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Rusty frame rails on 308 replica by firebreather
Started on: 12-24-2017 08:27 AM
Replies: 16 (531 views)
Last post by: 85 SE VIN 9 on 12-31-2017 09:11 PM
firebreather
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Report this Post12-24-2017 08:27 AM Click Here to See the Profile for firebreatherSend a Private Message to firebreatherEdit/Delete MessageReply w/QuoteDirect Link to This Post
Hi. This is my first pot here so a quick hello! I'm in the UK and I got a fiero 308 replica last year which has been off the road for a about 6 years. It already had the bodykit on it, but I've had it resprayed now and done some other bits to it. But now we've found a load of rust behind the bodykit on the rear quarter which I'm guessing is on the frame rails. And also the area around the batter tray is really rusty. Does anyone know much about these kits? Can the back be removed or will the bodykit have to be cut off to get to the rust?

In the photo, mine is the bottom one, the top one is just from google, but I'm guessing the rust is probably pretty similar.

[This message has been edited by firebreather (edited 12-24-2017).]

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Rickady88GT
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Report this Post12-24-2017 09:27 AM Click Here to See the Profile for Rickady88GTSend a Private Message to Rickady88GTEdit/Delete MessageReply w/QuoteDirect Link to This Post
Great looking car.
That kit will come off just like the original body does.
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firebreather
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Report this Post12-24-2017 10:04 AM Click Here to See the Profile for firebreatherSend a Private Message to firebreatherEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks. It does look nice. It's a really pretty car. That's why IO don't want to hack into the bodywork or have to sell it if it's going to cost too much

How does the kit come off at the back then? It looks like its one piece which includes both rear wings, the back panel, the flying buttresses and possibly the roof as well? Does that all come off in one piece? Is any of it going to have been bonded on (like the roof?) I don't mind if there's a bit of painting needed after, but I wouldn't want to have to get the whole lot painted again!



I'm very new to Fieros by the way, I don't really know much about them or how to fix them! I'm not new to Pontiacs though, I've a 3rd gen Trans Am and a 4th gen Firebird as well!

[This message has been edited by firebreather (edited 12-24-2017).]

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bjc 350
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Report this Post12-24-2017 11:48 AM Click Here to See the Profile for bjc 350Send a Private Message to bjc 350Edit/Delete MessageReply w/QuoteDirect Link to This Post
Best thing to do is verify extent of the rust before pulling the body. You can remove the inner plastic wheel well liner and see a lot of what has occurred from there. Also, inside the engine compartment, pull the battery and any carpet and insulation in the immediate area to see what has happened there. If you are lucky, the structural integrity may not be compromised as much as you think. I've had several Fiero's with terrible battery boxes that did not have much damage beyond that. Hopefully you will be lucky. Nice car and good luck on your project.
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IMSA GT
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Report this Post12-24-2017 11:50 AM Click Here to See the Profile for IMSA GTSend a Private Message to IMSA GTEdit/Delete MessageReply w/QuoteDirect Link to This Post
Do you just need to see whether the rust is that bad or have you already looked at the frame rails? If you are just doing an assessment, remove each rear tire and then unscrew and remove or simply bend away the inside wheel well liners since they are flexible plastic.

Edit.....someone above me beat me to the punch

[This message has been edited by IMSA GT (edited 12-24-2017).]

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RCR
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Report this Post12-28-2017 06:36 PM Click Here to See the Profile for RCRSend a Private Message to RCREdit/Delete MessageReply w/QuoteDirect Link to This Post
Your replica looks real nice. A real easy thing to do is pull the carpet back in the trunk area and see if there's a lot of rust. If not, your rails are probably in good shape. Otherwise, as mentioned above, you will need to look above the wheel liners to see if there's damage. Depending on the history of the car, I don't imagine they use a lot of road salt in Britain. That's what kills them here in the rust belt of the US.

As for the back end, it does come off as one piece. They all seem to be mounted a bit different, so you will have to look for all of the fasteners and evidence of adhesive (I haven't heard of one glued together yet).

Bob

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My Build

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olejoedad
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Report this Post12-28-2017 09:05 PM Click Here to See the Profile for olejoedadSend a Private Message to olejoedadEdit/Delete MessageReply w/QuoteDirect Link to This Post
The top of the roof has studs extending down through the metal roof structure. You must remove the headliner to access the nuts. All of the nuts must be removed on the front roof panel and the rear roof panel to be able to take off the body. Edit : The front panel doesn't need to come off, but the rear of it must be elevated to unlock the two pieces. End edit. The stock Fiero panels interlock, the kit body may also. Don't be surprised to find some butyl rubber (gooey black) caulking under the panels. Be very careful when manipulating the roof pieces during the removal process, the front roof panel cracks easily at the A-pillar.

[This message has been edited by olejoedad (edited 12-29-2017).]

