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how should i bend my bumper?
Posted 09 November 2003 - 01:27 PM
the two things i've thought of would be a kansas jack (which i do not have access to) and parking under a tree and jacking it up.
any ideas? HELP!! very unsightly, and need to impress girl. at least have it lookin decent w/a grill and a bumper skin. it's already a soobie, the panties will drop:brow:
Posted 09 November 2003 - 05:02 PM
Posted 09 November 2003 - 05:19 PM
Big tree and length of chain work for the in, out, type bends. Up, down bends are a bit trickier to do , but can be done.
Need good jack, and cribbage wood to support frame. Big tree still comes into effect on some bend it up, down, parts.
Posted 09 November 2003 - 06:01 PM
Posted 09 November 2003 - 07:37 PM
To straighten a twisted frame on a mazda glc my dad once stuck a railroad tie under the car, and lifted the tie with the backhoe, then let the car bounce up and down on it. Tracked straight again (but the doors still didn't close right) I don't know if it's a good idea to try though :-)
Posted 09 November 2003 - 07:42 PM
Posted 09 November 2003 - 09:18 PM
My bumper is now bent forward a bit from catching on something while backing up. What do you think about duct-taping a 2x4 to that part of the bumper to spead out the force, then driving into a tree at very low speed?
Posted 09 November 2003 - 09:55 PM
Had a similar problem with my very first car after I hit a deer (well he hit me first) it was a super clean 1969 AMC Rambler.
I tied a chain around a huge tree, wrapped it around the bumper and slowly backed up. It took a few tires and a few hard tugs, but it worked!
It helps to have a spotter to watch the progress.
Be sure to cover the stretched out section of the chain between your car and the tree with a bunch of heavy old rugs. If the chain breaks it will be just like a steel whip and cut right through your windshield (or your head). The rugs will absorb most of the impact if it breaks.
Posted 10 November 2003 - 12:17 PM
hey BlueSoob, i won't tell.
Posted 10 November 2003 - 10:07 PM
still no ideas from you hooligans:banghead:
please read previous post
Posted 10 November 2003 - 10:18 PM
or if you have the nerve to do this, put a block of wood on top of the bumper and go at it with the BFH
Posted 10 November 2003 - 10:37 PM
4"X6" post, long as width of vehicle,
2"X4" blocks 12" or so,
2-ton bottle jack,
Lenght of good quality hardened chain with atleast 1 grab hook on it.
Place 4x6 under bumper,
wrap chain around bumper, furthest point obtainable from bend area, running chain under 4x6,
Place 2x4's on 4x6 until you have proper height for bottle jack to set on them and under bumper, leaving room for one 2x4 ontop of jack, you want the jack to the straight side of the bent bumper, but near the bend
adjust center portion of jack cylinder until it contacts board and bumper,
start pumping jack handle, being WHATCHFULL of how things are happening, especially with the jack,
repeat as needed by lowering the jack, adding 2x4's and shortening the chain hook as needed.
If you pull it to far, reverse the position of jack and chain,
Done this on many a bumper, even ones that were made out of real steel, not this heavy gauge sheet metal stuff of '70 and later cars
Posted 10 November 2003 - 11:58 PM
thanks for your patience.
Posted 11 November 2003 - 12:21 AM
Now, as the jack is pumped up, it applies force to the bumper and the 4x6, and the chain. Something has to give here. Hopefully, ifin you're using a good quality chain, good jack, and a stout piece of 4x6, it will be the metal of the bumper that gives. That is why you need to place a piece of 2x4 on top of the jack also. If not, you would just bend the bumper lip at that point where the jack is pushing on it. I've even used a small piece of 3/8" flat stock between the jack post and the piece of 2x4 at the bumper, on some really nasty bends. It helps spread the forces out.
I have used this method to straighten bent frames on 1/2 and 3/4 ton trucks, so I know it will do a bumper.
Posted 11 November 2003 - 03:46 AM
Posted 11 November 2003 - 01:17 PM
my bumper skin is fine, it's already off. i'm pretty sure that the bumper frame is connected to the uni-body.
thanks anyways i use all the input i can
Posted 11 November 2003 - 05:34 PM
Posted 11 November 2003 - 11:55 PM
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