Winter Driving & SaltQuestionCommunity Starter

2006 Mazda RX-8 Sport — fluid-film style rustproofing on a daily winter car

TrailSeller62Community StarterMar 15, 20262006 Mazda RX-8 SportFlorida
Car sees salted roads all winter. I'm considering an annual oil/wax style treatment rather than a hard undercoat. Any areas people commonly miss or places you would specifically avoid spraying? I'm in Florida. Trying to diagnose before I book a shop.
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18 replies

CityTech76Community StarterCommunity StarterMar 15, 2026permalink
Salt and cold mornings punish cheap shortcuts. If Florida only sees a few real storms, a good all-weather on the 2006 Mazda RX-8 can be the saner daily. I'd do that before spending real money. Learned this the expensive way on a previous car. I'd rather be boring and correct. I keep a notes app thread for this now.
RotorFanCommunity StarterCommunity StarterMar 16, 2026permalink
This is a climate question as much as a tire question. In Florida, dedicated winters on the 2006 Mazda RX-8 paid off more than I expected on ice, even on plowed roads. That's where I'd start. On “8 sport — fluid-film style rustproofing on,” that was the fork that mattered for me. A shop burned me once by skipping that step. I already checked the easy fluid levels.
PixelRoadieCommunity StarterCommunity StarterMar 17, 2026permalink
Same neighborhood, different next step: If Florida only sees a few real storms, a good all-weather on the 2006 Mazda RX-8 can be the saner daily. Then you'll know the next fork. On “8 sport — fluid-film style rustproofing on,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. This is me being the wet blanket on purpose.
RotorFanCommunity StarterCommunity StarterMar 16, 2026permalink
I'd pick the setup I'll actually live with in slush. Watch brake clearance and overall diameter if you downsize winter wheels on the 2006 Mazda RX-8. I'd do that before spending real money. Had a similar mess a couple years ago and that's what finally sorted it. I'd rather pay for diagnosis than a second guess-repair.
WrenchWrenchCommunity StarterCommunity StarterMar 16, 2026permalink
This is a climate question as much as a tire question. In Florida, dedicated winters on the 2006 Mazda RX-8 paid off more than I expected on ice, even on plowed roads. Then you'll know the next fork. On “8 sport — fluid-film style rustproofing on,” that was the fork that mattered for me. If you share a photo of the worksheet, easier to sanity-check. If it repeats twice more I'll book time.
RotorFanCommunity StarterCommunity StarterMar 17, 2026permalink
Quick add on that: In Florida, dedicated winters on the 2006 Mazda RX-8 paid off more than I expected on ice, even on plowed roads. That's where I'd start. Learned this the expensive way on a previous car. Wrote this up on my lunch break.
PixelRoadieCommunity StarterCommunity StarterMar 18, 2026permalink
I hear you, though I'd still want a second check. If Florida only sees a few real storms, a good all-weather on the 2006 Mazda RX-8 can be the saner daily. That's where I'd start. On “8 sport — fluid-film style rustproofing on,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. No warning lights, which is why I'm documenting it.
CityTech76Community StarterCommunity StarterMar 16, 2026permalink
This is a climate question as much as a tire question. In Florida, dedicated winters on the 2006 Mazda RX-8 paid off more than I expected on ice, even on plowed roads. I'd do that before spending real money. A shop burned me once by skipping that step. If this is nothing, great. I want that in data.
RotorFanCommunity StarterCommunity StarterMar 16, 2026permalink
I'd pick the setup I'll actually live with in slush. Watch brake clearance and overall diameter if you downsize winter wheels on the 2006 Mazda RX-8. Then you'll know the next fork. A shop burned me once by skipping that step. Not trying to scare you — just skip the expensive first guess. This is the version I'd tell a friend.
PixelRoadieCommunity StarterCommunity StarterMar 16, 2026permalink
I'd pick the setup I'll actually live with in slush. In Florida, dedicated winters on the 2006 Mazda RX-8 paid off more than I expected on ice, even on plowed roads. Then you'll know the next fork. Verbal 'we'll take care of it' is not a plan. This is me being the wet blanket on purpose.
CityTech76Community StarterCommunity StarterMar 16, 2026permalink
This is a climate question as much as a tire question. Watch brake clearance and overall diameter if you downsize winter wheels on the 2006 Mazda RX-8. That's where I'd start. On “8 sport — fluid-film style rustproofing on,” that was the fork that mattered for me. This is from a 2006 Mazda RX-8 in Florida. Learned this the expensive way on a previous car. If the story changes I'll post the new data.
RotorFanCommunity StarterCommunity StarterMar 16, 2026permalink
I'd push back a little: Watch brake clearance and overall diameter if you downsize winter wheels on the 2006 Mazda RX-8. That's where I'd start. Had a similar mess a couple years ago and that's what finally sorted it. Doing the boring step first on purpose.
CityTech76Community StarterCommunity StarterMar 17, 2026permalink
Fair point. Counterpoint: In Florida, dedicated winters on the 2006 Mazda RX-8 paid off more than I expected on ice, even on plowed roads. That's where I'd start. Learned this the expensive way on a previous car. No warning lights, which is why I'm documenting it.
WrenchWrenchCommunity StarterCommunity StarterMar 17, 2026permalink
I'd pick the setup I'll actually live with in slush. If Florida only sees a few real storms, a good all-weather on the 2006 Mazda RX-8 can be the saner daily. Then you'll know the next fork. If you share a photo of the worksheet, easier to sanity-check. Wrote this up on my lunch break.
TrailSeller62Community StarterCommunity StarterMar 18, 2026permalink
Useful. I'll report back after I verify that on my 2006 Mazda RX-8. I'll poke at it this weekend.
WrenchWrenchCommunity StarterCommunity StarterMar 19, 2026permalink
That's a good start, but I wouldn't stop there. Watch brake clearance and overall diameter if you downsize winter wheels on the 2006 Mazda RX-8. Then you'll know the next fork. This is from a 2006 Mazda RX-8 in Florida. If you share a photo of the worksheet, easier to sanity-check. That's coming from doing this as an owner, not a shop. Doing the boring step first on purpose.
PixelRoadieCommunity StarterCommunity StarterMar 19, 2026permalink
Same neighborhood, different next step: If Florida only sees a few real storms, a good all-weather on the 2006 Mazda RX-8 can be the saner daily. Then you'll know the next fork. On “8 sport — fluid-film style rustproofing on,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. Checking again after work.
RotorFanCommunity StarterCommunity StarterMar 17, 2026permalink
I'd pick the setup I'll actually live with in slush. Watch brake clearance and overall diameter if you downsize winter wheels on the 2006 Mazda RX-8. Then you'll know the next fork. Had a similar mess a couple years ago and that's what finally sorted it. I'm in no rush to be a hero on it.
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