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Discussion Starter #1 (Edited)
Reverse Logic first introduced the combo service/trailer ramps model RLL-80-2 in January, 2013. This Race Ramps model quickly became our most popular service ramp because of several unique and useful features. The cradle top platform helps keep non-drive wheels on the platform when the opposite end of the car is raised with a floor jack. The invertible incline section can be flipped over and used as a trailer ramp. The 6.8 degree initial incline accommodates the approach angle of low ground clearance cars.

Many customers requested that we incorporate the cradle top platform into some of our other ramp models. Making even minor changes to an existing ramp model is problematic. Confusion is likely to result if a manufacturer ships a new model when there are a lot of online photos of the earlier version of the ramp with the same model number. Rather than change the shape of the platform of existing ramp models, I decided to explore building additional ramp models around the RLL-80-2 platforms. The result is a family of ramps with the same 9" high cradle top platform. The entry level ramp in the group is 49" long with a 15 degree constant slope. The intermediate RLL-59-2 ramp is a two-stage incline ramp. The incline section has a 10.8 degree slope which is the same as the popular 56" and 67" Race Ramps service ramps.

Since the three ramp models share the same platform, all the ramps are 14" wide and 9" high. The only difference between the ramps is the slope of the incline section.

The simple yardstick test described in the attachment can help you determine if the RLL-59-2 or RLL-80-2 ramps with 10.8˚ and 6.8˚ initial inclines, respectively, will work with your car. Basically you can slide one end of a yardstick up against the inboard edge of the front (or rear) tire, raise the opposite end until the yardstick touches any part of the car, and then measure the height of the raised end. If this measurement is at least 7.25" then the RLL-59-2 ramp will work. If the raised end of the yardstick is at least 5" above the ground then the RLL-80-2 ramps will work. In order for the 15˚ incline of the RLL-49-2 ramp to work with your car, the raised end of the yardstick must be at least 10" off the ground.

The RLL-49-2 ramps are not going to work with a C5, C6, or C7. But they will work with earlier generations and a lot of other short-nosed cars and SUVs that are on the road. Unlike the other lower priced Race Ramps service ramps (RR-56-2, RR-40, RR-30) the RLL-49-2 ramps are 14" wide and have a reinforced cradle top platform. In other words you don't have to give up all of the benefits offered by the cradle top platform design when you choose the lowest price model in the series.

The price range for the three cradle top ramp models is $300 to $420. After Reverse Logic coupon code discounts and Q1 2015 factory rebates the prices range from $250 to $358.

The incline sections for the RLL-80-2 ramps is available separately for anyone who wants to convert the steeper RLL-49-2 or RLL-59-2 to the more shallow 6.8 degree slope.

Reverse Logic is accepting orders for the new ramp models at this link to our online catalog:

Cradle Top Platform Race Ramps

RLL-49+59+80.jpg

Yardstick_test2_small.png
 

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Discussion Starter #2 (Edited)
Driving up the cradle top ramps without a "spotter"

When working alone without the benefit of a "spotter" to let you know when your tires are in the cradle I like to use a wheel chock in the path of the rear tire as a positive stop. It only takes a an extra minute to position the wheel chock so that the front tire is in the cradle when the rear tire bumps up against the wheel chock.

 

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When working alone without the benefit of a "spotter" to let you know when your tires are in the cradle I like to use a wheel chock in the path of the rear tire as a positive stop. It only takes a an extra minute to position the wheel chock so that the front tire is in the cradle when the rear tire bumps up against the wheel chock.

Fred, we at Stingray Forums (and especially me) *LOVE* your choice of vehicle in the picture/still portion of the video!
 

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When working alone without the benefit of a "spotter" to let you know when your tires are in the cradle I like to use a wheel chock in the path of the rear tire as a positive stop. It only takes a an extra minute to position the wheel chock so that the front tire is in the cradle when the rear tire bumps up against the wheel chock.

