This is why I can't have nice things...

[C5driver]

Sloped driveway and a 90 degree exit = .75" clearance on the diffuser.

45 degree exit = 1.8" clearance.

So much for the KW HAS kit

[ALEXM6GC]

Originally Posted by C5driver

Sloped driveway and a 90 degree exit = .75" clearance on the diffuser.

45 degree exit = 1.8" clearance.

So much for the KW HAS kit

It's time to trench your driveway.

[joe@trinityautosport]

What about going in/out angled?

[speedracerlo]

yeah living in LA, I could never get those front splitters and low rear diffusers.

[C5driver]

Originally Posted by joe@trinityautosport

What about going in/out angled?

45 degree angle gets me about 1.8" clearance with no passengers, an empty trunk, and 1/4 fuel tank.

[bigbrian]

Look on the bright side... It's time for a new driveway!

Brian

[Mr.SugarSkulls]

Darn...guess you'll have to sell it to me

[HoustonRider]

I have a hard enough time in Houston with the OEM splitters

[C5driver]

First lifted M6?

[supremepower]

Originally Posted by C5driver

First lifted M6?

First M6 on air suspension/bags??

[bigbrian]

Originally Posted by supremepower

First M6 on air suspension/bags??

Ahh now there is a solution. Accuair FTW!!

I've thought about bagging my m6 just for shits n giggles but I think the system is pretty pricey.

Brian

[supremepower]

Originally Posted by bigbrian

Ahh now there is a solution. Accuair FTW!!

I've thought about bagging my m6 just for shits n giggles but I think the system is pretty pricey.

Brian

It is pretty expensive... $4,000 for a 2015 IS

[chask]

Originally Posted by supremepower

It is pretty expensive... $4,000 for a 2015 IS

$4000!! For that much I'd get out, put down some ramps to drive up and put them back after I am in the drive. Then again, if it would also lower the car once I am out on the road . . .

I have a rather funny angle where the slope of my drive's apron hits the street. I guess I am going to have to do some measuring myself before I get the front spoiler. Unfortunately pouring the drive again with a different slope is not an option for me - the street is part of the problem, and the city will go ape if I try to "fix" that.

My big problem is with the high winds we often get around here I really could use an effective front spoiler or lip.

And I haven't even looked at the back of the car yet. I guess tomorrow I'm going to have to do a little checking.

[chask]

Wow. C5driver. I apologize. I got so excited thinking about my problem that I forgot about what you are going through with yours. I could not tell from the pic as it shows on my PC but I sure hope you did not find out about the clearance issue the hard way - no or minimal damage.

[JimM6GC]

Originally Posted by bigbrian

Look on the bright side... It's time for a new driveway!
Brian

Or at least modify the offending section.

Our driveway was designed to accommodate a split-level garage, so it had an inclined section to it as shown below. There is no problem with regular cars and trucks. Unfortunately, I couldn't even think of driving our '06 Z06 up that driveway, and our '06 CLS55 developed a "bald spot" where the paint was scraped away from the bottom of the front valance panel over the years. I can drive our current (stock) M6GC up the driveway, but I have to back the car down to prevent severe scraping.

I've had it, so this past week I began the mods on the driveway. Fortunately, I have the equipment (that's my Bobcat in the photos) and skillset to pull it off for about the same price as a set of those Accuair units, so I may as well go for it.

Work still in progress. The last picture wad taken today.

BTW, I'm not a member of the construction trades. I started doing this kind of stuff a little over ten years ago to add balance to my life. I have a restless mind (and body) ...

[C5driver]

Originally Posted by JimM6GC

BTW, I'm not a member of the construction trades. I started doing this kind of stuff a little over ten years ago to add balance to my life. I have a restless mind (and body) ...

Ok...now you're just showing off

Post more pics of the project as it progresses.

[JimM6GC]

Originally Posted by C5driver

Ok...now you're just showing off

Post more pics of the project as it progresses.

Will do.

The worst part of this project (ego-wise) is I designed and built the driveway to begin with, including placing and finishing the concrete. So I'm basically tearing up my own prior work.

[mjr24]

You had to do something.....way too expensive of cars to be beating up like that. Luckily, they have gotten better on the M's of designing the fronts to scrape further back where you can't see it (my E64 M6 was pretty good in that regard, too....but not as good as my M6 now).

[JimM6GC]

The first pic shows placement of the final layer of gravel to fill in the concavity. The second pic shows the gravel after compaction and shows what I mean about the split-level garage. When completed, there will be a triangular concrete "wall" on that side to accommodate the new angle of the replacement section of the driveway. I was hoping to avoid such walls when I originally built the driveway, but priorities have changed.

The lower garage has my vehicle lifts (a four-post lift and a two-post lift). Access to the lower garage is on the other side of the building (we have two driveways that service our property). The entire building (a two-story structure) has turned out to be my ultimate man-cave. Our house is a separate building.

[C5driver]

This is easily the most impressive DIY I've read here. The first pic doesn't show the angle (against the steps) as severely as the second one. Hell of a job...

[JimM6GC]

Thanks for the kind words, C5. The original angle got less and less steep the further away from the house you go, but the sports cars still couldn't clear it.

There were many constraints to the original design. For example, I wanted to keep the area in front of the upper garage horizontal enough so that I could unload freight off of delivery trucks and also allow them to turn around using a three-point turn. Otherwise, they would have to back down the road about a quarter mile. Also, just past the edge of the angle is a five foot drop to the road (that's why I placed bricks along the edge of the driveway), so I was limited by that as well. Otherwise, I would have eliminated the angle entirely.

Wait till you see what I do with rebar. I'm sort of notorious at the building department with my construction techniques (in a good way). Admittedly, the pictures somewhat give it away.

[troymi]

That's really an impressive job. And it has to be shake proof obviously! As I see Nor Cal in your signature.