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Old 05-12-2018, 06:12 PM   #1
firefighterjosh
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I had no idea were to put this build thread but since most of it is suspension related ill put it here.

Ive owned this car for about 2 years now and it has been a good car. The last 6 months it has went through a pretty major transformation. Let me start a thread and get you all up to date.

2004 GTO
M6
5.7
K and N got air intake[IMG class=inlineimg]https://www.ls1gto.com/forums/images/smilies/scratchhead.gif[/IMG]
Magnaflow Mufflers

Mods to come
Full exhaust
Suspension updated.


Some pics from the day it was brought home.

Follow me @kissingerjosh on Instagram for all the pics as I did the small build
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Old 05-12-2018, 06:35 PM   #2
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next up on the list is to wake this GTO up.

Ordered some pacesetter headers, offroad mids, and SLP cat back.

As I replaced the exhaust I noticed my center bearing in my driveshaft was gone. I was searching YT and saw Josh's car corner had a review/discussion on drive shafts. My luck he had one for sale.
We met up and I bought it. Very cool guy and very knowledgeable about GTOs.

I bought a new flange from the Driveshaft shop to bolt to my Diff. The driveshaft was a couple inches too long. After much searching I noticed some older shafts were too long back in the day. Not a huge deal. I had a local shop shorten it.

The exhaust went together very well. I have 1 small leak. You can see or hear it unless you see the small puddle (quarter size) condensation from the exhaust drip on the concrete.
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Old 05-12-2018, 07:06 PM   #3
Nothubertjfarnsworth
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take the opportunity to relocate the ECM now if you're ever going to do it.

i recommend it with headers.
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Old 05-12-2018, 07:11 PM   #4
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Car sounded good but I didn't like how it drove.
I saved some money and decided to revamp the entire suspension.
On the list
Coil overs all around
Every bushing replaced.
new wheels

This might not sound like much but its a big task i never want to do again lol

Lets start
First thing is a needed a lift. I could not justifying have a 2 post as I really dont have the room. So I bought a quick jack. Top 3 best tool I have ever bought.

I emailed Kollar Racing and had him send me every bushing for the GTO.
Also scored a set of BC coils overs from ebay.

Front end.
Adjustable Radius rod busings
Ball joints
tire rod ends
Brakes
Lower Aarm bushing
Sway bar bushings
BC coil overs
Strut mounts

I have lots of pics if you want anything specific.
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Old 05-12-2018, 07:22 PM   #5
firefighterjosh
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rear end got some new parts
Inner adjustable bushings
Outer new bushings
Coils and Shocks from BC
Toe rods
Brakes
cradle bushings

I cut out the outer bushing bolt that no one can get out with a half inch Grade 8. First almost perfect and actually fits in the bushing better.

Other parts
Diff insert
New trans bushing.

If you see something wrong I probably fixed it. I learned a lot from this build
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Old 05-12-2018, 07:23 PM   #6
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Quote:
Originally Posted by Nothubertjfarnsworth...View Post
take the opportunity to relocate the ECM now if you're ever going to do it.

i recommend it with headers.

Good thinking. I never thought of doing that.
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Old 05-12-2018, 07:34 PM   #7
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Ive done so much to this car lately im sure I forgot some things.

Everything is together now and the car is awaiting alignment.

Front and rear fenders are rolled.

Wheel combo is
VMR703
hub ring
19x8.5 ET 40
19x9.5 ET 45
Hankook V12
235/30/19
265/30/19

Ill post some more pics and issues in this thread but for now its pretty much done.

Future mods is a full engine rebuild with a power adder and trans rebuild.
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Old 05-12-2018, 07:35 PM   #8
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Quote:
Originally Posted by firefighterjosh...View Post
Good thinking. I never thought of doing that.

have fun with that stupid grommet in the dash.
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Old 05-12-2018, 07:37 PM   #9
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Some reason all my pics are sideways
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Old 05-12-2018, 08:23 PM   #10
Assplay?
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Sideways or not 703s always look so damn good.

Saw a 435i with CSLs on it this evening and thought the same thing.

"smurf I want those on my car."
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Old 05-12-2018, 09:09 PM   #11
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Quote:
Originally Posted by Assplay?...View Post
Sideways or not 703s always look so damn good.

Saw a 435i with CSLs on it this evening and thought the same thing.

