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View Full Version : J-4000: a tale of fire and demolition *Now With Video*


harpua
10-02-2007, 09:16 AM
NOW WITH VIDEO! It is low quality, but it is video all the same. The very end of the derby is coming sometime soon...this much took forever and a day. enjoy!
http://i132.photobucket.com/albums/q16/_harpua_/th_MOV02206.jpg (http://s132.photobucket.com/albums/q16/_harpua_/?action=view&current=MOV02206.flv)


Well how are you FSJers. I am new to your board, but have been lurking for quite some time. I figured some of you may enjoy a story about my Jeep, so here i am to share.

A little more than a year ago i found a 1972 j-4000 that was being given away on our local radio station. When i called on the jeep, there were already others in line for it, so i offered $50 to get in the front of the line, and came out with the truck. She didn't run very well, so i stored it for the winter and as soon as spring came, i jumped into making her run and drive. The fuel lines were shot, and there were some electrical issues that i took care of. I am into demolition derby, so to take care of the fuel issues, i just put in my demo derby gas tank and lines...did most of the electrical like I would for a demo derby car, and went out tromping through the woods. That little truck did great all spring and summer, keeping up with anything i could throw at it. Eventually with all the use i was giving her, the old carb came apart and ended up lighting the top of the motor on fire. With the help of some snow and dirt, i was able to save the truck from major damage. She sat for a month or so before i got motivated enough to get her running again....motivation came in the form of a truck demo derby.

Now before you start freaking out you have to understand that i had basically nothing invested in this truck, and i didn't want to deal with the hassle of getting a title for it. (previous owner lost the title and didn't want to help getting a new one...i would have had to file for a title like the junkyard does...too much headache)

So with a new carb, and all new rubber and wire under the hood, the little jeep was alive and running better than ever. I took her up to the spot where she had started on fire...and then 50 feet past that spot just to prove to the truck that it wasn't it's fault. After that little confidence booster, i started cutting and welding, setting the jeep up for the demo derby. It was a very easy build because there is basically nothing on those trucks to begin with. I was required to weld the bed to the cab, and i loved how the truck drove after doing such....it also took away 80% of the squeeks and rattles in the truck. We had to take out the front driveline to make the trucks rear wheel drive only. Also we had to put in a bar in the bed of the truck right against the cab for safety.

The jeep did great in the derby. I took 2nd out of 12 trucks. I ended up breaking my steering wheel off with my bare hands at the end of the derby. I had a motor mount break which allowed my whole drivetrain to move back and to the left (drivers side), pulling my homemade shifter through the floor, and pulling my ground battery cable off of the battery. The passenger side framerail looked more like a snake than frame at the end of the derby. Also, the front leaf mount on the passenger side ended up turned 90 degrees with the leaf still attached, and unbroken. The steering box took a few strong hits, but it held in place...the front frame crossmember (right behind the bumper) bent around the steering box. I was really worried about how far forward the steering box was to begin with, but she held up.

Well if you guys don't crusify me, feel free to ask questions and such. Here are some random pics of the jeep, and even a little video clip of a FSJ handing out some punishment.

http://i132.photobucket.com/albums/q16/_harpua_/truckderby3.jpg

http://i132.photobucket.com/albums/q16/_harpua_/truckderby4.jpg

http://i132.photobucket.com/albums/q16/_harpua_/DSC02155.jpg

http://i132.photobucket.com/albums/q16/_harpua_/DSC02154.jpg

http://i132.photobucket.com/albums/q16/_harpua_/DSC02176.jpg

http://i132.photobucket.com/albums/q16/_harpua_/DSC02178.jpg

http://i132.photobucket.com/albums/q16/_harpua_/DSC02180.jpg

http://i132.photobucket.com/albums/q16/_harpua_/truckderby1.jpg

http://i132.photobucket.com/albums/q16/_harpua_/th_derby060.jpg (http://s132.photobucket.com/albums/q16/_harpua_/?action=view&current=derby060.flv)
http://s132.photobucket.com/albums/q16/_harpua_/?action=view&current=derby060.flv

Gambler68
10-02-2007, 09:20 AM
:thumbsup:

TealJ
10-02-2007, 09:21 AM
:eek:
I think you are going to get hung for this one you better :hide:

Ralph Rogers
10-02-2007, 09:24 AM
Hey, maybe that's what I can do with my old '71 Wag instead of sending to the crusher:D

Ralph

harpua
10-02-2007, 09:31 AM
TealJ...I ain't scared ;)

Ralph...It is one thing for me to kill a jeep...it is a completly different thing for me to give you crazy people ideas. You are going to get me in trouble. But i say go for it...or give the waggy to me and i'll take care of it.

Gambler68
10-02-2007, 09:41 AM
yeah I think instead of scrappin/partin em, we should have an annual FSJ Demo Derby instead, and people can pick up the parts for free afterwards on the ground :D

fulsizjeep
10-02-2007, 10:33 AM
First, welcome. You obviously understand the madness and I think what you did was cool as all gitout. Sorry to see the ole warrior took the flames, but you probably helped it check out with honor. :thumbsup: RIP

TealJ
10-02-2007, 10:40 AM
Aint got any parts left from that truck?

