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Author Topic: A6 2.7T conversion to 6MT  (Read 35694 times)
AARDQ
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« on: February 26, 2013, 09:00:10 AM »

I'm seriously considering converting my Tip A6 2.7T BEL to 6MT, and a few questions:

I understand the Allroad has a 4.3:1 final drive ratio vs. the 4.11:1 of an S4 or A6?  I have Frankenturbos and I'm thinking the 4.3:1 may be beneficial off the line.  Thoughts?  What is a typical 80 mph engine rpm?  What's first gear like in the Allroad, i.e. is it too short or about right?

Any other donor vehicles that would work besides A6 2.7T, S4, Allroad?  I understand about the beefed up 1st gear w/ later models; are there any other 01E differences to be aware of?

Any help appreciated...
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prj
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« Reply #1 on: February 26, 2013, 09:13:38 AM »

They all succumb in the end.
I know I am not helping :p
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AARDQ
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« Reply #2 on: February 26, 2013, 09:29:55 AM »

Too much fun to stop now...
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prj
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« Reply #3 on: February 26, 2013, 10:13:40 AM »

Too much fun to stop now...

Applauded just for that Smiley
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ddillenger
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« Reply #4 on: February 26, 2013, 10:36:48 AM »

lol.

Julex went TDI for his trans and has an allroad trans and diff. for sale...
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AARDQ
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« Reply #5 on: February 26, 2013, 11:30:50 AM »

lol.

Julex went TDI for his trans and has an allroad trans and diff. for sale...

Yeah, I saw that.  Pick-up only.  (I know there are options for that but more of a pain certainly.)

I sent him a PM.  Maybe he knows someone who can forward for me.
« Last Edit: February 26, 2013, 11:41:07 AM by AARDQ » Logged
phila_dot
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« Reply #6 on: February 26, 2013, 12:12:09 PM »

I thought allroad trans wouldn't work because of the rear diff.

http://www.audizine.com/forum/showthread.php/489653-01E-from-an-allroad-in-a-s4-b5
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ddillenger
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« Reply #7 on: February 26, 2013, 12:18:35 PM »

I thought allroad trans wouldn't work because of the rear diff.

I'm pretty sure AARDQ has an AR Smiley

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AARDQ
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« Reply #8 on: February 26, 2013, 12:23:15 PM »

I'm pretty sure AARDQ has an AR Smiley



Mine's an A6, not an AR.  That's one of the things I'm not sure of -- will the AR rear diff physically fit/work?  Obviously it has to match the 01E's final drive, but is there something about the AR rear diff that's different from a regular A6?
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ddillenger
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« Reply #9 on: February 26, 2013, 01:07:00 PM »

AR/A6 diffs are interchangable no? I mean the AR is a c5 after all. The AR diff doesn't fit the b5 is what phila was saying.
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AARDQ
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« Reply #10 on: February 26, 2013, 02:02:37 PM »

AR/A6 diffs are interchangable no? I mean the AR is a c5 after all.

I have a long and glorious history of being bitten for making assumptions like that Tongue

Edit:  No matter, Julex advises against use of AR final drive, and AR box which has shorter gearing.  Says in his opinion the combo is too short even for an AR with larger tire circumference than an A6.
« Last Edit: February 26, 2013, 02:15:31 PM by AARDQ » Logged
AARDQ
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« Reply #11 on: May 17, 2013, 01:39:12 PM »

Getting closer -- scrounged up most everything I need.  Mounting brackets were the hard part, convinced someone in the UK to ship to me.  I'm building up an engine for my Jensen Healey and once that project is done and I have it as a daily driver I'll turn back to the 6MT swap.

I'm seriously thinking about going back to K03s from FTs.  Off the line is terrible at my altitude with the FTs, and I'm willing to give up some at the top end to gain back around-town driveability.  Anybody have any experience with swapping to the compressor from the K03-005?  Ridiculous as that sounds, it's a step up in size from the compressor in the K03-016. (31.45 x 44.96 for the K03-016 vs. 35.97 x 49.94 for the K03-005 apparently)  Both models use the same turbine. I'm thinking that this may decrease the failure rate seen with the K03 in 2.7T duty.  Experiences?  Thoughts?

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s5fourdoor
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« Reply #12 on: May 17, 2013, 01:51:11 PM »

i have to say.  i drove a stage 2, modded NVR tune.  had full downpipes + exhaust, diverter valves, silicone bi-pipe, and stock everything.  *ITS FAST*.  i went from stage 2 to stage 3 so quickly, i never really got to experience the car as a stage 2.  i think its honestly a better daily than a stage 3 in many ways.  if there was a way to have reliable turbos too, i think its a win-win.

for a street car, i think stage 3 is too much tbqh...   i bet the 4.2 v8 based cars have a stage 2 feel, so i get why people say they are boring, but if you are a momentum driver that minimizes all-out WOT, torque and response are *awesome* with stock turbos in my opinion.


« Last Edit: May 17, 2013, 01:55:37 PM by nehalem » Logged
phila_dot
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« Reply #13 on: May 17, 2013, 01:57:15 PM »

SRSLY?

Complaining about spooling a K04!?

How can around town drivability be that bad? An NA 2.7 wouldn't be THAT bad putting around.

Edit: F4H or F21? How much for them?
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ddillenger
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« Reply #14 on: May 17, 2013, 02:06:16 PM »

Stage 2=fun
Stage 3=epic DD

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