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Old 10-06-2017, 03:27 PM
 
1,933 posts, read 1,643,217 times
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One way is to find the right sized ditch and straddle it with your car. If you live in the city, you might try parking over a man
hole. I don't know what kind of trouble you'd get into doing this, though.
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Old 09-14-2018, 08:29 PM
 
1,515 posts, read 1,108,402 times
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Years ago I bought (4) 6 ton jack stands because they go higher than the 3 tons giving me more room to work. I don't work on anything that heavy. With the car on jack stands I usually leave the floor jack under there as extra protection. 2 or 4 jack stands depends on the need of the job. I have a lift now so have no need to get under a car on the ground
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Old 09-14-2018, 09:15 PM
 
Location: Riverside Ca
22,156 posts, read 27,582,022 times
Reputation: 35219
When I worked on n cars on th3 ground it was two jack stands the jack and chock the wheels. E-Brake on if the rear tires were on the ground.

I bought a lift 4 months ago. I will never go back to jack stands.
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Old 09-15-2018, 08:40 AM
 
22,354 posts, read 20,203,764 times
Reputation: 12910
And watch the clip from " Death Wish" with Gary Sinise and Bruce Willis.
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Old 09-16-2018, 02:45 PM
 
1,751 posts, read 2,466,146 times
Reputation: 2460
Get an 8' long treated 6x6 post and cut it into 1 foot or 2 foot sections. These blocks, along with some 2x6 sections can be used as back up support, or direct support and they are more reliable than 4x4's. Don't use a cinder block as they will collapse. I use a combination of jack stands and blocks along with the jack if I need to be under the car. In general, use the jack and 2 back up supports.
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Old 09-17-2018, 07:32 AM
 
13,332 posts, read 15,220,847 times
Reputation: 17910
When I work on my cars.


Front end work:
Chock rear wheels and pull parking brake
two jackstands
Slide tires (if removed) under the body of car near drivers door
Position jack in a spot me near where I crawl under (but don't have weight on the jack)

Rear end work:
Chock front wheels
two jackstands
Slide tires (if removed) under the body of car just ahead of rear axle position.
Position jack in a spot me near where I crawl under (but don't have weight on the jack)

Entire car up
4 jackstands
slide tires under car
Jack in spot to add additional support just in case


I usually try and throw as much crap under the car so that if it were to fall it would land on many items. I always have a spare set of wheels in the garage, so I usually throw two under the car on the end I have up in the air.
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Old 09-17-2018, 07:42 AM
 
2,632 posts, read 3,625,188 times
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Regardless I try to not raise it to high and also spend as little time underneath as possible. For bigger jobs I'll use my neighbors lift. But I have 4 jack stands, and two ramps used just for oil changes on my car because the jack cannot fit underneath. The wife's Liberty sits pretty high so I can do those types of things without raising the car up which saves time and is safe.

When the cars are up, I use the jack stand, rubber chock, parking brake, and keep the jack in place.
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Old 09-17-2018, 09:31 AM
 
Location: Grosse Ile Michigan
29,598 posts, read 71,637,126 times
Reputation: 36873
1 or 2 for me Moet of the time. the only thing I can think of where I might 4 is rotating tires. And then I woudl not be underneath it.

If I had to go under a car on 4, I would have several back up options. Logs, bricks, jacks, more jackstands, or even the wheels. Anything that might give me some chance of surviving if the car fell. I usually do that if the car is on 2 and I have to go under it.
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Old 06-21-2019, 05:10 AM
 
2,857 posts, read 791,024 times
Reputation: 1804
Quote:
Originally Posted by Crashj007 View Post
This old thread popped up as a related post to something else, but it gives such bad advice, I had to pitch in. Never work under a car alone. Never rely on any kind of jack stands. Always use 4x4 timbers to shore up the frame once you have it high enough to work on. Work on a flat concrete surface, never on grass. Never raise it higher that you need to get under and move the parts around.
This comes from years as an EMT working car wrecks and being at home working on cars. We've had two fatalities here in Raleigh in the last year, from guys working under cars.
haha. Maybe never work under a car alone if youre a dumbass.
Sorry but 90% of the time its just me myself and I and the proper tools and equipment.
Fun fact: in the navy I was a plane captain doing maintenance on F-4 phantoms. Think they weigh around 30 tons... we had to change mainmount tire/wheel assemblies alone. At night. Onboard ship sometimes in rough seas. The tires weighed at least 120lbs and had to slide over 11 brake discs that had to be aligned, so you sat down under the wing of the jacked up plane with the wheel on your knees and inched it into place past the discs. While holding the plane in the air with your third free hand.
J/K on the last one, the rest is true.
I honestly cant recall what kind of jack we used to lift it but I think it was a heavy duty hydraulic bottle jack that had a protrusion that lined up with an indented jacking point on the mainmount.

I remembered thinking the job was impossible for one man to do until it was demonstrated to me. But then again you dont question things or say "I cant" in the military. Usually works.
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Old 06-21-2019, 06:39 AM
 
Location: East of Seattle since 1992, originally from SF Bay Area
36,368 posts, read 66,152,660 times
Reputation: 42141
My father always used stacked up blocks of wood as jackstands and a short 4x4 as chocks. The car only fell on him once.
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