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Quicksilver Saga, 2011 C30 M66 Revival

23487 Views 263 Replies 22 Participants Last post by  CYB3RBYTE
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Hey everyone. I've been on Swedespeed for a while, but normally in the P80 forums. After getting interest in selling my 850 R, I figured it was time to move to a newer, smaller Volvo. I had been looking for manual cars FOREVER, and there were very few in my area, if any. Finally I happened upon a M66 2011 C70 with only 91,000 miles, in my area, with a book of records. I went to look at the car on a Thursday, and bought it the next day. Big thanks to C30 in WI, the previous owner, he took excellent care of this vehicle and I plan to do the same.

Here is a quick hatch photo I took after getting back with the car:



This is my first manual car (although I've driven friend's cars before) so any tips on how to drive these cars to avoid clutch wear would be appreciated. I don't want to do a clutch anytime soon lol.

Immediately I noticed the cabin air temp sensor was super loud, so I took it apart and blew it out, and after reinstalling it, it's pretty quiet. After that, I went to work on removing the piece of paper that was stuck in the CD drive. After getting it out, reassembling the console, and testing it, I'm happy to report it works perfectly.







Is there anything I can do to remove the green color from the CD slot?

Things to do on the car: I feel as though this car needs motor mounts, the shifts are a little clunky unless you completely baby the clutch. It also makes some good clunks over bumps, don't know if these are related or they are suspension based. Also would like to figure out how to get these spots off of the trim plastic. Any thoughts are appreciated!

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I stuck with my 300mm fronts because it was cheaper and I just got really good pads for it. Then again, I don’t track it, so I’m sure if you did it would be worth it. I'll probably upgrade next time I need pads/rotors
HOLD ON!, you car should have 320's from factory. What happened there?
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HOLD ON!, you car should have 320's from factory. What happened there?
Yeah no idea. That's what I thought too, until I got a set of 320mm Yellowstuff pads from EBC and they were clearly too big to fit. Got stuff for 300s and it fit perfectly.
According to iPd "Most" facelift M66 C30s came with 320mm fronts, but not all.
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Yeah no idea. That's what I thought too, until I got a set of 320mm Yellowstuff pads from EBC and they were clearly too big to fit. Got stuff for 300s and it fit perfectly.
That's weird. All T5 AWD M66 S40/V50's supposedly came with 320's from factory. Then C70's somewhere in 2010-ish started coming with them as well (mine came with 300's)

If you have a VIDA/Dice, try checking the car configuration data that's stored in the CEM, Right there will tell you what with which brakes the car came out from factory.
I stuck with my 300mm fronts because it was cheaper and I just got really good pads for it. Then again, I don’t track it, so I’m sure if you did it would be worth it. I'll probably upgrade next time I need pads/rotors
Even if you don’t track it the pedal feel is way better and the control of the pads is far superior to single piston calipers and the response is Way crisper without the slop from the floating caliper.
Yeah no idea. That's what I thought too, until I got a set of 320mm Yellowstuff pads from EBC and they were clearly too big to fit. Got stuff for 300s and it fit perfectly.
Too big as in length, width or thickness?
Too big as in length, width or thickness?
That's what she said. In that order.......
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That's what she said. In that order.......
I had to take about 4 mil thickness off the front pads I got from EBC that should’ve got per their tech department before shipping. I like the Wilwood pads better but they don’t last as long.
Too big as in length, width or thickness?
I've seen 320mm pads in 300mm brakes. they're thicker, the pads extend past the rotor and almost collide between themselves if they're too worn down
I had to take about 4 mil thickness off the rear pads I got from EBC.
eeehhh? I thought we were talking about front brakes.
That's weird. All T5 AWD M66 S40/V50's supposedly came with 320's from factory. Then C70's somewhere in 2010-ish started coming with them as well (mine came with 300's)

If you have a VIDA/Dice, try checking the car configuration data that's stored in the CEM, Right there will tell you what with which brakes the car came out from factory.
Mine's a T5 M66 FWD. Wonder if that's it?
Too big as in length, width or thickness?
Thickness and height. Clearly meant for 320s, and mine are clearly 300s
I've seen 320mm pads in 300mm brakes. they're thicker, the pads extend past the rotor and almost collide between themselves if they're too worn down
One side went in, but the caliper wouldn't close because they were too tall and thick for the 300 calipers
eeehhh? I thought we were talking about front brakes.
Yup. I edited it right away but your fingers are faster than mine….lol
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Mine's a T5 M66 FWD. Wonder if that's it?
---->>> BINGO! that's why!
Yup. I edited it right away but your fingers are faster than mine….lol
Computers will always win against cell phones!
Computers will always win against cell phones!
You’re lucky I covered my phones ears…..she’s sensitive
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Automotive tire Wheel Rim Synthetic rubber Road surface


Another thing I remembered when doing the upgrade to OEM 320's: The dust shields, either grab the 320 ones or you can modify the 300's like this:



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I have them and I like them. I think they worth it because of the larger rotor size which provides:
  • More stopping power with same clamping force. (Yes, the 320mm caliper piston diameter is the same as the 300mm calipers)
  • Slightly better heat dissipation.
  • Caliper has a different design, looks sturdier, like less prone to flexing from piston pressure.
  • Caliper looks better, it fills the wheel better. (I hate brakes that look like this:
View attachment 168417 )

If you do the upgrade, that would be the perfect time to also upgrade to stainless steel braided lines and maybe also doing frankenbrakes (rear 302mm)
+one one the frankenbrakes. IPd stainless lines. (More than meets the eye) Still….. Wilwoods up front.$680 from Elevate isn’t expensive for a proven racing product which will outperform any stock caliper time and time again.
We’ve used Wilwood on our sprint cars for decades without issue. Solid.
I also discovered the cupholder rubber inserts have ripped or are not present. Any idea on where to find just the rubber parts for this so I don’t have to destroy the whole plastic cupholder insert?
I have looked for the same thing as I was able to buy just the rubber bits for my previous P80s. But no luck. I bought a whole new cup holder but the rubber is already tearing as it is probably just as old. I have looked into making ones out fo silicone, but no really pursued it yet.

According to iPd "Most" facelift M66 C30s came with 320mm fronts, but not all.
Mine is a '11 T5 M66 R-design and 300mm fronts.
My car is a base model, so I have to guess that is why it wasn't equipped with the 320mm. My dad's 2011 C70 also had 300mm, not 320mm.
My car is a base model, so I have to guess that is why it wasn't equipped with the 320mm. My dad's 2011 C70 also had 300mm, not 320mm.
It honestly seems kind of random which cars have them and which cars don't, especially for C70s and C30s
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