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Supercharging the 1.8L and 2012 Cruze LS restoration

22465 Views 124 Replies 12 Participants Last post by  MP81
So welcome to my build log, this is sort of a build log slash restoration log, I'll make a list of things I want to do and things I've done. My goal is to restore this car as I can with better upgraded parts and eventually install a supercharger. I'm open to any and every comment or suggestions! I also want to thank all my sponsors, I really appreciate the support!

Wheel Tire Car Vehicle Land vehicle

A 2012 Chevrolet Cruze LS with
2002 Mercedes C230 Kompressor supercharger

2006 Mini Cooper S bypass valve
2003-2009 Nissan 350Z CF intake vent
2019-2021 Mazda 6 front lip

what's next?

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AEM Performance Electronics | Aftermarket Performance Parts

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EZ Lip: Universal Spoiler Lip Kits | Stick-on Front Splitters

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DIP OUTLET | Canada's source for Plasti Dip

All underlined items are hyperlinked to the post showing it.
General things done
General things done that have been replaced or removed
Things to do
  • Bedline most of the underside of the car to prevent further rust (steel brush, rust inhibitor, then undercoat)
  • Install dual 3.5" double wall exhaust tips
  • Aluminium braze portions of the charge pipes together (budget TIG welding anyone?)
  • Install Boost Gauge (2nd post)
  • Install AFR Gauge
  • Design and make SC mounting bracket
  • Design and make SC in/out ports plate (Part 1)
  • Design and make bracket for extra pulley
  • Cut out new gasket for the SC in/out port plate
  • Repair drivers side rocker panel (Post 2) (Post 3) (Post 4)
  • Repair rust above rear wheel well where the rear bumper mounts
  • Change transmission oil with the good AMSOIL stuff
  • Fix defrost
  • Change engine oil
  • Check toe alignment
  • Check headlight alignment
  • Check for exhaust leaks
Things I'd like to do
  • Light tint on rear windows
  • Swap to LEDs (everything but headlights)
  • Coolant flush
Supercharger specific things to-do list | Excel log : Supercharged Cruze
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I just realized that my car has the Watts suspension in the rear, that's quite surprising for a 2012 LS model

But there are always those who don't even consider high quality parts because: "Why pay more when you could pay less?"

You get what you pay for....

I bought these used and they lasted less than a year, Five8's incoming though.
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So I ended up buying two new aftermarket end links just to find out the kit fron Five8 comes with adjustable sway bar end links. smh.
Coilovers arriving today! :O Hoping to at least start to install stuff tonight!
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When I changed to lowering springs last summer, I already changed the whole front strut assembly along with the rest springs. Basically the only thing I have not done yet is the rear shock top portion removal, which shouldn't be much of an issue.

I also have a set of OEM front struts with lowering springs and a set of OEM front struts with OEM springs. I'll be disassembling the OEM set to get the top mount off to install on the coil overs tonight while I take some time to fix my exhaust. I'll also likely be installing at least the rear passenger springs/perch because I'm still riding on that broken lowering spring held together with a bunch of stainless tie-wraps.
So I installed the rear passenger side spring and sorta guessed the height and was dead on with the height of the lowering springs that had broken!

I'm gonna be prepping my stuff and start installing the rest Friday. Question for you guys, is there a spot in the center of the front and center of the rear that would let me raise both sides at the same time then place a jack?


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Installed the back and as expected, one side is higher than the other with the same adjusted height.

Passenger side is half an inch higher, so I'll have to adjust that one night this week.

I would've started the front, but I still need to get those hats (strut mount) off. I'm gonna go to the garage tomorrow and ask them to just disassemble my stock strut and then install the hat on the coilovers. I also installed my summer wheels (all season tires).

Also I think fitment is really good for stock wheels.

Tire Wheel Car Vehicle Automotive tire
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Soooooooo, welp I was using the cars scissor jack to do stuff on it and it finally gave in, shoving the rear quarter panel in about a good inch or so. Used my wife's Caravan scissor jack to re-raise the car and remove the one included. Went straight to the bin with the broken lowering coil spring. I knew I had to redo my driver's side rocker panel, but sheesh. Few well place soft kicks and it's back in place though.

