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Author: Subject: Vag 20v turbo engine RWD?
coozer

posted on 25/12/14 at 06:07 PM Reply With Quote
Vag 20v turbo engine RWD?

I've been looking into this for a while and there's little to had apart from an expensive adapter kit from acmeadapters, which uses a Toyota R type gearbox. (I've got an R57 in the garage)

Now since its Xmas and theres nowt on the telly I thought I'd have a deeper dig and a rethink. Any rwd vw vehicles? Well yes, the Crafter, its a badge engineered Merc Sprinter but has an R5 vw derv engine. This engine was first used in the Audi 100 according to wikipedia.

Is there a chance the bell housing pattern is the same as the 4 cylinder currently used by vw/Audi/seat??

Anybody got any of these bits lying around and can have a look, maybe take some pictures of the bell housing pattern??

Steve





1972 V8 Jago

1980 Z750

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coozer

posted on 25/12/14 at 06:43 PM Reply With Quote
Bit more digging looking at pics on the bay...

Fwd gearbox bell housing pattern looks different, BUT the a4/a6 rwd transaxle looks very similar.. Now the big Audi's with transaxles used the 1.8t so I'm more interested now!

Needs to compare some bits!!

I've found the R5 diesel was used in some volvos as well during the 90's so there may be more rwd gearboxes fit as well....





1972 V8 Jago

1980 Z750

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Slimy38

posted on 25/12/14 at 07:20 PM Reply With Quote
quote:
Originally posted by coozer

Now the big Audi's with transaxles used the 1.8t so I'm more interested now!



Are you sure? I thought various other investigations had shown the 1.8t had only ever been front wheel drive or 4wd?

I'm very interested in what you find out though, if there is a cheap RWD 1.8t option it would certainly be a tempting engine conversion for me!

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big_wasa

posted on 25/12/14 at 07:45 PM Reply With Quote
Yep, will be very clever if you can do it with oem bits.

I think a Mazda box is the way to go with an adapter plate. cheap and plentiful.

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coozer

posted on 25/12/14 at 07:49 PM Reply With Quote
quote:
Originally posted by Slimy38
quote:
Originally posted by coozer

Now the big Audi's with transaxles used the 1.8t so I'm more interested now!



Are you sure? I thought various other investigations had shown the 1.8t had only ever been front wheel drive or 4wd?

I'm very interested in what you find out though, if there is a cheap RWD 1.8t option it would certainly be a tempting engine conversion for me!


No some of the a4's and a6's used the 1.8t and the 1.9tdi which are the same I think...





1972 V8 Jago

1980 Z750

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samjc

posted on 25/12/14 at 08:06 PM Reply With Quote
Someone at work recently had a 1.8t audi a4 b6 before wrapping it round a lamp post on a slippy road. Hes excuse was it was his first rwd car. Not looked deeply into it but could ask on audi forum for you.
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coozer

posted on 25/12/14 at 08:15 PM Reply With Quote
Bad excuse, its fwd!





1972 V8 Jago

1980 Z750

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samjc

posted on 25/12/14 at 08:32 PM Reply With Quote
Posted on a fb forum and a fella says hes modified a AWD box to be rear wheel drive for a kit car a couple of years back. If its a route youd like to try i can get his details for you.
I thort it was a bad excuse but never looked into it haha.

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Slimy38

posted on 25/12/14 at 09:00 PM Reply With Quote
I kind of follow what you're getting at, but if you're using a diesel transmission to get the RWD won't you have to do something with the ratios?
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tegwin

posted on 25/12/14 at 11:01 PM Reply With Quote
The passat 1.8t engine I think is nothing like the 1.8t engine from the seat Leon cupra/golf.... Engine code BAM is what you want.... In standard form you can map them to nearly 250hp or so.... Hybred turbo and injectors will see considerably more...

Pretty sure it's not a direct fit onto the Audi transaxle....I have seen an alloy adapter to mate it to a Mazda box though....





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Sierra

posted on 25/12/14 at 11:47 PM Reply With Quote
Hr engineering built this a while back so might be worth speaking to them. They've built some right beasts.
http://onthedriveway.wordpress.com/2011/12/19/hr-engineering/

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Ugg10

posted on 26/12/14 at 10:49 AM Reply With Quote
quote:
Originally posted by samjc
Posted on a fb forum and a fella says hes modified a AWD box to be rear wheel drive for a kit car a couple of years back. If its a route youd like to try i can get his details for you.
I thort it was a bad excuse but never looked into it haha.


The scooby boys do this for drifting, thus locks the front diff I think to power is transmitted just to the rear. Loads on the net on this and some conversion kits available.





