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BMW e34 Touring LS1 swap (BMW 5 series wagon)

 
Old 03-18-2013, 02:52 PM
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I know you've already committed to the GTO oil pan but FYI Canton makes a nice front sump 4 baffle pan. the front sump is about 7" from front and about 14" wide.

I started with a GTO oil pan and it needed mods to get the engine crank pully behind an after market sway bar, so I jumped over to the Canton pan and just re-did my X-member.
In an 83 (never ending ) Supra swap.

I recently took a short drive in a 1997 M3 with a stock lq4 with Ls6 tune, t56 and long tube headers with 3.15 diff gears.
Lets just say the smile was stuck to my face for a few hours.
The guy who did the swap was working with JTR and stated he gets better mpg with 6.0, he started with a 5.3 and said he was very surprised with the MPG- IIRC it was around 20 city and 30 hwy for the 5.3.
Enjoy.
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Old 03-18-2013, 08:15 PM
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Originally Posted by brian g View Post
I know you've already committed to the GTO oil pan but FYI Canton makes a nice front sump...
Thank you very much for the info. I looked into the Canton sump. When I did the price analysis and complexity it was not worth it for me. Example: The price for the sum is $400 + the remote filter set up of @ $150. Then the complexity of extra plumbing on a daily driver didn't interest me. The GTO pan is dead nuts simple like a stock engine would be. Notching the cross member is something I could do really easily and very cheaply.

Now for the motor mounts, which will be more challenging because of the steering box. But there are solutions I can see in my head. Just need to get in there.

Last edited by vazfx16; 03-18-2013 at 09:24 PM.
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Old 03-19-2013, 02:24 AM
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Sub-scriiibed!

Great work so far!
Have you noticed any trans tunnel interference issues with the 4l60e?
Also are you planning on staying with 2-piece driveshaft or going to 1-piece design?
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Old 03-19-2013, 09:43 AM
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Subscribed, been waiting to follow a build on an e34 that started life with the M60.
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Old 03-19-2013, 10:15 PM
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Originally Posted by Teaguer View Post
Sub-scriiibed!

Great work so far!
Have you noticed any trans tunnel interference issues with the 4l60e?
Also are you planning on staying with 2-piece driveshaft or going to 1-piece design?
I am leaning toward doing a two piece shaft at this point. The reasons is that, after I studied how to align the engine and the center support bracket. I am not sure I can do that effectively. It will have to be dead on. It will have no guibo, so it there will be no give at all. Unless someone has advice on how to get that right. If I do a one-peice, I can use the u-joints to make up minor mis-alignments, and will be easier to align. Can someone tell me why I am wrong?

Tunnel clearance is tight, but I don't think there is any major interference. I can't exactly tell since the motor mounts and powertrain alignment is not done yet. I am sure the BAM (Big *** Mallet) will come out to play.
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Old 03-20-2013, 09:12 AM
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It seems many of the guys with LS BMW's start with a one piece and then opt for the 2 piece. I am hoping to just have the front section of the stock M5 shaft modded.
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Old 03-20-2013, 09:17 AM
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What type/length/spline count slip yoke is generally used on the back end of a stock F-Body T56? Where can I grab one on the cheap?
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Old 03-20-2013, 09:14 PM
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Originally Posted by SWAGON View Post
It seems many of the guys with LS BMW's start with a one piece and then opt for the 2 piece...
Why do they go to 2-piece...Is it the vibrations from the one piece?

I worry about the one piece fitting through the hole in the rear subframe. The Bimmer 2-piece is tapered at the end to fit. it gets very skinny. Things like that make me contemplate adapting the stock unit.

Last edited by vazfx16; 03-21-2013 at 08:34 AM.
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Old 03-24-2013, 10:01 PM
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Started the motor mounts. I don't know why, but slotting plate i not much fun to me. Maybe its because I don't really have the right tool for it. If I had a milling machine it would probably not mind so much, butt to do this all by had is too much meticulous work for my personality.

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Starting the driver's side plate.


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Alignment was spot on.

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Passenger side mounting plate slotted and ready for the mount to get built to it.

Next step is to put the motor back in the car and then start fabbing up the mounts. I may be modifing the cross member to have a platform to attach the mounts to, but I am not sure yet. The stock BMW fluid filled mounts are weak. I changed my last year, when I pull the engine theydumwere ripped.
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Old 03-24-2013, 10:11 PM
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I got these really cheap on Amazon(via Jegs) They are very thin walled (not good), but I am going to use them for exhaust experimentation. I am looking to create a unique system that has high scavenging and an interesting exhaust note. I also have some weld els that I am going to build something with.
I looked in side the stock LS1 (Firebird) manifolds, and I was very disappointed in what looks to be poor flow opportunities. Welds that make the ports a lot smaller than they should be, as well as the potential for exhaust gases to back up into other ports, Especially on the driver's side.
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Old 04-01-2013, 10:19 AM
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This is awesome. I lived in Germany for a few years and had many bmw's. Always loved these touring wagons.
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Old 04-02-2013, 11:35 PM
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After getting the motor settled in, it is time to start the mounts.

Last edited by vazfx16; 04-03-2013 at 09:52 AM.
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Old 04-03-2013, 10:50 PM
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Sizing templates for the motormounts4

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Old 04-04-2013, 05:45 AM
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very nice! I had an e34 touring (s52 5 speed turbo) a few years ago. When I see them for sale on CL cheap I always want to buy and LSx one.

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Old 04-04-2013, 08:06 AM
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Coming along!

Did you have to notch your GTO pan?

What are you using to mock up the mounts? Is that cardboard taped into place?
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Old 04-04-2013, 09:40 AM
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I have a brand new GTO pan complete off the crate motor I put in my father's Panoz. PM me if you still need one.

EDIT - I see you already have one.
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Old 04-04-2013, 09:04 PM
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Originally Posted by LQ4-E39 View Post
Coming along!

Did you have to notch your GTO pan?

What are you using to mock up the mounts? Is that cardboard taped into place?

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The notch in the crossmember was enough. I didn't need to notch the oil pan.

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I am using poster board to mock mounts. I wrapped them around the tubing and creased to make the the shape of the rectangular tubing. This allows me to get things set up in 3D.

My daily drive decided to cough up its coolant via some unknown leaking source -- now I have to deal with that, which takes my energy way from the project Grrrrr!

Last edited by vazfx16; 04-04-2013 at 09:26 PM.
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Old 04-04-2013, 09:06 PM
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Originally Posted by jakeb View Post
very nice! I had an e34 touring (s52 5 speed turbo) a few years ago. When I see them for sale on CL cheap I always want to buy and LSx one.

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Turbo s52 must have been wicked.
When you turbo'd your s52, how did you drop the compression
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Old 04-04-2013, 09:10 PM
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Originally Posted by vazfx16 View Post
Turbo s52 must have been wicked.
When you turbo'd your s52, how did you drop the compression
I didn't...wasn't running a ton of boost. 10psi is fine on stock head gasket and compression. As long as you have a good tune. It made around 345hp when I dynoed it.

A link to it on my site.
http://www.classicdaily.net/category/past/e34wagon/
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Old 04-04-2013, 10:50 PM
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Originally Posted by jakeb View Post
I didn't...wasn't running a ton of boost. 10psi is fine on stock head gasket and compression. As long as you have a good tune. It made around 345hp when I dynoed it.

A link to it on my site.
http://www.classicdaily.net/category/past/e34wagon/
Impressive
Great site!

Last edited by vazfx16; 04-04-2013 at 11:08 PM.
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