FSJ Guy
10-02-2007, 10:43 AM
yeah I think instead of scrappin/partin em, we should have an annual FSJ Demo Derby instead, and people can pick up the parts for free afterwards on the ground :D

LOL!!!! That's a GREAT IDEA!!!

My only complaint about the video is that it's TOO SHORT!! I wanna see the whole thing! :D

harpua
10-02-2007, 02:46 PM
fulsizjeep...Thanks for the welcome. Yea, i understand the madness. I have always had the jeep bug, but it didn't take hold strong until i got this truck. There is nothing better than a stock rig that can do just about anything you tell it to.

TealJ...I kept the drivetrain...and the steering wheel since it was already off. Also i have the rear window and most of the emblems if you know anyone that wants them for free. I still have access to the truck, but all that is left is the axles.

FSJ Guy...I have the full video, but it is on VHS. I need to get it digitized so i can show it off. I was also wearing a helmet cam, and am waiting for it to be sent to me. That 360 was running like a mad animal after i put on the new carb, and the video shows alot of great hits. I will have more footage soon enough for you guys and gals to enjoy. Not your typical offroad vid, but it rocks all the same.

mrtazwrench
10-02-2007, 07:02 PM
Being from a salt state I don't care for it, there was a lot of sheetmetal on that that could have been used to replace salt dammaged trucks.:eek:

harpua
10-03-2007, 10:44 AM
This truck came out of a salt state as well...Utah. There was tons and tons of rust in that truck...and lots of bondo. Ever try to weld bondo? it doesn't work very well. In fact, if you watch that video close, you can see a puff of dust shoot into the air out of the bed of my truck...that is rust dust. The bottom of the bed peeled back like a sardine can with lots of force, shooting dust into the air. Trust me, if that was a rust free straight truck, i would have gone through the effort of getting the title.

TealJ
10-03-2007, 10:55 AM
Sent you a Pm on the emblems i will take them

harpua
10-03-2007, 11:35 AM
Reply sent...pics should be in your inbox

PlumCrazy
10-04-2007, 06:44 AM
This was a biggggggggggggg mistake (opening the link anyway) cause now the missus has ideas that me and Terra don't like :eek:

Wayne S

The PIG Smith
10-04-2007, 07:35 AM
The Jeep gods will NOT be happy about this!
A bolt of lightning will strike when you least expect it!

tkiller13
10-04-2007, 02:49 PM
harpua you on ddda?

harpua
10-04-2007, 03:38 PM
tkiller13...Yes sir i am. Havn't posted over there much...just rule clarification and such. I think my nick is harpua_79 on that board. Are you into the demo derby world?

dusty
10-04-2007, 05:43 PM
you could have saved that straight razor grille and sold it for a nice nickle

tkiller13
10-04-2007, 06:17 PM
tkiller13...Yes sir i am. Havn't posted over there much...just rule clarification and such. I think my nick is harpua_79 on that board. Are you into the demo derby world?


yep.:thumbsup:

harpua
10-04-2007, 06:43 PM
tkiller13...got any links to pics of your derby fun? Nice to see a fellow derby nut in the crowd.

mattmopar440
10-05-2007, 03:06 PM
i would rather see it in a demo then in the junkyard crasher

hay all you XJ boys will get a kick out of this one http://www.youtube.com/watch?v=gGFASxRPM10&mode=related&search=

kazeevil
10-05-2007, 04:17 PM
Nice to see other people interested in two of my same hobbys....Jeeps....Derbys


http://a86.ac-images.myspacecdn.com/images01/9/l_4756c9a0f688c393cb0378ba3ec13cfd.jpg

http://a605.ac-images.myspacecdn.com/images01/84/l_cdf52bb4fdaab2d98952053062374cec.jpg

http://a163.ac-images.myspacecdn.com/images01/26/l_9f13f08baeb3d6e716c261eed27438da.jpg

1977cherokeechief
10-05-2007, 04:31 PM
i would rather see it in a demo then in the junkyard crasher

hay all you XJ boys will get a kick out of this one http://www.youtube.com/watch?v=gGFASxRPM10&mode=related&search=


that was great (the link). one qeustion... how did they set that bead?



X2 on the derby, i would rather see it in a car crusher...

now my bronco that a nother story... its goin to the crusher...

kazeevil
10-10-2007, 04:32 PM
Filled the tire with lighter fluid and lit it. It will blow up and seal the bead everytime.

1977cherokeechief
10-10-2007, 05:26 PM
Filled the tire with lighter fluid and lit it. It will blow up and seal the bead everytime.

never heard of that, ive always just adjusted the tire while i had the air compressor hooked up...

see i dont have to go to school to learn things...

harpua
10-30-2007, 08:09 AM
I just put a video in the first post. enjoy

JeepBountyHunter
10-30-2007, 08:24 AM
ARRRGH...wasn't that a good tailgate at least?

harpua
10-30-2007, 08:29 AM
nope...tailgate was very rusty....couldn't even get a decent weld accross the bottom of it.

fulsizjeep
10-31-2007, 11:55 AM
The video makes it look even more fun! :thumbsup:

Gambler68
10-31-2007, 01:15 PM
video was cool..but...

did you *really* transport the jeep on the gooseneck like that?! that's nuts!