Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

DIY Ford 8.8 into V1 Build thread

Old 12-12-2012, 08:45 PM
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Originally Posted by Stone17
GulfM3

Here that rear differential cover brace I was talking about.

http://www.supercoupeperformance.com...spx?partId=494
That Supercoupe place is 5 miles away. My buddy builds their exhaust kits.
Old 12-12-2012, 08:49 PM
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If I can do anything from Ohio let me know. I have a complete rear cradle from a 04 from hub to hub and a 8.8 center.
Old 12-13-2012, 10:53 AM
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Originally Posted by rwarden90
where in texas are you 54 I've got spare axle and possibly ahousing
East of Houston and I work downtown.

Originally Posted by adanieljohnson1
Bullet proof rear on a tt V... Get it done guys! Lol
Yes and mine might go TT after the rear-end. Muahahaha!!!


Anyways, I placed an "order" for some plate that I can hopefully get next week. It should be enough for the first few, and hopefully enough for 5-6 sets of brackets.....

Bowtie, ummmm you can ship that stuff but we already have most of it.

If you are ever heading this way bring it.....

Thanks a ton for the help from Blake and Glenn and for the PMs and offers and everything to come.
Old 12-13-2012, 05:18 PM
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ALLEN NEEDS TO STICKY THIS THREAD! for the last time... Lol
Old 12-14-2012, 08:51 AM
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I just spoke with a guy that will be able to place these brackets in CAD and another 4x4 buddy of mine that should be able to water jet them.

We have a powdercoater available as well.

I JUST NEED SOME DAMN TIME OFF!!!!!!!!
Old 12-14-2012, 09:09 AM
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Anyone know If I can pick up some 8.8 front diff bushings locally? I'm going to start the rear bracket today after work, if I can find bushings I'll get the front bracket done tomorrow.
Will post pics tomorrow.
Old 12-14-2012, 09:23 AM
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Originally Posted by 54inches
I just spoke with a guy that will be able to place these brackets in CAD and another 4x4 buddy of mine that should be able to water jet them.

We have a powdercoater available as well.

I JUST NEED SOME DAMN TIME OFF!!!!!!!!
So what's your plan? If you can pull this off are you going to start offering your own package?
Old 12-14-2012, 09:23 AM
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Originally Posted by GulfM3
Anyone know If I can pick up some 8.8 front diff bushings locally? I'm going to start the rear bracket today after work, if I can find bushings I'll get the front bracket done tomorrow.
Will post pics tomorrow.
I have two. I forgot to see if you wanted it.
Old 12-14-2012, 10:26 AM
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Originally Posted by adanieljohnson1
ALLEN NEEDS TO STICKY THIS THREAD! for the last time... Lol

Lets wait till there are actual results (there have been many great ideas on the forum that never pan out at the end), the active post will keep it floating near the top for now.
Old 12-14-2012, 10:40 AM
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Originally Posted by Stone17
I have two. I forgot to see if you wanted it.
I may swing by tomorrow morning and grab them from you.

Originally Posted by Fuzzy_Wuzzy
Lets wait till there are actual results (there have been many great ideas on the forum that never pan out at the end), the active post will keep it floating near the top for now.
I agree, and if it does become sticky we should condense it down to just pictures, diagrams, part numbers, etc. Cut out all the extra BS.
Old 12-14-2012, 10:52 AM
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Originally Posted by GulfM3
Anyone know If I can pick up some 8.8 front diff bushings locally? I'm going to start the rear bracket today after work, if I can find bushings I'll get the front bracket done tomorrow.
Will post pics tomorrow.
I was just about to text you and see if you wanted to work on this tonight. I actually get to leave for a few hours early. lol

Originally Posted by DACTARI
So what's your plan? If you can pull this off are you going to start offering your own package?
Who knows brother. Long Story:

We would love to come to market with something for the DIYers out there.

I have always been a hot rodder on a budget and have always looked for better or different options.

I don't make or have alot of money and I love to weld, fab and make ****.

WE are R&Ding this and seeing what is the most feasible and exactly where and what we CAN do with this.

It may just be brackets OR like I have done in the past, the CAD drawings/program so you can just cut your own.

Short Story:

I started this thread as a place to collect the 8.8 info for the 2004-2007 CTSV.

