 I don't remember if we had a conversation about using the Audi/Passat Transaxle, For those V8 Swap guysand Gals |
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| rick 918-S |
 Jan 19 2023, 02:35 PM
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#1
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Hey nice rack! -Celette  Group: Members Posts: 20,783 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region 
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Anyone remember if we ever had an indepth discussion regarding this tranaxle option? (IMG:style_emoticons/default/idea.gif)
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| Brett W |
Jan 19 2023, 03:29 PM
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#2
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Advanced Member Group: Members Posts: 2,858 Joined: 17-September 03 From: huntsville, al Member No.: 1,169 Region Association: None
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I have one here, but don't think its strong enough for real V8 use. ITs fine for four cylinder and maybe some V6 uses, but its too weak for a V8 with any real power.
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| Garland |
Jan 19 2023, 03:45 PM
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#3
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Restoration Fanatic Group: Members Posts: 1,394 Joined: 8-January 04 From: ......Michigan...... Member No.: 1,535 Region Association: Upper MidWest
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| tygaboy |
Jan 19 2023, 04:11 PM
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#4
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914 Guru Group: Members Posts: 5,451 Joined: 6-October 15 From: Petaluma, CA Member No.: 19,241 Region Association: Northern California
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@Andyrew has a trans comparo vid on his Budget Outlaw channel, below.
There is an Audi box (012) that is essentailly the same as the Boxster 5 speed. Not as torque proof as the Boxster S but if you're not launching hard, probably it'd work fine. https://www.youtube.com/watch?v=SrHfruXDcuw |
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| r_towle |
Jan 19 2023, 10:06 PM
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#5
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Custom Member Group: Members Posts: 24,645 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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I wonder if an Audi A7/A8 box from Europe would work?
I think the A7 has some serious power… Nvm….brain fart on the mid engine side axle bit…. |
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| FL000 |
Jan 20 2023, 12:30 AM
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#6
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Member Group: Members Posts: 425 Joined: 31-January 12 From: Lancaster, CA Member No.: 14,076 Region Association: Southern California
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I have an Audi 01E 6 speed paired with my V8. Can’t recall at the moment what it is out of, but a European FWD diesel IIRC.
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| falcor75 |
Jan 20 2023, 03:17 AM
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#7
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Senior Member Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia
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The 01E gearbox and other derivatives are commonly used over here for Ford GT40 replica builds and they seem to hold up for that. (guessing 300-400 hp is a common range)
Then again you can abuse anything to breakage if you are determined enough but I dont think many 914's run wide enough tires for this to be a problem. The tires will break loose before anything in the gearbox gives up. |
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| rick 918-S |
Jan 20 2023, 05:05 AM
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#8
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Hey nice rack! -Celette Group: Members Posts: 20,783 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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  255/50/16 |
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| jd74914 |
Jan 20 2023, 01:17 PM
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#9
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Its alive Group: Members Posts: 4,814 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
QUOTE(falcor75 @ Jan 20 2023, 04:17 AM)  Then again you can abuse anything to breakage if you are determined enough but I dont think many 914's run wide enough tires for this to be a problem. The tires will break loose before anything in the gearbox gives up. This is going a little off topic, but that's actually not true. It's not so much a traction thing as an wheel acceleration thing. So if you apply a ton of power it doesn't matter if the tires hook up or not, you can still grenade the gearbox. I've read some papers with this data, and also measured it myself on a racecar with strain gauges attached to both axles. (IMG:style_emoticons/default/smile.gif) |
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| andys |
Jan 20 2023, 06:42 PM
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#10
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Advanced Member Group: Members Posts: 2,165 Joined: 21-May 03 From: Valencia, CA Member No.: 721 Region Association: None
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I have a 01e transaxle behind my LS1 (255-40-17). No issues thus far, but I'm also gentle with it. I have read that the GT40 replica guys run up to 500HP through them and opine that that's about the limit.
Andys |
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