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1994 945 Turbo Ultimate DD Build

Found a bubble on the inner sidewall of one of my tires so I figured I'd refinish them before having new tires installed. I ordered Michelin Pilot Sport All Season 4s, they'll go on in a few days after the paint has cured a bit more.

They were pretty nasty on the back side, a lot of brake dust which was starting to corrode the aluminum on the back of the spokes. Front of the wheels were pretty faded and had a bit of curb rash.

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Nasty
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After degreaser/pressure washing
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Media blasted the back side, started with walnut shell which wasn't aggressive enough, switched to 80 grit crushed glass which did the trick. Ran out before I could do all the barrels, but my main concern was on the back of the spokes.
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All prepped and ready for the painter
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This is the color I picked, very similar silver to the original wheels but much coarser metallic
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Epoxy primer
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Based
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Cleared
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In the sunlight :cool:
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Decided to refresh the brakes while the wheels were off. Refinished calipers with 2k high temp paint, new front rotors and pads, new stainless hoses front and rear, and fresh fluid.

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Prepped
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Painted
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Fresh lube on the slide pins
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Akebono Euro Ceramic Pads (my favorite for street cars, decent bite and very low dust)
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Power bleeding
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Gross old fluid
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Had the new tires mounted on Monday! In addition to the Pilot Sport All Season 4s, I bought one BFGoodrich Radial T/A in 155/80R15 to replace the disintegrating spare tire. This spare tire is almost identical in diameter and can de driven at full speed with no concerns, while allowing me to keep the space saver wheel and the trunk carpet in place (unlike keeping a spare full-size wheel in the car) :cool:

Also used aluminum TPMS valve stems purely for aesthetics

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Original Spare
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New Spare
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I put the wheels on the car and took it on the highway, but it felt like there was vibration from every corner. Went home to check the wheel torque again to find that excess paint was squeezing out between the wheel and the rotor all the way around :omg: I didn't mask off the hubs for paint, and I didn't even think to remove the extra material before having them balanced.

I used 80 grit on a 6 inch random orbital sander and removed all the excess paint while making sure I kept the sander as flat as possible. Put the wheels back on and the vibration was probably 75% better, but still not perfect. I took them back to tire shop today to have them re-balanced and all is good now. Lesson learned! Even a small thickness of uneven material on the hub can really throw off the balance.

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I like how you painted the calipers black and not a ridiculous yellow or red! Your my spirit animal 😂
You’re right the centers don’t look right without the Volvo script. There’s a company that sells those stickers if I can remember I’ll let ya know
I had no idea the paint could throw off the balance like that
 
:) I like how you painted the calipers black and not a ridiculous yellow or red! Your my spirit animal 😂
You’re right the centers don’t look right without the Volvo script. There’s a company that sells those stickers if I can remember I’ll let ya know
I had no idea the paint could throw off the balance like that
Dave Barton used to sell them but Volvo did not like that. It'll be easy enough to cut the graphic on a stencil and paint them
 
I put the wheels on the car and took it on the highway, but it felt like there was vibration from every corner. Went home to check the wheel torque again to find that excess paint was squeezing out between the wheel and the rotor all the way around :omg: I didn't mask off the hubs for paint, and I didn't even think to remove the extra material before having them balanced.

I used 80 grit on a 6 inch random orbital sander and removed all the excess paint while making sure I kept the sander as flat as possible. Put the wheels back on and the vibration was probably 75% better, but still not perfect. I took them back to tire shop today to have them re-balanced and all is good now. Lesson learned! Even a small thickness of uneven material on the hub can really throw off the balance.

paI5lma.jpg
Had the same thing happen 10 years ago on some SAAB SPG wheels. You cannot allow the powder paint on the (1) face of the mounting flange nor (2) the concentric bore that registers the wheel to the spindle. Thankfully the powder paint on my wheels was soft enough I was able to cut it out with a somewhat dull knife blade.

lf you think about it, a very small deviation or eccentricity near the center of rotation creates a much larger deviation from true flat & concentric out where the mass lives.... the tire OD. We all learn from the burn(s).......
 
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