C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Jacking: 35th - Positions Ok?

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Old Mar 20, 2006 | 02:22 PM
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Default Jacking: 35th - Positions Ok?

Lo all,

This is the 1st time I had her off all fours. These jacking positions look ok?

Thanks!
Bill

Front #1...


Front 2...


Rear...

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Old Mar 20, 2006 | 03:27 PM
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Old Mar 20, 2006 | 04:15 PM
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no good...with those jackstands extended and no wheels on the ground thats a widowmaker
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Old Mar 20, 2006 | 04:56 PM
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Recommendations? I gotta get all the way under.

Thanks!
Bill
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Old Mar 20, 2006 | 05:09 PM
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This is how i do it....
Follow this link

http://www.zr1netregistry.com/jackupzr1.htm



Rich
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Old Mar 20, 2006 | 06:41 PM
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That's how I did it! Thanks! It's cool to work on these on the jackstands then? Redrose says it's a widowmaker!

Bill
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Old Mar 20, 2006 | 06:57 PM
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how high up do you need? can you leave at least two wheels on?

take two of those jackstands fully extended and try to stand on top of them--while you're picking yourself up off the floor ask yourself how stable they were

i'm not an alarmist--i've had the horrifying experience of jacking a car up to free a close relative--he was lucky and recovered

Last edited by redrose; Mar 20, 2006 at 07:18 PM.
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Old Mar 20, 2006 | 07:00 PM
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Looks ok to me. I keep the back jacked with the jack-a-vette and floor jack and a smaller floor jack on the front. Just in case.
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Old Mar 20, 2006 | 07:22 PM
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Agree guys...will do.
Thanks!
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Old Mar 20, 2006 | 11:24 PM
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I only put the jackstands directly under the folded edges of metal. That's where god intended.

Set em carefully into the valley of the jackstand top.

You're in the right vicinity though. You can't support it at the outer lip without damaging the rocker panel.



When I take the tires off I shove em under the rocker panels.

Would rather mar the wheels if a jackstand failed than mar my ribs an internal organs.
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Old Mar 20, 2006 | 11:28 PM
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There are more stable jackstands, they use a round post that slides out, and a pin that holds it in place. These types of stands are inherently unstable because they're only held up on one side of the rectangle.

Yet I have 6 of em.

My jack leaks too.



Ever see how the guys in Nascar do it? They hardly ever use jackstands. Surprised I haven't seen one crushed yet, they drop the cars by accident all the time.
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Old Mar 21, 2006 | 09:24 AM
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I prefer the folded edges of metal also.
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Old Mar 21, 2006 | 11:01 PM
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This is how I have my vette on jack stands. These are 6000lb stands. Last year I had 2000lb stands when I pulled my tranny. I had no problems. Sitting on these new stands it's rock solid.



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Old Mar 22, 2006 | 03:41 AM
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You should be fine with where you have them, it's where I always put mine. Had my vette on stands for the better part of two months last year, rock solid stable and I was putting a lot of torque into some of the bolts in the exhaust. If it was going to move, it would have.
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Old Mar 22, 2006 | 03:51 AM
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The 6000 lb stands allow me to get the car high enough to pull the trans out while on the trans jack. With smaller jackstands, you need to use the tumble and drag technique.
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Old Mar 22, 2006 | 07:39 AM
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Just add a floor jack to it when your under it Looks safe to me.
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Old Mar 22, 2006 | 07:57 AM
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A floor jack uses simple rubber O-Rings to hold hydraulic pressure, the jackstands are steel. Use the jack to lift and the stands to hold.
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Old Mar 23, 2006 | 08:40 PM
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That's what I'm a doing!

Thanks Guys!
Bill
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