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

CS 8.8 and K-Sport Coilovers Installed!!!

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Old 05-18-2014, 06:45 PM
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Default CS 8.8 and K-Sport Coilovers Installed!!!

First of all I would like to thank the guys and gals at Creative Steel for being incredibly helpful and professional throughout the ordering process answering questions and keeping me posted on delivery dates, progress, status of everything etc… They even went as far as to send me pictures of the diff in its packaging just before it was picked up by UPS. Above and beyond expectations. Can't say enough about them, so again, thank you

Now to the fun. Some of you may or may not know about my car since I haven't been on here long. To make a long story short, it needed the rear end. SOMEHOW the factory diff (latest version), along with the driveshaft shop axle bars had managed to hold 800whp for a little while on drag radials (I never launched the car on them, but it did hold for a handful of 2nd-3rd gear pulls without issue. The plan is to drag race a few times a year as well as have a street car that can actually have usable power through a stout drivetrain. CS 8.8 fit the bill.

I opted for the 3.73 gears, and one piece carbon fiber DSS driveshaft.

Time to take out the old, it served well!


In with the new






3" stainless works exhaust was going to have major clearance issues… Immediate option was to weld, heat and flatten for clearance. I'll either run electric cutouts or have the exhaust re-routed in a better way at some point





Now it fits


Alignment time after having everything apart as well as installing the K-sports. Ride quality is beyond my expectations with these coil overs on a street car.





All finished up. Diff peaks out a little bit if you're really looking for it.



After going through CS's recommended break in for the set up, and then additional cruising, it was time to see what she has. Here were several of my attempts to launch the car, 1st and then in to 2nd gear. Poor Mickey Thompsons… They didn't stand a chance!



Over all I am incredibly pleased with everything. Between BSing some at the shop all in all the swap was very strait forward and took about 3.5-4 hours for us not including the alignment. Wheel hop is non-existent and it is an unreal feeling to drive this car hard with confidence that the drivetrain is STOUT. I've owned a V1 for 5 years now and yesterday was the first day I have ever driven this car the way it should have been designed to drive!!!
Old 05-18-2014, 06:50 PM
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God damn... Of course the stainless works stuff doesn't clear. Why would it? Lol

By the way, is that a Whipple sticking out of the hood? I'm on my phone, can't really tell
Old 05-18-2014, 06:54 PM
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I think plenty of guys have had no issues with a 2.5" Clearance MUST be tight though… I don't think the clearance issues with the Stainless Works were anything except a large diameter pipe fitting through an area that just can't accommodate it. Nothing they would have been able to do unless it was specifically built to clear this diff. Had it been 2.5", it would have been fine I'm sure
Old 05-18-2014, 07:03 PM
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Oh I don't really mind I am just laughing cuz I happened to get the stainless works system too. I'll just have to take it down the street to get it changed.
Old 05-18-2014, 07:07 PM
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Great work.. I have a few of the same mods. 8.8 and SW full exhaust but didn't have to make any modifications for the SW exhaust to fit. pics are up in one of my threads.

Is this the car with the hole in the hood. I think i saw it on instagram.
Old 05-18-2014, 07:09 PM
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Ah, i gotcha. I just wanted to clarify that the exhaust itself and the build quality of it is not the cause of the issue!!! any exhaust shop should be able to get it situated. My buddy can weld and we had access to make it happen on the spot. So thats what we did!
Old 05-18-2014, 07:10 PM
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Yes, it does have a hole in the hood for the blower. Will you post the pic you saw? I wonder if it was from a meet I went to this morning! I'd love to see it!
Old 05-18-2014, 07:13 PM
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Dude, give us some details of the blower. What size, pulley, all that ****.
Old 05-18-2014, 07:15 PM
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2.9l Whipple. It's a C6 kit, with a 3" pulley. Makes 10psi. Next step is figure out how to get this thing to make traction at the current power level, then make more boost, then try to make it hook up at that level!
Old 05-18-2014, 07:23 PM
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Originally Posted by gtistile
2.9l Whipple. It's a C6 kit, with a 3" pulley. Makes 10psi. Next step is figure out how to get this thing to make traction at the current power level, then make more boost, then try to make it hook up at that level!
Right on. I was looking at a liquid coolezd Kenne Bell kit last night. Yours is a C6 kit, do you have rectangular port heads on your car? The kit I was looking at was for a C5Z. I just figured get the whole blower unit and source hx and pumps separately.
Old 05-18-2014, 07:29 PM
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LS7 Motor. I should have been more specific. C6 Z06 kit
Old 05-18-2014, 07:50 PM
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Originally Posted by gtistile
LS7 Motor. I should have been more specific. C6 Z06 kit
Oh... Well no wonder why you don't have traction lololol
Old 05-18-2014, 09:03 PM
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Nice work! I've had to adjust and cut my SW exhaust after the CS 8.8 as well - it's a tight fit.
Old 05-19-2014, 01:38 AM
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i love the look of the rear tires ..what are the brand and sizes....Look like Toyo;s What all was done to get them to fit....wow they look greatBUT u say no good for traction...
Old 05-19-2014, 02:23 AM
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Originally Posted by GREG O.
i love the look of the rear tires ..what are the brand and sizes....Look like Toyo;s What all was done to get them to fit....wow they look greatBUT u say no good for traction...
They are mickey thompson et street 2s. They are in my opinion the best drag radials 18" and up. He said hes making 800rwhp through a whipple, even a slick would have trouble on the street.
Old 05-19-2014, 06:30 AM
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Originally Posted by GREG O.
i love the look of the rear tires ..what are the brand and sizes....Look like Toyo;s What all was done to get them to fit....wow they look greatBUT u say no good for traction...
Mickey Thompson ET Street Radial 2. 265/40/18. Despite what you see in the pics these tires are incredibly sticky. I was literally having traction control kicking in at 100mph with the 275 nitto invos. On the Mickeys i have 100% traction through 3rd, and from a roll enough traction in 2nd to not need to lift on the throttle. They are a *massive* improvement.

Also, ZERO modifications of anything for those to fit. Mount em and go. i'm even lowered a decent amount now and they still have no problems at all. Ill post more pics when im on a computer again
Old 05-19-2014, 06:49 AM
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I'm kind of shocked you went with the 3.73 gears and a smaller tire. Nice setup.
Old 05-19-2014, 07:16 AM
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nice! the MT's will hook at the track if done properly for sure. My camaro ran mid 10s on 654whp through an auto on a 305/45 MT DR. weighed same as V....3850. 3.7 gears too.

Last edited by grocerygetter; 05-19-2014 at 07:34 AM.
Old 05-19-2014, 07:44 AM
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Originally Posted by MN_V
I'm kind of shocked you went with the 3.73 gears and a smaller tire. Nice setup.
the 265 Mickey is actually just as wide (maybe wider) than the 275 Nitto Invo. Diameter was within 1/2" as well I believe. If there was a 275/40/18 Drag radial I would have bought it… No such thing exists unfortunately. 3.73s were too fun to gear it down. I'll get it to hook up!

Pics of fitment





MT 265/40/18 Compared to 275/40/18 nitro invo

Last edited by gtistile; 05-19-2014 at 07:59 AM.
Old 05-19-2014, 08:33 AM
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What is that tab added to the CS 8.8 bracket? I don't have that? Must be an advertising plate?


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