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The proper lifting points on the new C8 look quite wide apart. Can someone measure the distance between them front to back? My Quickjack 5000 has a maximum spacing of just under 60".
Last edited by AzDave47; May 30, 2020 at 10:45 AM.
^^^
Intestesing question. Since I don't have my C8 yet, and no one replied in 7 hours, thought I try to help with this measurement of a pic:
Now using a picture for measurement is hazardous as they will distort the dimensions. However using the published car length and the same pic should minimize errors. As noted, the center pad distance came out to be 59 inches. But assuming you use the recommended 2 1/2 inch max diameter jack pads, add 2.5 inches to the outermost edge of the pads for 61.5 inches.
Looks like the large standard Quick Jack (Part # BL-5000SLX; 5000 lb $1400) lift area is 60 inches and the smallest is too short at 50.5. And since the collapsed starting length is 70 inches with frame, wonder if and end will be too close to a wheel to lift at that pad end! Since it's close need a real measurement from a forum member and comments from someone with a Quick Jack and C8 would be best!
Model Number BL-5000EXT (also 5000 lbs and about $1500) has a lift area of 66 inches and a collapsed length of 75 inches. Again wonder about the collapse length hitting a tire when you're placing in position before lifting.
The frame extension kit adds 6 inches. It looks like they add 1.5" to the height which should still fit under the car. You should double check that before ordering.
Frankly for my needs a two jack approach and the use of stanchions when needed will work for me. Rather than remove the center aero panels to place jack stands on a frame member, I'll put one under the "A" frame for security and keep some tension of the jack. I plan on charging brake pads to low dust as soon as I get the C8 home. Will jack one wheel at a time and use a jack stand under the lower "A" frame approach.
As I do with my Grand Sport will use my wood stanchions when needing both ends raised. But unlike needing that when changing oil on the C7, the C8 can be lifted from the rear and no need to have it level.
JerryU: Now using a picture for measurement is hazardous as they will distort the dimensions. However using the published car length and the same pic should minimize errors. As noted, the center pad distance came out to be 59 inches. But assuming you use the recommended 2 1/2 inch max diameter jack pads, add 2.5 inches to the outermost edge of the pads for 61.5 inches.
Thanks much. I agree it looks like it will be right on the edge, may be OK if it clears the tires which I think it will. I could also notch a couple of the rubber blocks of the Quickjack to just overhang that last inch on each end. The oval slots on the chassis also mean one could make sure when the jacking pucks were inserted, that they were pushed as much toward the middle of the wheelbase as possible. The QuickJack is so steady I'd be OK with having most of the jacking puck on the rubber block.
I was also thinking as an alternative one could put the QuickJacks under the car crosswise (side to side) so one jacks up the front and the other jacks up the back. Scaling off the picture there should be plenty of length for that. Since everything in the middle of the chassis is flat and sealed, no need to use my roller to check the exhaust, torque tube and other stuff that's in the middle of my C6Z.
Maybe someone can do the actual measurements with the jacking pucks in place.
Last edited by AzDave47; May 30, 2020 at 08:10 PM.
I would not put a c8 on one of those drive on lifts. Too low
With the QuickJacks, you don't drive on them, you wheel each section next to each side of the car and slide them under the rocker panel area, then raise the jack onto the jacking pucks. They raise hydraulically with an AC electric powered pump and have metal braces that lock into place so you don't need hydraulic pressure once the locks are in place. Long term you could just disconnect the quick disconnect hydraulic hoses and store them away. Once done, you just raise it about an inch and a cam drops into place and slides over the locking brace.
I know I can use a floor jack and jack stands (what I use at the track), but the QuickJack is easy to use at home..
I was also thinking as an alternative one could put the QuickJacks under the car crosswise (side to side) so one jacks up the front and the other jacks up the back. Scaling off the picture there should be plenty of length for that. Since everything in the middle of the chassis is flat and sealed, no need to use my roller to check the exhaust, torque tube and other stuff that's in the middle of my C6Z..
Intestesing thought! Yep it is somewhat shorter distance. Could get 2 inch high jack pads and for sure would clear IF there were any issues.
My Katech jack pads at 2 1/2 inch diameter and 2 inches high!
My QuickJack came with 2" high and 3" high rubber spacer blocks that fit between the QJ metal floor and my normal aluminum jacking pucks, so no need for taller pucks. I use the taller spacers on my Subaru.
I used mine under my Mustang when I had it and it had a shorter wheelbase than the C8. It's barely shorter, like 1/10 of an inch, but it fit between the tires easily with plenty of room to spare.
Bump. Can any C8 owner measure the distance from the outside edges of the jacking pucks in the oval holes for me? Fit for my QJ5000, close fit from picture measurements.
Bump. Can any C8 owner measure the distance from the outside edges of the jacking pucks in the oval holes for me? Fit for my QJ5000, close fit from picture measurements.
Also wondering what the measurement is...my C7 fits fine, but a C8 is in the future.
For what it's worth, my QuickJack cannot raise my C7 Z06 if I use the biggest rubber spacers. It needs to come up just a couple inches before it reaches the point where it can raise the car. No big deal, reduces max lift by an inch maybe.
Currently I'm able to lift the complete front or rear end of my C4 by locating a floor jack in the center of the front or rear. I'm guessing this won't be possible with the C8 because: 1) I don't know of any good central lift points and 2) even if there are, belly pans would have to be removed to access them and how would you get those off while the car is still on the ground. Am I missing something here or is that just not going to be possible?
Currently I'm able to lift the complete front or rear end of my C4 by locating a floor jack in the center of the front or rear. I'm guessing this won't be possible with the C8 because: 1) I don't know of any good central lift points and 2) even if there are, belly pans would have to be removed to access them and how would you get those off while the car is still on the ground. Am I missing something here or is that just not going to be possible?
What work would you do that a QJ wouldn't allow? It raises the car allowing wheel removal and there is nothing to work on under the side rails.
C8 lifting points work on QuickJack?
Yep typo in pic, NOT measurement, math or actual distance between jack point change!
