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What's involved when a car goes on a "jig"?

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Old 18-12-2005, 11:30 PM
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RichardPON
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Default What's involved when a car goes on a "jig"?

You always hear about car's being "jigged" or being put on a "jig" after an accident.

Can anyone explain exactly what this means/entails?
Old 18-12-2005, 11:32 PM
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Alps Pacino
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I think they drill holes in the bent bit then attach the machine to the holes then fire the machine up to straighten it. Hydrolics i presume
Old 18-12-2005, 11:33 PM
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Cam
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the bodyshell is fixed to the jig (fitted with correct brackets for the shell) then hydraulic rams are used to pull the damaged shell straight.
Old 18-12-2005, 11:34 PM
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RichardPON
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Right.............

Car and chain it is then
Old 18-12-2005, 11:36 PM
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Cam
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Originally Posted by RichardPON
Right.............

Car and chain it is then
fookin cheapskate
Old 18-12-2005, 11:37 PM
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david
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Rich I use a ten ton porta power and the nearest solid objects that wont move for these situations, just mind and chock the wheels though
Old 18-12-2005, 11:39 PM
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RichardPON
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It depends how much the car has to be stripped down to be honest, as to whether it's worth the hassle.

The accident has knocked the front of one of the most forward chassis rails in towards the centre about an inch, but I need to move it back, and I can't see a hammer doing much good!

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By the way Cam, just had a drive of Porkie's skyline - oh good lord, I want one!
Old 18-12-2005, 11:41 PM
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david
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That will come out no problem, plate it up though to get some strength back in if you can.

edited as my spelling is so shti
Old 18-12-2005, 11:43 PM
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RichardPON
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Plate it up?

You've got to be kidding - I couldn't weld if my life depended on it!
Old 18-12-2005, 11:44 PM
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Cam
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Originally Posted by RichardPON
It depends how much the car has to be stripped down to be honest, as to whether it's worth the hassle.

The accident has knocked the front of one of the most forward chassis rails in towards the centre about an inch, but I need to move it back, and I can't see a hammer doing much good!



By the way Cam, just had a drive of Porkie's skyline - oh good lord, I want one!
Hehe its funny how many people get converted after driving one.
If you hired a dozer (its big L frame with a hydraulic ram) that damage could be sorted with minimal stripping imo.
Old 18-12-2005, 11:45 PM
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RichardPON
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Well the crossmember unbolts easy enough, which I've done, but I'm tempted just to give it to a bodyshop and let them sort it.
Old 18-12-2005, 11:49 PM
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david
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Originally Posted by RichardPON
Plate it up?

You've got to be kidding - I couldn't weld if my life depended on it!
Get someone to then
Old 18-12-2005, 11:49 PM
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Cam
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Originally Posted by RichardPON
Well the crossmember unbolts easy enough, which I've done, but I'm tempted just to give it to a bodyshop and let them sort it.
I cant see that repair costing a fortune and its best to leave it to a pro.
Old 18-12-2005, 11:54 PM
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philc
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car, chain & lampost mate, then sell the motor

In all truth i cant see it being a fortune as cam mentioned, i still would get a few quotes though. Unless you know a trusted bodyshop.
Old 19-12-2005, 01:15 AM
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andyhardy
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A mate of mine worked on a farm, I've seen plenty GTE's and GSi's straightened by a fat ass John Deere and a large tree!

Seriously though - leave it to an expert, you'll only cry from the ribbing on here if you did it yourself and fucked it up!

Andy
Old 19-12-2005, 01:38 AM
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seeing as you acutally like to enjoy the handling of your car, get it on a jig where it can be got back into shape perfectly, you could get it very close with a porta power no doubt, but you just wont be able to measure exactly where it should be.

Only going to be a couple of hundred quid probably.

Ive had far worse damage than that jigged after learning that i cant left foot break as well as i beleived i could
Old 19-12-2005, 08:06 AM
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I have jigged many cars in my time in the bodyshop trade

It isnt as expensive as you may think

You will be quoted about 1 hours labour to load the car onto the jig and 1 hour to take it off again ,
If the car cant be pulled back in about 8 hours worth of jig time then its usually not worth the repair anyway , so you probs will be looking at about Ł200 as a rough guide , as that looks a simple repair .

People worry about cars that have been JIGGED but if done correctly there is nothing to worry about as they are pulled back to within 1mm of what it was when new ,,,and you will find there is a 3mm tollerance in any brand new shell anyway so in fact it is within 2mm better than new

Paul
Old 19-12-2005, 09:02 AM
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RichardPON
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Paul,

That's the sort of thing I like to hear.

Also helps that what's been bent is just structural for the front of the car, and is only the most forward part of the front chassis rail......... and it's out about an inch or so.

Chip - shouldn't see that the handling is affected in any way, since the speed of the impact wasn't sufficient to push any damage back beyond the very front of the vehicle. All looks very straight underneath otherwise.

Having never had a car "jigged" before, is this something most bodyshops can do?
Old 19-12-2005, 10:23 AM
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No not every body shop will have the room for a Jig..

I have a guy next to me who does just this all day long and does not charge much money at all! Might be worth givin him a call.

Old 19-12-2005, 11:39 AM
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jacko
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i have a jig at work quite a simple thing to use realy that damage is verry minnor and would be an easy repair
Old 19-12-2005, 01:21 PM
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RichardPON
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Cool, this is what I like to hear.

Always fear the worst when you start seeing twisted metal!
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