Fred looking for set of service ramps, had car lowered
What ramp set up do I need to just drive up and change oil??
Thanks
Andrew
Cell 631-492-7005
My car is a 2015 Z06 (lowered)
 

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Discussion Starter #6
The RLL-80-2 with a 9" high platform is very likely to work with your car. The RLL-72-2 (8" high) and the RLL-87-2 (10" high) have the same 6.8˚ incline angle as the RLL-80-2. So they should work too. The best bet would be to empirically determine the approach angle on your car by using one of the methods described in this link:

http://www.stingrayforums.com/forum/reverse-logic-limited/9651-service-ramp-selection-determiniing-approach-angle-stingray.html

In the unlikely event that 6.8 degrees is too steep for your lowered Z06 I have some Progressive Incline ramps with an even lower approach angle.
Fred looking for set of service ramps, had car lowered
What ramp set up do I need to just drive up and change oil??
Thanks
Andrew
Cell 631-492-7005
My car is a 2015 Z06 (lowered)
 

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Thanks Fred order coming.. What are specs for the more progressive ramps??
In meantime I will do some measuring this morning.
 

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Discussion Starter #8 (Edited)
Progressive Incline is a term I use to describe curved-top ramps with an increasing incline angle. Race Ramps does not have any progressive incline ramps in their catalog since they are too complicated to sell through a two-tier distribution system where resellers really don't understand the products that well.

I sell more progressive incline trailer ramps than service ramps. I recently cut back the service ramp offering to one RLL-99-2 model. This ramp has an initial incline of 3.5˚. The progressive incline trailer ramps I sell start out as low as 2.2˚ which is half the slope of the lowest stock Race Ramps trailer ramp. I explain the value proposition for this type of ramp here: RLL-89-2, RLL-99-2 Progressive Incline Race Ramps

The clearance on a constant slope ramp increases as the car climbs the ramps since the rear tires remain on the ground. The progressive incline design incorporates an increasing incline that converts the (wasted) increased clearance of the constant incline design into increased ramp height. A progressive incline ramps is dramatically shorter than a constant slope ramp with the same initial angle.

Thanks Fred order coming.. What are specs for the more progressive ramps??
In meantime I will do some measuring this morning.
 

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Okay Fred. What is price on lowest progressive ramp with service platform for my 2015 Z06 (lowered) barely 3" clearance
Thanks
Andrew. You can PM me if you want.
Cell 631-492-7005
 

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Discussion Starter #10 (Edited)
The RLL-99-2 service ramps are $460 less 10% Store Wide discount less $20 factory rebate or a net price of $394 including shipping. I would estimate that you would have 1/2" to 1" car-to-ramp clearance along the entire length of the ramp. If you back up on to the 8" high platforms you probably won't have more than 1/2" clearance under the nose of the car.

RLL-99-2 Progressive Incline Ramps

Okay Fred. What is price on lowest progressive ramp with service platform for my 2015 Z06 (lowered) barely 3" clearance
Thanks
Andrew. You can PM me if you want.
Cell 631-492-7005
 

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Order done Fred. Cant wait to get them!! Lets see how fast you can get them to me.
I'm an Amazon prime member (2 day shipping) but you're a Forum vendor and all your help an assistance was greatly appreciated!! Thank you.
I picked up the RRL-99-2 (2- piece) model
Now I can do all my own oil changes!
Thanks
Andrew
 

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The RLL-99-2 service ramps are $460 less 10% Store Wide discount less $20 factory rebate or a net price of $394 including shipping. I would estimate that you would have 1/2" to 1" car-to-ramp clearance along the entire length of the ramp. If you back up on to the 8" high platforms you probably won't have more than 1/2" clearance under the nose of the car.

RLL-99-2 Progressive Incline Ramps
My nose height clearance 2.75" so the 99-2's will work right Fred??
 

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Discussion Starter #14
I attached a diagram of what you ordered.

The RLL-99-2 ramps are 2.0" high at the 23" mark and 2.7" high at the 33" mark. I am assuming that you measured the 2.75" ground clearance on the centerline of the car at the most forward point of the bumper/splitter. Push a yardstick or retractable scale up a against the inboard edge of the tire and let me know what the longest measurement is in the 14" wide tire path. Since the front of the car sweeps back from the center towards the sides of the car I am expecting this measurement to be 32" or less. If that is the case you should not have any problems with the RLL-99 ramps.

The 3-piece version you purchased is fairly easy to transport and store since the longest section is 39".

RLL-99-3.png

My nose height clearance 2.75" so the 99-2's will work right Fred??
 
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