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#1 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,717
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Re: Jacking safely for flat tire change
The GM screw jacks are awesome. They are slow but they are just for flat changes not vehicle maintenance. I think I have one on the utility box of 2 or 3 trailers because they work great for that as well.
On the later model 2x4 Jack, it has a "hook" that comes off the top plate of the Jack. This effectively lowers the point at which it can attach to the truck. This hook goes underneath the control arm on the front which can lift almost from ground level even where the Jack won't fit. The top of the Jack can be used in the rear on either the axle tube or the frame. It can also be used on the frame in the front.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#2 |
Registered User
Join Date: Jul 2016
Location: Olathe, KS
Posts: 267
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Re: Jacking safely for flat tire change
Wearing 33's is in reference to the tire size. In this case a 285/75-16 is equivalent to a 33 x 12.00 x 16 tire. The 33 is the outside diameter of a tire. The 12.00" is the width of the tread of the tire. 16" is the rim diameter. Yours appears to have a 15" rim, per your description.
Maybe the best way for you to change a tire is: 1-800-222-4357
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1970 GMC K2500 Dis-use is harder on a car than mis-use. |
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#3 |
Registered User
Join Date: Jun 2013
Location: West Virginia
Posts: 6,421
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Re: Jacking safely for flat tire change
Excellent thread!
I try to be prepared for all eventualities and this is one I'll have to face at some point. I was planning on carrying a 2 & 1/2 ton floor jack (the hydraulic ones on wheels) in a bed tool box I'll make out of wood but in the mean time, I'll figure out how to use the jack that came with the truck. *Welding skills/metal fabrication skills are extremely useful, as you can see from this thread how one could easily modify a bottle jack to work well for them. My dad taught me to always cushion a jack with a block of wood and I've always done that. I will try to do the same with jacking my truck although this "hook" show in pics above for grabbing the control arms would not require such a cushion. My Craftsman 2 & 1/2 ton (or is it 2 & 1/4 ton?) jack will lift my truck's front or rear end easily enough but I did bend the jacking handle once doing it, so it must be maxing out. Last edited by In The Ten Ring; 08-16-2016 at 10:59 AM. |
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#4 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,049
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Re: Jacking safely for flat tire change
Can't you just drive over the chains and then install them, thus not having a need to jack up in the snow?
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71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#5 | |
Registered User
Join Date: Jun 2013
Location: West Virginia
Posts: 6,421
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Re: Jacking safely for flat tire change
Quote:
![]() Last edited by In The Ten Ring; 08-16-2016 at 04:39 PM. |
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#6 |
Senior Member
![]() Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,683
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Re: Jacking safely for flat tire change
Excellent info, thanks very much. I know what to get and how to be safe.
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#7 |
Senior Member
![]() Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,683
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Re: Jacking safely for flat tire change
OK guys, I bought a later model Chevy jack with control arm hook and a long folding handle. I bought brackets to store it on the front fender in the engine compartment. I thought I may like that better than behind the seat. If it works out well, then I will use the area behind the seat for something else. I am thinking of putting the bracket that holds the folding handle on the driver's side fender, and put the bracket that holds the jack on the passenger side fender. Do you guys have any recommendations regarding placement, or does this seem fine and I should just drill holes and put on a bolt through the fender at any convenient point that works? This is on my 1969 CST/10.
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#8 | |
Post Whore
![]() Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,097
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Re: Jacking safely for flat tire change
Quote:
When I have had a flat I have been perfectly happy to waste the tire in order to find a safe, flat place to change the tire. I have had to dismount tires with Fix A Flat in them and hate having to deal with the mess, but I would use it in a heart beat instead of cheating death trying to change a tire in a bad place.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. ![]() RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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#9 |
Registered User
Join Date: Jun 2013
Location: West Virginia
Posts: 6,421
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Re: Jacking safely for flat tire change
That's one way to use up all that space on the front inner fenders! *I would never have thought about storing anything there.
I am planning to build a cross-bed tool box and carry an extra hydraulic floor jack. The wider base should be safer than the pedestal models although I still have the original jack (dad said he used it one time, helping another guy). I'll carry wood blocks too if needed. In winter I carry the same sort of hydraulic jack in my car as it's the best way I have found to put tire chains on. With that jack, I can do both wheels in under 15 minutes. Another benefit is the long base allows much more stability. Here is the sort of jack I am talking about. http://www.northerntool.com/shop/too...5429_200345429 |
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