"smurf I want those on my car."

i agree. i want them on my car but my budget is heavily red-car biased.

my red car already has welds, so...
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Old 05-13-2018, 05:47 AM   #12
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Nice build and that quick jack - wonder if it'll lift it high enough to get a trans out. Guess it doesn't matter much since I have an M6 too and we can separate the bell from the gear box. Might have to look into this ...
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Old 05-13-2018, 06:09 AM   #13
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I really want quick jacks but then no side access under the car
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Old 05-13-2018, 10:15 AM   #14
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Quote:
Originally Posted by Assplay?...View Post
I really want quick jacks but then no side access under the car

That and the price is close to 2 post lifts which I can accommodate if I really wanted to.
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Old 05-13-2018, 12:23 PM   #15
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Very nice build!
Now you got to swap out the brakes to CTS-V 6 piston front and 4 piston rear or at least upgrade to 05-06 brakes.
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Old 05-13-2018, 04:46 PM   #16
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Quote:
Originally Posted by Nothubertjfarnsworth...View Post
take the opportunity to relocate the ECM now if you're ever going to do it.

i recommend it with headers.

+1

Itís easy and well worth it.
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Old 05-15-2018, 05:41 AM   #17
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Quote:
Originally Posted by HMBLGOAT...View Post
Nice build and that quick jack - wonder if it'll lift it high enough to get a trans out. Guess it doesn't matter much since I have an M6 too and we can separate the bell from the gear box. Might have to look into this ...

Yes it will go high enough.
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Old 05-15-2018, 05:42 AM   #18
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Quote:
Originally Posted by Assplay?...View Post
I really want quick jacks but then no side access under the car

It dont bother me at all. It picks up at the pinch welds.
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Old 05-15-2018, 05:43 AM   #19
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Quote:
Originally Posted by Afroman...View Post
Very nice build!
Now you got to swap out the brakes to CTS-V 6 piston front and 4 piston rear or at least upgrade to 05-06 brakes.

that will come with time. I think the 04s work good enough for my purpose.
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Old 05-15-2018, 05:47 AM   #20
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Plenty of room to pull a trans.


Also before and after of my cheap headlight restore.
Unfortunately the headlights are so ole and brittle I need new ones. However it looks way better so it will get me through another year.
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Old 05-15-2018, 06:14 AM   #21
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I would love to have one of those. However at $1400....I'm a little turned off.
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Old 05-15-2018, 08:34 AM   #22
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If you don't have the room for a lift it's very nice.

I mainly wanted it because it's safer then jack stands
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Old 05-15-2018, 09:44 AM   #23
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Well done! Congratulations on getting all that work done!
Question-how did it go installing the new driveshaft flange to the differential? do you have a picture of it? thanks!
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Old 05-15-2018, 09:51 AM   #24
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It's from the driveshaft shop. Just slips over the yoke and bolts on. Hope that's what you need.

It has a hole in the middle that centers it on the stud sticking out of the diff
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Old 05-16-2018, 06:37 AM   #25
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Thanks for the pics! yes, that helps, especially the second picture.
I was interested in seeing how it all looked bolted up, and if the bolts are flush with the diff yoke. Maybe the second picture a little more away to see it together?
Thanks! great color car, by the way.
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Old 05-17-2018, 07:03 AM   #26
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Quote:
Originally Posted by jegten...View Post
Thanks for the pics! yes, that helps, especially the second picture.
I was interested in seeing how it all looked bolted up, and if the bolts are flush with the diff yoke. Maybe the second picture a little more away to see it together?
Thanks! great color car, by the way.

ill grab a couple pics once I get it back on the air again. Its getting a alignment and Ill need to get a few miles on it to make sure everything stays tight.
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Old 05-18-2018, 05:20 AM   #27
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ill grab a couple pics once I get it back on the air again. Its getting a alignment and Ill need to get a few miles on it to make sure everything stays tight.

Thanks man! no worries. I have the same setup with a one piece ds, just having issues with it and curious to see someone else's. Enjoy the ride!
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Old 01-30-2019, 01:26 PM   #28
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had a oops moment.

Stock axles with sticker tires and a launch don't mix.


Bought a stock axle for $50 to get me by until I do the engine mods.



Next on the list I just ordered a Wideband and HP Tuners. Figured I should practice with my stock engine before going to cams
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Old 01-30-2019, 02:00 PM   #29
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Was that on stock inner stubs too? Lucky it broke at the joint and didn't shear the stub inside the diff instead.
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Old 01-30-2019, 02:12 PM   #30
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funny how when someone starts modding this car, they tend to go through a similar journey of breakage as those that came before him, regardless of having knowledge of those stories.
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