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> Type IV air-cooled motor with Boxster transmission conversion? Pics and discussion, Was: Subaru versus Boxster transmission?
Andyrew
post Oct 8 2015, 10:37 PM
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QUOTE(Mike Bellis @ Oct 8 2015, 09:34 PM) *

QUOTE(Mueller @ Oct 8 2015, 08:46 PM) *

QUOTE(Mike Bellis @ Oct 8 2015, 06:16 PM) *

Boxster is virtually the same as the Passat and the Passat tranny can be had for $400.


Man,you are not kidding....a bunch on eBay for $400 and less...one for $375 shipped!

Plus Boxster flanges are available in 100mm and 108mm depending on 5 or 6 speed respectively. That's bolt on for CV joints.

^
This

(Still need to get those 100mm's from you...)

Combine that with 100mm 944 turbo stub axles and VW bus 100mm CV's, with some machined axles its basically bolt in..
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Bruce Hinds
post Oct 8 2015, 10:49 PM
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I'm surprised in two pages here nobody has mentioned gearing. . .
Which one runs taller and wider gear sets that would be better for a v8?
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messix
post Oct 8 2015, 11:03 PM
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passat tdi?
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Chris914n6
post Oct 8 2015, 11:07 PM
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QUOTE(Andyrew @ Oct 8 2015, 09:37 PM) *

Combine that with 100mm 944 turbo stub axles .... with some machined axles its basically bolt in..

So how hard to find and pricey are the turbo stubs, and what is required on the axles?
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Andyrew
post Oct 8 2015, 11:45 PM
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QUOTE(Bruce Hinds @ Oct 8 2015, 09:49 PM) *

I'm surprised in two pages here nobody has mentioned gearing. . .
Which one runs taller and wider gear sets that would be better for a v8?

I alluded to it.. The Audi gearboxes have interchaneable gears that allow you to customize it pretty well. Many diesel transmission options that put out some super tall ratios and 4 cylinder trans that are close and natrow.
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Andyrew
post Oct 8 2015, 11:49 PM
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QUOTE(Chris914n6 @ Oct 8 2015, 10:07 PM) *

QUOTE(Andyrew @ Oct 8 2015, 09:37 PM) *

Combine that with 100mm 944 turbo stub axles .... with some machined axles its basically bolt in..

So how hard to find and pricey are the turbo stubs, and what is required on the axles?

Turbo stubs are on any 944 turbo. So pretty easy, I bought a set for 75 on here. Axles will need custom measured and cut axles. Some maths here... as well as one of the offroad shops that build axles.
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Mueller
post Oct 9 2015, 07:58 AM
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QUOTE(Andyrew @ Oct 8 2015, 08:54 PM) *

You can get them at pick n pulls... Or scrappers...

Last one I picked up was $60

They are also supposedly stronger than the subaru units. lots of interchangable parts with the porsches' like the stub axles.. It makes sense as the more logical option.



I'd rather pay a little more to not have to crawl around the ground under a car at the wreckers and not drive an hour each way (IMG:style_emoticons/default/smile.gif)

Interesting about the different size flanges...I happen to have 4 brand new 930 CV's sitting on my shelf at home...
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1stworks
post Oct 9 2015, 09:15 AM
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QUOTE(Bruce Hinds @ Oct 8 2015, 10:49 PM) *

I'm surprised in two pages here nobody has mentioned gearing. . .
Which one runs taller and wider gear sets that would be better for a v8?



My take on gearing with ls1/ boxster S 6 speed.
Tire size 205 50 15
I run 2700 at 65mph,3900 at 100mph 6th gear.
Around town driving is so smooth, I use 1-6,freeway driving
It's a little high but it keeps me at respectable speed >100.
Top end probably 130ish maybe more but that not for me.

Best part boxster S transmission is you use shifter and cables from
Boxster,works perfectly and cheep.
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Andyrew
post Oct 9 2015, 09:30 AM
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QUOTE(Mueller @ Oct 9 2015, 06:58 AM) *

QUOTE(Andyrew @ Oct 8 2015, 08:54 PM) *

You can get them at pick n pulls... Or scrappers...

Last one I picked up was $60

They are also supposedly stronger than the subaru units. lots of interchangable parts with the porsches' like the stub axles.. It makes sense as the more logical option.



I'd rather pay a little more to not have to crawl around the ground under a car at the wreckers and not drive an hour each way (IMG:style_emoticons/default/smile.gif)

Interesting about the different size flanges...I happen to have 4 brand new 930 CV's sitting on my shelf at home...


