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Supercharging the 1.8L and 2012 Cruze LS restoration

22520 Views 124 Replies 12 Participants Last post by  MP81
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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!

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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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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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Laid out the rough routing for my charge piping this weekend! Shouldn't be too bad.
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So you're plumbing the roots supercharger through an air-to-air intercooler? Interesting...
So you're plumbing the roots supercharger through an air-to-air intercooler? Interesting...
exactly, I will be taking my stock K&N intake and putting it to intake duties from the supercharger inlet, the outlet will be routed from the supercharger, which is the AC compressor spot going between the exhaust manifold and radiator, then to the front mount intercooler, then to the throttle body. Between the intake portion and charge pipe portion, I will be adding the bypass valve, which works to releive load on the supercharger in low load scenarios. It basically references off the intake manifold, so as soon as there's some vaccum, it opens. The MAF sensor will be left on the intake portion and the bypass will be plumbed after the MAF so that all air remains metered.

It will be quite similar to how Miata's are supercharged, but with a different supercharger and placement and transverse mounted engine obviously.

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Good stuff! I'm just used to the factory-style setups using a heat exchanger (like my Cobalt).
Good stuff! I'm just used to the factory-style setups using a heat exchanger (like my Cobalt).
I mean it could've been a way to do it, but it would've required way too much work on the intake side compared to having it this way.
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I mean it could've been a way to do it, but it would've required way too much work on the intake side compared to having it this way.
It'd be **** near impossible in all honesty. At least for this kind of engine.
It'd be **** near impossible in all honesty. At least for this kind of engine.
yeah, with the lack of space, needing a custom fuel rail, evap purge having to be relocated and even then, I'm not sure there would be enough room.
yeah, with the lack of space, needing a custom fuel rail, evap purge having to be relocated and even then, I'm not sure there would be enough room.
Yeah - the LSJ intake manifold is a beast, and I'd expect something similar would be needed for adequate cooling.
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So after drilling and Dremel work, I was able to remove the flange portion of the casted portion of the tubing from the Mercedes.

Now I need to make both sides flat, then make a plate to go over it to then braze that and two ends up bead rolled 2.5" tubing for it to be usable!

I also started cutting the gasket for this yesterday in a Fel-Pro sheet.

I didn't progress much this weekend as I was mostly cleaning my little workshop.

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So I ended up ordering some new rotors and pads today, because of lots of sitting for a few days at the time over the past 2+ years (working from home, etc) they've just **** the bed. I mean they're only making contact on the middle 50% basically, even though the pads are still 75%+. So, Powerstop Z23's it is. Also bought some red caliper paint and four red SS badges!

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I started fabricating the plexi plate to go over the left middle vent to house two gauges, cut using a Dremel, then sanded the edges flat and chamfered the edges. When final, I will be painting it to match the dash trim or possibly wrapping as I have some high quality vinyl that is somewhat close to the silver.

To mold I just used a heat gun to shape it to the trim.

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I started fabricating the plexi plate to go over the left middle vent to house two gauges, cut using a Dremel, then sanded the edges flat and chamfered the edges. When final, I will be painting it to match the dash trim or possibly wrapping as I have some high quality vinyl that is somewhat close to the silver.

To mold I just used a heat gun to shape it to the trim.

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Nice work !!!
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I put in a lot of work yesteday night to fit the exhaust parts I have better, lowered the car and in my tired self, I had routed the exhaust between the z-link and the cross member to which it attaches to, so it did not clear with the coilovers. I raged a bit let's just say.

On another note, I took the stock intake casted tubing and cut it to prepare it to braze some plate to it to create the inlet and outlet for the supercharger itself.

Next big step is taking measurements from the mounting points off the AC mount, something I have not been able to find online. With these measurements I can then finish adapting it for the supercharger.

Hopefully this weekend, I get some time to work on it.

Big things coming in the coming weeks. Routing the charge pipe from the throttle body up to the intercooler and braze some sections where possible. Mounting the supercharger (make the bracket). Finish my adapter plate for the boost gauge and AFR gauge off the template I made this weekend, then heat shape it to fit the trim.

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Looking good so far. I am adding these references just in case you have not seen them:


I cannot find a link, but ones like this also exist:
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I'm not much of a buy and install guy, I'm more of a, if I can make it then I'm making it sort of guy. I also don't care for permanently modifying the car instead of adding parts I can later remove.
I'm not much of a buy and install guy, I'm more of a, if I can make it then I'm making it sort of guy. I also don't care for permanently modifying the car instead of adding parts I can later remove.
All are removeable and replaceable. You could 3d print the one with no link though.
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Using the kit from DipOutlet, here's what I did over tue weekend! Still need to remove the dip from the lug nuts though. There was a whole lot of "trust the process" in my head using the dip release, but it's actually quite easy to use and works very well. I'd recommend using very wide masking tape roughly 1" from the wheel all around then use dip release in the section between the tape and the wheel, it would be best of both worlds. The only wheel I actually need to touch up slightly is my first wheel, which I masked off entirely and took more time than all other three wheels combined using dip release.

This is the exact kit I used : HyperDip Wheel Kit Canada

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Also ordered some headlight bulbs and DRL/fogs.

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Started to tint and wrap the fog lights, the chrome will be gloss black and the LEDs yellow!

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Re-restored the headlights and installed the new sylvania bulbs, kind of disappointed in the whiteness it promised.

This McGuiar's restoration heavy duty kit works great.

Passenger before, drivers after.
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Saturday blues.

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