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[Z06] lifting idea...safe?

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Old 10-05-2012, 10:15 AM
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RockyMountain Z
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Default lifting idea...safe?

I have just bought a set of 67" ramps with extenders for the purpose of doing oil changes, when the car is required to be level.
Tried them last night. They work well, but my jack doesn't fit under the mufflers when the car is on the ramps.
I have a sloped concrete driveway that appears to be at the perfect slope. If I back my car into the driveway, set the ramps in front, and then climb the ramps, my car would be very close to level without jacking the rear end. Then chuck the rear wheels.
Has anyone done this?
Does this sound like a safe idea?
Old 10-05-2012, 10:23 AM
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Katech_Zach
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Trying to picture this. It sounds like when you lift the rear wheels there is nothing stopping the car from rolling off the ramps. It does not sound safe to me.
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Old 10-05-2012, 10:43 AM
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RockyMountain Z
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There is enough slope on my driveway that the car would be level without lifting the back at all
Old 10-05-2012, 11:02 AM
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Katech_Zach
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Maybe you should post a picture of the driveway and the ramps placed, but without a car on it.
Old 10-05-2012, 11:11 AM
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RockyMountain Z
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Originally Posted by Katech_Jason
Maybe you should post a picture of the driveway and the ramps placed, but without a car on it.
Good Idea...when I have time
Old 10-05-2012, 11:20 AM
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0Fred@ReverseLogic
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Check out the photo in post #48 of this thread. That's what you seem to be describing. If you want to get a floor jack under the rear of the car on level ground, then consider getting a set of Roll-Ups or Trak-Jax without stops to drive the rear wheels onto while you drive the front of the car up the ramps.

http://forums.corvetteforum.com/c6-c...car-ramps.html
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Old 10-05-2012, 11:43 AM
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RockyMountain Z
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Originally Posted by Fred@ReverseLogic
Check out the photo in post #48 of this thread. That's what you seem to be describing. If you want to get a floor jack under the rear of the car on level ground, then consider getting a set of Roll-Ups or Trak-Jax without stops to drive the rear wheels onto while you drive the front of the car up the ramps.

http://forums.corvetteforum.com/c6-c...car-ramps.html
That is exactly what I want to do...pluss chuck the back tires.
This looks safe to me. Thanks for the reply.
Old 10-05-2012, 12:10 PM
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I have the same ramps and use them in conjunction of the slope of the driveway. Car is level on the ramps. I chock both rear tires and use the e brake. Been changing my oil this way for the last 3 years.
Old 10-06-2012, 01:59 PM
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carpe dm
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Do (will) the ramps slip on the driveway? I had ramps once and could never stop them from slipping when I tried to drive up on them.
Bad news. I am a jack/jackstand guy!
Old 10-06-2012, 03:12 PM
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0Fred@ReverseLogic
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If your ramps slipped on the driveway, then they were not Race Ramps brand ramps. The ramps shown in the photo won't slide around while your car is driving up.

Originally Posted by carpe dm
Do (will) the ramps slip on the driveway? I had ramps once and could never stop them from slipping when I tried to drive up on them.
Bad news. I am a jack/jackstand guy!
Old 10-07-2012, 01:52 PM
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carpe dm
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I'm not sure what brand they were, but I know they were not Race Ramps.
I just know that I was never comfortable with them and was glad to get rid of them.
Old 10-09-2012, 08:44 PM
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IAIA
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Originally Posted by victorf
Of course, these stands are not of the who's who variety, they are built from scraps.
Those look good! Got any advice on materials/design?
Old 10-09-2012, 08:55 PM
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0Fred@ReverseLogic
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Default Race Ramps Wheel Cribs

You can get two pair of Race Ramps 8" Wheel Cribs for $194 including shipping. Use them for five years and when you no longer need them you could probably sell them off for $150. Total cost $44. Lightweight, store them by hanging on a hook from included straps. Anything you make yourself is likely to have very little, if any resale value.
Old 10-10-2012, 07:40 PM
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IAIA
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Originally Posted by victorf
If you are interested, I can post pictures.

HTH!

That would be great! Thanks for taking the time to do this.
Old 10-11-2012, 05:25 PM
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Originally Posted by victorf
Here you go:
Again, thanks.

Without doing calculations on structural strength, how did you REALLY know it would hold up? Or was it so obviously stout that it wasn't even a question in your mind? Seems I'd be a little wary.
Old 10-12-2012, 03:48 PM
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Originally Posted by victorf
Here you go:



Very clever.
Old 10-13-2012, 12:41 AM
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IAIA
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Originally Posted by victorf
Nevermind, went into your statistic and read your ten page previous postings. I already got a pretty good impression on your automotive/structural depth! No need to run numbers, but thanks just the same!
Well, first, I didn't mean what I asked about the structural strength as a challenge or disrespect to your product. It was legitimate curiosity. And sorry if I don't meet the grade to do calcs. I'm not a structural engineer nor that deep of a mechanic. It's actually why I asked if you had run any numbers.

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