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> First 914 build... V8 twin turbo SBC, 1974 v8tt conversion project
beam944
post Apr 25 2014, 04:26 PM
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Just picked up someones fresh build that stopped before they even cranked...and I watched it being built... $800
(IMG:http://www.914world.com/bbs2/uploads_offsite/i328.photobucket.com-17254-1398464774.1.jpg)
It will be for sale after build, i'm only using it to shake the car down and for fitment
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Dr Evil
post Apr 26 2014, 05:19 PM
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Ditch the 901. It will disappoint and blow. However, if you choose not to heed my warning, I am here for ya (IMG:style_emoticons/default/wink.gif)

Enjoying the progress.
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beam944
post Apr 28 2014, 10:53 AM
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Seats just arrived! Thanks again 914itis!
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beam944
post Apr 29 2014, 01:19 PM
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QUOTE(Dr Evil @ Apr 26 2014, 07:19 PM) *

Ditch the 901. It will disappoint and blow. However, if you choose not to heed my warning, I am here for ya (IMG:style_emoticons/default/wink.gif)

Enjoying the progress.


What transmission would you recommend?
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Dr Evil
post Apr 29 2014, 01:29 PM
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At a minimum a 930 which will take money to make work. A G50 would be better, and take money to make work. A Pantera ZF would be a decent one as it is built to bolt to a V8. The best would be a Medeola as it would be purpose built and would not compromise the power you have. No use having a big gun if you are too weak to shoot it.

http://mendeolamotors.com/trans-proto/

Spend as much if not more on the transmission or the engine performance is worthless.
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messix
post Apr 29 2014, 09:27 PM
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research audi transaxles in kit cars. it's been done and they supposedly can take some power.
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Andyrew
post Apr 29 2014, 10:06 PM
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QUOTE(beam944 @ Apr 25 2014, 03:26 PM) *

Just picked up someones fresh build that stopped before they even cranked...and I watched it being built... $800
(IMG:http://www.914world.com/bbs2/uploads_offsite/i328.photobucket.com-17254-1398464774.1.jpg)
It will be for sale after build, i'm only using it to shake the car down and for fitment

Probably gonna need to flip that turbo and intake around. That inlet is about where the passenger seat back normally sits.

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Dr Evil
post Apr 29 2014, 10:09 PM
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While the Audi may take the power, the gearing may suck. It will always be either money or trade-offs.
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r_towle
post Apr 29 2014, 10:13 PM
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QUOTE(Dr Evil @ Apr 30 2014, 12:09 AM) *

While the Audi may take the power, the gearing may suck. It will always be either money or trade-offs.

What is the gearing of an Audi tranny?

Seems there is a lot of support for the Subaru transmission with 2wd conversions and loads of turbo power being pushed through those trannies, with success.
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messix
post Apr 29 2014, 10:26 PM
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torque is the killer
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Andyrew
post Apr 30 2014, 09:07 AM
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QUOTE(Dr Evil @ Apr 29 2014, 09:09 PM) *

While the Audi may take the power, the gearing may suck. It will always be either money or trade-offs.


There are 6 speeds and there are diesel trani's available over seas that are much better. Overall its a better trani solution than any of the 915/930 boxes.
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Dr Evil
post Apr 30 2014, 12:23 PM
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(IMG:style_emoticons/default/agree.gif) The Porsche boxes are all geared high. I wonder if a diesel box would work. How hard to get?
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Andyrew
post Apr 30 2014, 12:35 PM
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Well the diesel cars are getting older and being parted more and more now, so it should be easier than 5 years ago..

http://www.ebay.com/itm/Audi-VW-2-5l-TDI-1...=item3f34051ffc
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andys
post Apr 30 2014, 01:24 PM
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QUOTE(Andyrew @ Apr 30 2014, 11:35 AM) *

Well the diesel cars are getting older and being parted more and more now, so it should be easier than 5 years ago..

http://www.ebay.com/itm/Audi-VW-2-5l-TDI-1...=item3f34051ffc


That Ebay transaxle is a 012 5 speed, which is common here in the US.

I have an Audi (TDI) 01E 6 speed in my LS1 conversion. Yes, first gear is short, but it works well for me since my driveway entering the garage is rather steep. The rest of the raios are quite good, with 2400RPM @ 70MPH in 6th. Strength wise I can't say, but the GT40 replica guys in OZ claim they run 500HP SBF without issue.

Andys
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Mike Bellis
post Apr 30 2014, 01:30 PM
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QUOTE(Andyrew @ Apr 30 2014, 11:35 AM) *

Well the diesel cars are getting older and being parted more and more now, so it should be easier than 5 years ago..

http://www.ebay.com/itm/Audi-VW-2-5l-TDI-1...=item3f34051ffc

Ebay UK has better deals on gearboxes for TDI Audi's and VW's

I have an 012, 5 speed setup with 108mm flanges (930 CV's) that I will sell cheap. It's setup to use a standard Boxster shifter and cables. I'm running it on my 350hp Audi motor but I'm switching back to my 6 speed in a couple weeks. (IMG:style_emoticons/default/driving.gif)
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Dr Evil
post Apr 30 2014, 06:15 PM
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Are there gearing options for the Audi boxes? I would be willing to regear one for some one if they sent it to me with parts. No charge, looking for experience. Already peeped the guts a long time ago and they are easy like the 901.
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Andyrew
post Apr 30 2014, 06:35 PM
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Why yes... There are many different gear ratio's...




Attached File(s)
Attached File  012___01W_Audi_VW_transaxle_data_simplified.xls ( 41k ) Number of downloads: 20
Attached File  Audi_Gear_Ratios.xls ( 73.5k ) Number of downloads: 16
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Andyrew
post Apr 30 2014, 06:38 PM
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Note: "Audi Gear Ratios" spreadsheet has 2 tabs.
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Mike Bellis
post Apr 30 2014, 07:21 PM
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QUOTE(Andyrew @ Apr 30 2014, 05:35 PM) *

Why yes... There are many different gear ratio's...

The DUK code has good V8 ratios and can be had for less than $200 on ebay UK.

http://www.ebay.co.uk/itm/vw-audi-passat-a...=item3a8f7ac1a0
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speed metal army
post Apr 30 2014, 09:18 PM
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I emailed "Subaru Gears" about using a subie Trans. Seems 100% doable, but is pricey.
I think Doc Evil should come up with the Audi fix and sell the whole shebang as a kit.
Id buy one yesterday.
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