Pick n pull has an option that people can pull parts for you. You say what you need and pay them to pull it. Its on their website (IMG:style_emoticons/default/smile.gif)
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76-914
post Oct 9 2015, 01:07 PM
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Did I miss the response to your "LSD" question or was that not addressed, yet? (IMG:style_emoticons/default/popcorn[1].gif)
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1stworks
post Oct 9 2015, 01:13 PM
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QUOTE(76-914 @ Oct 9 2015, 01:07 PM) *

Did I miss the response to your "LSD" question or was that not addressed, yet? (IMG:style_emoticons/default/popcorn[1].gif)



From my research witch isn't much if you can find used front
Lsd for suby it's at least 1000.00
New boxster S lsd around 1500 super easy to install.


I thought I'd need one with my ls but turns out I dont.
It lays 2 tracks on open diff....
(IMG:style_emoticons/default/biggrin.gif)
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Mueller
post Oct 9 2015, 02:33 PM
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QUOTE(76-914 @ Oct 9 2015, 12:07 PM) *

Did I miss the response to your "LSD" question or was that not addressed, yet? (IMG:style_emoticons/default/popcorn[1].gif)

On phone right now, but I found a thread on an Audi forum that someone mentions you can get a factory LSD from the rear diff of a V8 Quattro dirt cheap and use that in the Audi/boxster transmission
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Chris H.
post Oct 9 2015, 02:43 PM
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QUOTE(mgp4591 @ Oct 8 2015, 10:08 PM) *

QUOTE(Chris H. @ Oct 8 2015, 08:09 PM) *

QUOTE(mgp4591 @ Oct 8 2015, 08:53 PM) *


I'm not sure which axle is stronger- has anyone used a resplined Suby axle instead of the 914? One might think that the years have made a stronger axle to use. Then again, maybe it's not long enough? (IMG:style_emoticons/default/confused24.gif) I haven't heard that line in years...


Well I won't say they are too short, but they aren't the right length (IMG:style_emoticons/default/biggrin.gif) . Much easier to use the 914 axles...HIGHLY unlikely you'll snap an axle. The CV joint will be more than happy to break first. Trust me.

And you haven't had any strength problems using the stock 914 cv joints with the power applied by the mighty EG33? And whose axles are you using?


I definitely have had issues with the 914 CVs. Snapped two of them, but they were worn out. My previous 1.8 with fairly chattery clutch was just so weak it could not push them hard enough to snap them. Many people are running fine on conversions with good 914 CVs. I switched to 944, but only because I had the opportunity to. I used sway-a-way axles but they aren't required either.
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Mike Bellis
post Oct 9 2015, 02:44 PM
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QUOTE(Bruce Hinds @ Oct 8 2015, 09:49 PM) *

I'm surprised in two pages here nobody has mentioned gearing. . .
Which one runs taller and wider gear sets that would be better for a v8?

Audi/VW 5 speed code DUK is setup for TDI motors and has taller gearing. Many to be found on ebay UK cheap.
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Bruce Hinds
post Oct 9 2015, 03:22 PM
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Has that been done here, SBC or LS V8 to Audi? I'm wondering about starter application . . . It looks like that's another obstacle.
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Andyrew
post Oct 9 2015, 03:50 PM
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Andys has a audi trans to his LS engine IIRC.


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strawman
post Oct 9 2015, 10:31 PM
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I've got an OBX Torsen-type LSD in my Suby transaxle. Search "Suby + Rustoration" to see my build thread on installing it into my 5-sp Suby transaxle. Pretty straightforward...
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DBCooper
post Oct 10 2015, 06:36 AM
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I have a Quaife in mine, about $1100, but that was before the OBX's were available. So what did the OBX cost? (I ask, already knowing the answer)
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jimkelly
post Oct 10 2015, 11:57 AM
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there is always something better but suby/suby must be pretty nice. (IMG:style_emoticons/default/driving.gif)
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Mueller
post Oct 10 2015, 12:38 PM
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QUOTE(jimkelly @ Oct 10 2015, 10:57 AM) *

there is always something better but suby/suby must be pretty nice. (IMG:style_emoticons/default/driving.gif)


Found this thread...Honda V6 to Subaru transmission

http://www.shoptalkforums.com/viewtopic.ph...46&start=75

And this company makes adapters for Type IV and GM LSX motor to Subaru transmissions

http://www.subarugears.com/Adaptors/Adaptors.html
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