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October 2018
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  #1 (permalink)  
Old 01-11-2018, 04:50 PM
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Default Quick Jack measurment

Can someone check the distance from the back side of their quick jacks to the rubber grommet (front and back)? Thanks
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  #2 (permalink)  
Old 01-11-2018, 08:17 PM
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I don't understand the question. The rubber blocks can be positioned anywhere on the trays. The dimension of the trays is dependent on which model you get, and is shown in the spec.

Hope this helps.
https://www.quickjack.com/quickjack-features.html
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Old 01-12-2018, 01:48 PM
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Hate to bring up the obvious, but I think you two are describing two different things.

The racer's alternative to bumperettes=quickjacks.

A compact way of raising your car high enough to work on it=Quickjack.
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Old 01-12-2018, 02:55 PM
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Very likely the quick-jacks were positioned so that the transverse bar on the hand-lift just avoided denting the body. That creates the least stress on the mounts and chassis tubes.
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Old 01-13-2018, 04:52 AM
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Quote:
Originally Posted by Dirty Harry View Post
Hate to bring up the obvious, but I think you two are describing two different things.

The racer's alternative to bumperettes=quickjacks.

A compact way of raising your car high enough to work on it=Quickjack.
D’oh!
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Old 01-13-2018, 05:16 AM
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this is not a SPF but an Unique.

I think the tubes that are used as a spacer between the body and jacks are to long.
I don't know that there is a standard length. I have just cut the tube so the jack is closer to the body. Eyeball it

Maybe some of the SPF guys can measure their and post the length.

Dwight
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Old 01-13-2018, 11:48 AM
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Quote:
Originally Posted by Dwight View Post
this is not a SPF but an Unique.

I think the tubes that are used as a spacer between the body and jacks are to long.
I don't know that there is a standard length. I have just cut the tube so the jack is closer to the body. Eyeball it

Maybe some of the SPF guys can measure their and post the length.

Dwight
I am going from bumpers to these and I know the rear is out too far and of course the fronts are currently staggered. The bolt in the sleeve is adjustable from what I can see, just a matter of cutting the sleeves if needed. Based on pics I would say the fronts would be the same distance as the lower bolt on the bumper install, which is about 3.25" from the back to the grommet. Top is also 3.25 right now but with QJ's would be less. So the question is, what is your bottom front bolt measurement and rear?

Incidentally the bumpers are for sale, will post in the FS section once off. I would rate them 9 out of 10.
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Last edited by carguyohio; 01-13-2018 at 11:51 AM..
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Old 01-13-2018, 04:59 PM
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This is a CSX4000 series, the rear brackets. Hmm, the forum won't let me upload the picture of the front. The front distance is about 2.25 inches to the inside of the bracket from the grommet, for the lower bolt. The top bolts are closer due to the curve of the body.
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Last edited by sd427; 01-13-2018 at 05:03 PM..
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Old 01-15-2018, 06:53 AM
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You would want the backside of the quick-jack to be perpendicular to the ground and you would need to visualize a round bar inserted into slots between the two jacks to set the minimum projection from the bodywork. This bar must adequately clear any body work. As to actual distance from body, minimal with an eye on aesthetically pleasing I would think. But be advised, on the Superformance, the quick-jacks are not functional jacking points. You will crack the fiberglass when they flex if you try to use them to lift car. I really don’t think there is any “correct” distance. The angle they sit at seems to be more visually important.
After replacing the bumpers with the jacks, keep a running list of how many times you mangle your shins with them. I think I am up to 5 times on both legs so far....
Blas
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Last edited by Blas; 01-15-2018 at 06:57 AM..
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