Now, I went on a bit of a shopping spree these last few weeks. Bought a few parts for the supercharger portion too.

  • 2.5" charge pipe with Type RS BOV adapter flange
  • eBay shift knob (round gloss purple)
  • 2.5 ton jack
  • pair of jack stands
  • ScratchesHappen kit (the big one)
  • Torque wrench
  • Adapter sockets (cause my 3/8" drive decided to die and I have to go swap it at the store for a new one)
  • 15/16" wrench for the strut disassembly to take the top strut mounts which I call hats
  • Tires for the wife's Caravan (Khumo Sense KR26 in 225/65R17)
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Get some nice pinch weld adapters for the jack and jack stands so you don't bend the ever loving **** out of them.
The whole drivers side pinch welds are done for, so I'm no longer lifting it from those anyways I lift on the frame body rails.
AAAAAAANNNNNNNNNNNNDDDDDDDDD I just ordered the supercharger from a salvage lot.
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Also ordered some new top front strut mounts because I came to realize my old ones don't want to come out AND they're quite worn.
So I just had a chat with the guys as and they'll be sending me a hyperdip kit to make my wheels bronze gold! can't wait! :D
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Is that a rust through hole already? That will be the first one I personally have seen so far if it is.
Yup, it's the only "real" rust on the car (the rocker panel is from improper lifting of the car).

I'm going to be going over all of the rust during the course of the summer and spring and addressing it. Hope to give a good coat of bedliner under the car too progressively.

Speaking of wheels, too bad you weren't a bit closer, I'd pay you to do a set for me, that is as soon as I locate a set of ECO rims anyways. :rolleyes:
I love plastidipping stuff. I got really lucky to find these wheels tbh, it just so happened I was browsing a sonic/cruze group from the province and the guy posted those with lowering springs for sale, I bought them on the spot. Tires had one summer left in them, but for $250-300 CAD, meh! Springs on the other hand, wheren't the best investement 🙃
I just want a shiney set myself. I have about 10 cans of plasti-dip, but have stopped using it as I don't seem to have the best luck with it.
Plastidip has it's learning curve for sure, I'm excited to try out hyperdip instead, seems it's quite different from plastidip, it's thinner and less viscous, so more like paint as opposed to heavy layers with plastidip.
You will need a pretty big tub to be able to dip a rim into it and some strong arms.

hyperdip, not hydro dip 🙃
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I just posted my excel spread sheet I use to keep track of everything and how I calculated approximate output

Supercharger Excel log : Supercharged Cruze
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Socials lit up this weekend, but slowly this build is coming together.

In shipping currently:
  • new top strut mounts
  • sponsored hyperdip wheel kit
  • boost gauge
  • bypass valve
  • intercooler
Oh and this just arrived.

Hand tool Tool Metalworking hand tool Bumper Wood
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What's your game plan for making that thing work?
I'll be making an adapter plate (already made a prototype drawing) to adapt the AC Compressor bolt pattern to this superchargers bolt pattern. Since I didn't have AC to begin with, I'm saving having to delete the AC system! I posted the excel spread sheet, check in the second tab, there's a bunch of pictures I use for reference and they show quite well.
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I saw in your spread sheet that you need some 40+ lbs injectors? I'm actually upgrading from 465cc (~ 43 lbs) Deatschwerks injectors to 650 cc (~ 60lb) injector. The have about 5,000 miles on them. If you would like to buy them they are yours. I'll even throw in the OEM fuel rail if you want it. PM me if interested. I'll accept any reasonable offer.
**** 1.8L not being able to take in those injectors lol
Intercooler is here! I got a heck of a deal on it, I almost think it was a pricing error on Amazon lol I came to about $60 USD to my door, shipped and sold by Amazon 🙃

Black Rectangle Grille Hood Gas
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