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ltlfrari
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Report this Post12-28-2017 11:10 PM Click Here to See the Profile for ltlfrariClick Here to visit ltlfrari's HomePageSend a Private Message to ltlfrariEdit/Delete MessageReply w/QuoteDirect Link to This Post
The upper frame rails are repairable. There's a diagram somewhere on here of the measurements for a length of box section and how to cut/weld to replace them. I did an 88 a few years ago and it was pretty easy.
The hardest part about the battery box section is that it's really thing material so welding it is a pain in the butt but once you have the bodywork panels off it's just a matter of cutting out the rusted out stuff and replacing with good metal.
You don't need to remove the roof to get the rear panel off, just remove the bolts beneath the headliner as described previously and lift the rear of the roof to 'unlock' it from the rear clip. AS stated there may be some black butyl stuff between the panels and the frame that tends to 'stick' things together but just work it and the rear clip will come off.
You don not need to remove the roof section to get the rear clip off, just lift it enough to unlock the two parts.

PS. Nice Car.
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Dave

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[This message has been edited by ltlfrari (edited 12-28-2017).]

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firebreather
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Report this Post12-29-2017 07:39 AM Click Here to See the Profile for firebreatherSend a Private Message to firebreatherEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks guys. I haven't seen the rust yet, but I can tell it's there because I can put my hand up behind the arches and break off chunks of metal! But it's going to be worth taking those inner arches and the wheels off to get a better look anyway.

I was just taking a look at RCR's build posts and it seems like in his kit both rear wings are connected by the back panel, not by the B pillars and roof. I don't know if mine is the same kit or not though.

RCR's:


My kit before paint:




Looking at the edges around the rear lights, it does look like a different kit. But then the guy who painted it also fillered along that area (which suggests there was a join) and the join along the roof as well, so it will probably need to be cut somewhere regardless.

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firebreather
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Report this Post12-29-2017 07:46 AM Click Here to See the Profile for firebreatherSend a Private Message to firebreatherEdit/Delete MessageReply w/QuoteDirect Link to This Post

firebreather

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This is the rust I can see:

Battery tray


Under the right rear wheel (you can put your hand in there and break off bits as well)

[This message has been edited by firebreather (edited 12-29-2017).]

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ltlfrari
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Report this Post12-29-2017 09:13 AM Click Here to See the Profile for ltlfrariClick Here to visit ltlfrari's HomePageSend a Private Message to ltlfrariEdit/Delete MessageReply w/QuoteDirect Link to This Post
This is what the stock rear clip (notchie but GT is similar) looks like off the car:

This images is larger than 153600 bytes. Click to view.

How the roof hooks over the rear clip:

This images is larger than 153600 bytes. Click to view.

Typical upper frame rail rot:

This images is larger than 153600 bytes. Click to view.

Thread on frame rail repair:

https://www.fiero.nl/forum/A...060811-2-068409.html


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Dave

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Report this Post12-29-2017 10:00 AM Click Here to See the Profile for RCRSend a Private Message to RCREdit/Delete MessageReply w/QuoteDirect Link to This Post
What your body guy did makes it look better, but makes it impossible to remove without cutting. The wings attached to the fenders might still be removable as one piece, but not with it attached to the roof section.

Bob
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greasyphil
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Report this Post12-31-2017 02:29 PM Click Here to See the Profile for greasyphilSend a Private Message to greasyphilEdit/Delete MessageReply w/QuoteDirect Link to This Post
Hello Mate, im in the UK and have a black Fiero based 308. i only use it in the summer and take it to local car shows, i would up load some pics but cant figure how to?, mine is not rusty,ive sprayed old engine oil over the metal structure best metal preservative,
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David Hambleton
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Report this Post12-31-2017 04:29 PM Click Here to See the Profile for David HambletonSend a Private Message to David HambletonEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by greasyphil:i would up load some pics but cant figure how to?


Have you tried Pennocks Image Poster? You can click on it at the bottom of your screen.

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Patrick
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Report this Post12-31-2017 04:49 PM Click Here to See the Profile for PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by greasyphil:

i would up load some pics but cant figure how to?


PIP can be used with a Windows PC.

Maximum image width - 1024 pixels. Maximum file size - 300 kb.
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Patrick
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Report this Post12-31-2017 04:53 PM Click Here to See the Profile for PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post

Patrick

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quote
Originally posted by firebreather:

I haven't seen the rust yet, but I can tell it's there because I can put my hand up behind the arches and break off chunks of metal!


Not good.


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85 SE VIN 9
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Report this Post12-31-2017 09:11 PM Click Here to See the Profile for 85 SE VIN 9Send a Private Message to 85 SE VIN 9Edit/Delete MessageReply w/QuoteDirect Link to This Post
A. It's hard to believe anyone would put such a nice straight kit on a decrepit space frame.

B. It's hard to believe it has deteriorated much since then.

If it were my car I would at most buy an inspection camera and/or have a professional rust proof the frame rails and such, barring major problems being discovered.

The battery tray tends to corrode from the battery acid that is overflowed when rain water, etc. gets in due to the battery's original exposed location. It's easy to assume that the space frame rots (or doesn't) uniformly, but obviously that's not the case. I had one radiator support that was fine, the other, only a foot or so away - disintegrated.

It's amazing how much seemingly critical stuff can rot away without causing problems. This might be scary, but the frame rail fix could have it's own dangers. It may be too strong. It might transfer too much force to the passenger compartment if you got hit from behind.

In short, if it were mine I wouldn't tear up the car or tear up myself worrying about it. Looks fine, more than likely is fine.

[This message has been edited by 85 SE VIN 9 (edited 01-01-2018).]

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