calculated by hanging the engine in different orientations from a crane and then realigning a common datum to find the centre of mass.
It also allowed us to weigh the complete dry engine which was exactly 200kg.
A fascinating day and I am now excited for the next steps.
 



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asterix_the_gaul
Suzuka


Joined: 20 Dec 2008
Posts: 1104
Location: Cheshire

1999 Porsche 996 Carrera 2

PostPosted: Thu Oct 25, 2018 9:50 pm    Post subject: Reply with quote

Loved when hoovie did his LS swop a while back using the renegade kit, he found the car stupidly quick afterwards and getting the dash to work was a struggle, but it worked for him, till he grenaded the LS too..
Highlights.. https://youtu.be/imrtgl5Zp2w
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1999 996 C2 Coupe, Ocean Blue/Graphite grey
2002 E46 M3 Cabriolet, Laguna seca blue/LSB
 
  
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Thu Oct 25, 2018 10:06 pm    Post subject: Reply with quote

Yeah, he used a second hand unknown engine and didn’t dry sump the LS then went tracking it. Not a good idea.
 
  
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DrJimBone
Monza


Joined: 12 Oct 2017
Posts: 216
Location: Bournemouth


PostPosted: Thu Oct 25, 2018 10:13 pm    Post subject: Reply with quote

I take it you have found the 'Swapped Porsche' group on Facebook? Lots of useful info there. Most of the builders are in the US but almost guaranteed one of them will have faced each issue you run in too. Thumb
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infrasilver
Fast & Furious
Fast & Furious


Joined: 04 Oct 2010
Posts: 7868
Location: East Midlands

2001 Porsche 996 Targa

PostPosted: Thu Oct 25, 2018 10:16 pm    Post subject: Reply with quote

How technology has changed, when I dropped a V8 into my old Opel Manta some 25 + years ago I just had to lie there with a MIG welder and some metal plate to make engine mounts with the engine hovering over the engine bay from the block and tackle. No previous research was done and no info available, just lots of guess work.

I look forward to the updates.
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Fri Oct 26, 2018 8:47 am    Post subject: Reply with quote

Oh I have done conversions like that too Smile
Figured as I had the facility available to me this time I would go a bit more hi-tech and hopefully have a much better final product because of it.
Fingers crossed I will also have the data and parts for others in the future if they want to do the same.
 
  
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MaxA
Barcelona


Joined: 11 Oct 2015
Posts: 1272
Location: Helsinki


PostPosted: Fri Oct 26, 2018 11:42 am    Post subject: Reply with quote

Nice update. I don't think 200kg dry is too bad but there are a lot of fluids in the flat six...
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Fri Oct 26, 2018 1:32 pm    Post subject: Reply with quote

The LS3 is 175kg so I have 25kg to place where I want to for correcting the CofG
 
  
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JayG60
Silverstone


Joined: 14 Jun 2004
Posts: 118
Location: United Kingdom


PostPosted: Fri Oct 26, 2018 2:06 pm    Post subject: Reply with quote

The LS3 is 175kg so I have 25kg to place where I want to for correcting the CofG
 
  
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HSC911
Zolder


Joined: 23 Jul 2014
Posts: 5563
Location: Bedford


PostPosted: Fri Oct 26, 2018 10:21 pm    Post subject: Reply with quote

infrasilver wrote:
Opel Manta


Cool

worship
 
  
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