We are building some brackets for the three of us, because we want to challenge ourselves to see what we can do, are too poor to afford the other options that are available, etc, etc, etc.
(as you can see there is no short story with me. lol)

Originally Posted by GulfM3
I agree, and if it does become sticky we should condense it down to just pictures, diagrams, part numbers, etc. Cut out all the extra BS.
Preach!
Old 12-15-2012, 01:01 AM
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Well we had a productive evening and I think we are both really stoked.


GulfM3 picked these up:

Then he made this:

A little trimming:


Making spacers:

Test Mules:

LEVEL!







That's all for now.
Old 12-15-2012, 01:18 AM
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Woot woot! Nice nights fabbing men.
Old 12-15-2012, 04:24 AM
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Good information....
Old 12-15-2012, 09:12 AM
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54Inches got to the shop after I had been working on the bracket for a while, here are the pictures showing how to get to the first bracket picture he posted.

First things first, clamp that sucker down.


Next trace the outside and drill pilot holes. Use a hand drill just to get them started.


Now you have a perfect bolt pattern you can take to a drill press.


By the way, 11/32 bit.


On the press, the pilots you started earlier guide you on the press. Don't clamp down the bracket, just let it self center on the drill press bench.


Back on the fab table, mark all the cover webbing locations.


This is where you have to start guessing, because there is nothing to copy or trace. I measured 3/4" from the outside of the case.


Next I measured 3/4" from my traced line, and made a mark. Do this several times around the line you trace.


Time to play connect the dots!


Dots connected and I just freehanded the webbing clearance.


Cut it all out, I actually forgot to cut the vent (top right) at this point.


Nailed it, fits on the first try.



Placing the holes for the mounting bolts (to the cradle) is pretty tricky. But it can be done with careful measurement, nothing needs to be guessed. The two webbing marks on the left and right side of the cover are level. If you draw a line on your bracket connecting the two webbing marks the holes you drill for the mounting bolts need to be perfectly parallel with that line. Then you need to mark center on your bracket, this can be done by bolting the bracket to the case and marking it with a square hanging off the center of the pinion. Sorry I didn't take pictures of this process.
Bottom line, with the center line and horizontal line as reference, the diff will be centered in the cradle directly between the driver and passenger side of the car. And the diff will be in the proper straight up, 12 o-clock orientation, the half shafts will be exactly at 3 & 9.

Working on the front mount today, then I'll order a driveshaft and half shafts. I'm trying something a little different on the Driveshaft, planning on a single piece carbon fiber with a U joint on the transmission end and a CV joint on the Diff side.
Traction LOK, a new CV pinion flange & gears are already on order.
Old 12-15-2012, 09:43 AM
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I'm effing loving this thread. If I were even one state away, I'd be driving over there to volunteer to help. But I'm stuck here in Connecticut.
Old 12-15-2012, 09:51 AM
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Very awesome! Can't wait for final product and price for all parts needed...
Old 12-15-2012, 11:56 AM
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I forgot to mention(as I was half asleep posting pictures last night) how nice to was to work with GulfM3. I had a blast!

Great pictures too.

Originally Posted by FuzzyLog1c
I'm effing loving this thread. If I were even one state away, I'd be driving over there to volunteer to help. But I'm stuck here in Connecticut.
Thanks bud! (Being from Texas, I think everyone is "stuck" in their state, if they can't be here!!)

Originally Posted by adanieljohnson1
Very awesome! Can't wait for final product and price for all parts needed...
GulfM3 has some tricks up his sleeve that are exciting and I hope to get over there in the near future to start some retrofitting and real world testing.
Old 12-15-2012, 06:00 PM
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Much respect, gentlemen.
Old 12-17-2012, 08:56 AM
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The front mount was actually more difficult to build than I expected, I didn't have a good way to bend the metal around such a tight radius. With a bench vise, a long cheater pipe, some cursing and a BFH I came up with something that is passable. I'm still going back through everything and will clean up the rough edges where I used a torch or plasma cutter.




Then I took the old diff and axles out and reassembled the suspension, once I get my CV pinion flange in I'll install the 8.8 diff and measure for the drive shaft and axles.



Depending on how long it takes for the DS and axles to be made, I'm hoping to have it done just in time for the drag strip to open back up mid January.

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