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Volvorsport

posted on 26/12/14 at 10:52 AM Reply With Quote
Not sure if the bellhousing is the same as the 5cyl diesel in the transporter, it may be possible to fit the Volvo diesel m90 onto it.

if you can fit an m90 diesel, may as well fit the petrol with an engine on it .......





www.dbsmotorsport.co.uk
getting dirty under a bus

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nye

posted on 26/12/14 at 02:55 PM Reply With Quote
I'm currently attempting to put one in to a luego velocity.... The 1.8t in golf/Leon etc is practically the same engine with the only differences being some have external waterpumps and also port sizing on the head.... Bellhousing patterns are the same, the route I'm going is building a custom bellhousing as I have adapted the type 9 bellhousing to the engine but struggling to locate the starter without having to move the engine further forward which is something I done want to do! I plan on using a passat tdi single mass flywheel and sorting out a clutch combination to suit. Any question on it just ask as all the parts are accessable so can measure anything needed!

I decided to go for this engine choice as fancied the challenge and had a spare 1.8t engine taking up room in the garage....

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nye

posted on 26/12/14 at 03:00 PM Reply With Quote
Also closest I got with oem gearbox was an lt35 1.9tdi which Is rwd and I believe will is the same bellhousing??? My understanding is 4 cylinder vw engines have the same bellhousing but they are different to 5,6 cyclinder engines. I chose against that gearbox though as looks to be too big for a seven!
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INDY BIRD

posted on 26/12/14 at 03:16 PM Reply With Quote
Scary thing is I was told that he engineering car they spent near 100k on it ouch how they spent that much I'll never know

Best of luck

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43655

posted on 26/12/14 at 07:14 PM Reply With Quote
quote:
Originally posted by coozer


Is there a chance the bell housing pattern is the same as the 4 cylinder currently used by vw/Audi/seat??

Anybody got any of these bits lying around and can have a look, maybe take some pictures of the bell housing pattern??

Steve


yes, but it sits on a 15-20 degree angle.
I had a 2.5 TDi mounted to a mid engine transaxle breifly, then decided to go 2.7tt

volvo diesel box then should fit, but they never made a RWD one as far as i know

Maybe possible to use a 01E gearbox with the front output shafts disabled? I know its not ideal, and people have tried doing it the other way (disabling the rear output) with varying success

Or how about torque tube setup, use a mid engine transaxle in the rear?

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Volvorsport

posted on 26/12/14 at 08:06 PM Reply With Quote
Volvo 940 Turbo diesel is RWD.....

they have 6 cylinder transporter engine 2.4 Td

wether that translates to 1.9 tdi I don't know





www.dbsmotorsport.co.uk
getting dirty under a bus

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43655

posted on 26/12/14 at 09:15 PM Reply With Quote
940 is volvo engine though, the 2.5 TDi used in the V70 (& 850) is an Audi engine, and the gearbox has been made to suit.
transporter 2.4 is a crappy NA inline 5, but still FWD

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Volvorsport

posted on 26/12/14 at 09:44 PM Reply With Quote
No the Volvo Turbo diesel is the vw 6 cylinder diesel engine and is Rwd





www.dbsmotorsport.co.uk
getting dirty under a bus

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ali f27

posted on 27/12/14 at 09:07 AM Reply With Quote
Hi guys how do donkervert do it probs spelt it wrong but you get the gist
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Slimy38

posted on 27/12/14 at 11:39 AM Reply With Quote
quote:
Originally posted by ali f27
Hi guys how do donkervert do it probs spelt it wrong but you get the gist


They use their own bellhousing, which won't be cheap (even if you could buy one).

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i_froloshki

posted on 28/12/14 at 06:10 PM Reply With Quote
Gents,
is there a drawing or cad or something for the 1.8T VAG engine bolt patern so an adapter plate can be cnc produced? I managed to find some mt75 drawings that will be ok for the gearbox side of the plate, but i am not able to find for the engine side. I know the guys from Alphax are making a kit but it is way above my budget so ....

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gaz_gaz

posted on 28/12/14 at 06:40 PM Reply With Quote
Why don't you approach Quaiffe, Xtrac or Hewland and ask them if they'd be interested in producing a cast bell housing.
I know 1 of the companies would probably get involved in the project for an initial order of around 10 parts.
can't imagine it would be difficult to drum up interest in a group buy depending on cost!

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prawnabie

posted on 28/12/14 at 06:58 PM Reply With Quote
quote:
Originally posted by INDY BIRD
Scary thing is I was told that he engineering car they spent near 100k on it ouch how they spent that much I'll never know

Best of luck


Mostly Di-noc by the look of it

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