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61sktnbug
Joined: 27 Feb 2004
Posts: 28
Location: saskatoon,sk canada
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 Posted: Tue Mar 02, 2004 11:50 am Post subject: audi 5cyl turbo? |
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i was reading alittle in here about that swap.. can it be done ? does it bolt up? the reason i m thinking of going that way , is price,
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80 924 ( m471)
94 scirocco( ice racer)
85 vanagon(family truckster)
89 galant( wifes) |
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sirhc
Joined: 17 Feb 2004
Posts: 15
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| Posted: Wed Mar 03, 2004 3:54 am Post subject: Re: audi 5cyl turbo? |
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| 61sktnbug wrote: | | i was reading alittle in here about that swap.. can it be done ? does it bolt up? the reason i m thinking of going that way , is price, |
Thats my plan, but I'm still at least a year out from starting (I've got the motor though). The consensus is that it fits, although with the 10v it gets a bit cramped on the passenger side of the engine compartment (intake and exhaust manifolds). A 20v would be much better, but the cost - benefit ratio just doesn't make it worth it (for me anyway).
Here's my plan:
early 924 (78 or 79ish)
10vt motor from audi 5000
efi (http://www.034efi.com)
5 speed tranny
I've got a chipped 10vt motor (210hp?) in my old audi 5ktq, and its just as fast as my stockish 20vt urS4. The 5ktq weighs around 3400 lbs and probably runs a 1/4 mi in the 14s, should be fun in a 2300 lb 924. With the efi, it will definately make more that 210 (with a buttload of torque), as well as cut down on the clutter of the CIS system. You can always upgrade to a bigger turbo and other goodies down the road... 300 whp wouldn't be too out of the question.
If anyone has any other information about this swap, I'd love to see it. Thanks!
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Chris
92' UrS4
86' 5ktq - for sale! |
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61sktnbug
Joined: 27 Feb 2004
Posts: 28
Location: saskatoon,sk canada
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| Posted: Wed Mar 03, 2004 4:52 am Post subject: |
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i do also want to try a 10v swap , but i need to know what kind of road blocks i may run into , ie clutch, intake ect...
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80 924 ( m471)
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85 vanagon(family truckster)
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sirhc
Joined: 17 Feb 2004
Posts: 15
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| Posted: Wed Mar 03, 2004 4:56 am Post subject: |
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To my understanding, the engine physically bolts to the tranny (with the stock clutch) without too much trouble. A new exhaust downpipe will have to be fabricated, as well as any intake / intercooler plumbing. There are a few pics floating around of a guy who has one mounted... I'll see if I can find them.
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Chris
92' UrS4
86' 5ktq - for sale! |
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61sktnbug
Joined: 27 Feb 2004
Posts: 28
Location: saskatoon,sk canada
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| Posted: Wed Mar 03, 2004 5:04 am Post subject: |
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awsome if you could find those for me that would be great!
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Lizard
Joined: 03 Nov 2002
Posts: 9364
Location: Abbotsford BC. Canada
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| Posted: Wed Mar 03, 2004 5:06 am Post subject: |
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it has actually been done already,
now if iirc the 20 valve has the intake and exhaust on opposit sides of the head, this is worth it just for ease of install, having the intake and exhaust on the same side of the head is not worth the hassle, also the intake and exhaust being on opposite sides of the head is a much more efficient design
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sirhc
Joined: 17 Feb 2004
Posts: 15
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| Posted: Wed Mar 03, 2004 5:09 am Post subject: |
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| Lizard wrote: | it has actually been done already,
now if iirc the 20 valve has the intake and exhaust on opposit sides of the head, this is worth it just for ease of install, having the intake and exhaust on the same side of the head is not worth the hassle, also the intake and exhaust being on opposite sides of the head is a much more efficient design |
True, although you can get a 10vt for $100, where you'd be hard pressed to find a complete 20vt for under $3k. I'm looking to keep my whole project under $3k. 
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Chris
92' UrS4
86' 5ktq - for sale! |
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61sktnbug
Joined: 27 Feb 2004
Posts: 28
Location: saskatoon,sk canada
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| Posted: Wed Mar 03, 2004 5:22 am Post subject: |
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| sirhc wrote: | | Lizard wrote: | it has actually been done already,
now if iirc the 20 valve has the intake and exhaust on opposit sides of the head, this is worth it just for ease of install, having the intake and exhaust on the same side of the head is not worth the hassle, also the intake and exhaust being on opposite sides of the head is a much more efficient design |
True, although you can get a 10vt for $100, where you'd be hard pressed to find a complete 20vt for under $3k. I'm looking to keep my whole project under $3k. |
3k? i was hoping for cheaper than that!
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94 scirocco( ice racer)
85 vanagon(family truckster)
89 galant( wifes) |
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Lizard
Joined: 03 Nov 2002
Posts: 9364
Location: Abbotsford BC. Canada
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| Posted: Wed Mar 03, 2004 5:23 am Post subject: |
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will the 20V head fit on the 10V block? if yes what about getting a used head from an audi forum?
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61sktnbug
Joined: 27 Feb 2004
Posts: 28
Location: saskatoon,sk canada
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| Posted: Wed Mar 03, 2004 5:29 am Post subject: |
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i just checked on that with a local audi budy he dosent think the head swap will work ,
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94 scirocco( ice racer)
85 vanagon(family truckster)
89 galant( wifes) |
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sirhc
Joined: 17 Feb 2004
Posts: 15
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| Posted: Wed Mar 03, 2004 5:30 am Post subject: |
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| Lizard wrote: | | will the 20V head fit on the 10V block? if yes what about getting a used head from an audi forum? |
These engines are pretty rare, and as a result, you really don't see too many individual parts for sale... only whole engines.
The 20v head will physically bolt to the 10v block, but you end up with a stupid low compression ratio. I guess you could look into a 2.3 or a 2.5 block... maybe something else short of custom pistons would yeild you a good compression ratio.
*edit* - I know the head will physically bolt up, but I'm not sure as to the alignment of coolant or oil passages, may take some modifications. Bottom line... probably not worth it. 
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Chris
92' UrS4
86' 5ktq - for sale! |
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61sktnbug
Joined: 27 Feb 2004
Posts: 28
Location: saskatoon,sk canada
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| Posted: Wed Mar 03, 2004 5:35 am Post subject: |
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hey chris what else will i need to know before diving into this?
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85 vanagon(family truckster)
89 galant( wifes) |
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sirhc
Joined: 17 Feb 2004
Posts: 15
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| Posted: Wed Mar 03, 2004 6:36 am Post subject: |
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Not so sure I'm the one to ask, I've been an audi guy up to this point. I'll definately help you do some of the research, although like I said, I won't be able to start my project until I get back home late this year. Good luck!
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Chris
92' UrS4
86' 5ktq - for sale! |
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sirhc
Joined: 17 Feb 2004
Posts: 15
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| Posted: Mon Mar 08, 2004 7:40 pm Post subject: |
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Anyone else have any info on this? 
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Chris
92' UrS4
86' 5ktq - for sale! |
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