body work and paint
body work and paint
Hey I need to fix the rocker panels of my IROC they are gashed. I also need to fix the drivers door has a dent sort of towards the bottom and goes onto rocker panel how would I fix that? What is the best way to fix the aforementioned things, details if possible like what to buy and how to do it. Also if I were to sand and repaint the car where would I be able to purchase the IROC door effects, or are they removable?
Thanks Everyone
Erik
Thanks Everyone
Erik
Senior Member
iTrader: (1)
Joined: Oct 2008
Posts: 644
Likes: 1
From: Western Washington
Car: 86 T/A
Engine: 5.0 TPI
Transmission: 700R4
Re: body work and paint
What you're asking us to do is almost impossible. If you can post some pics of the damage maybe we can give you some helpful advice. And remember ... while everyone here has the best intentions, not everyone gives the best advice. Following some peoples suggestions can really mess things up.
Re: body work and paint
pics.





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Hood was from a wax job I tried, was stunned when it happened. The paint was fading but not nearly that bad.





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Hood was from a wax job I tried, was stunned when it happened. The paint was fading but not nearly that bad.
Last edited by Hartmann; Jan 6, 2009 at 08:58 PM. Reason: Automerged Doublepost
Senior Member
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Joined: Oct 2008
Posts: 644
Likes: 1
From: Western Washington
Car: 86 T/A
Engine: 5.0 TPI
Transmission: 700R4
Re: body work and paint
Looks like your car has a few issues. The ground effects can be repaired with a plastic repair material available at your local autobody supply store. We use products at the shop from this company http://www.urethanesupply.com/ and they have some good how to info on their site. The bumper could also be repaired with this system. As far as giving you detailed info on how to do this, there are books written on the subject and they do a better, more thorough job of explaining it than I could here. I will say it isn't something you're just going to read a few directions and do. Learning the correct way takes time and practice to get even a moderately good job.
Senior Member
Joined: Sep 2007
Posts: 678
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From: NORTH EAST GA
Car: 84 z28
Engine: 355
Transmission: TH350
Axle/Gears: one wheel peel
Re: body work and paint
or you can cut through the crap cake of buying that high *** plastic repair kit and use fiberglass on it, i think it holds better my self. What your gonna want to do if you choose my method is to take the part(s) off the car so you can get to it (i swear its worth the time) on the back side of where its cracked. take some 80 grit sand paper and rough the back side up real good, then cut your piece of fiber glass mat to the right size to mend the broken area, apply a thin coat of the fiber glass resin to the backside of the area being repaired, then press down your mat, repeat this process until you have 2-4 layers of fiber glass mat stuck on. After that LEAVE IT ALONE for 5 or 6 hours.
Next step is to turn it over and work on the side you are going to see, i usually grind it a little more smooth with a angle grinder then put a little body filler over the area.
now that you have a seemless area that is sanded smooth with no pinholes or wavy spots, get some 2k high build primer and put enough on it that you cant tell that filler is there, and you cant see any sand scratches (if you finish sand with 180 grit you wont have to worry)
next (if you are sure its 100% straight or just dont care, skip this step)
take a can of flat black spray paint and mist it over the entire area you have primered. dont paint it black, just enough paint to know its there. After you have your guide coat ready get a sanding block with 180 grit on it, sand off all your guide coat, if any black spots are left then that is what you call a low spot, it will need to be filled, or you will have what looks like a dent. after you get it to the point that you are satisfied prime it one more time and wet sand it with 400 then with 600 and its ready for paint
Next step is to turn it over and work on the side you are going to see, i usually grind it a little more smooth with a angle grinder then put a little body filler over the area.
now that you have a seemless area that is sanded smooth with no pinholes or wavy spots, get some 2k high build primer and put enough on it that you cant tell that filler is there, and you cant see any sand scratches (if you finish sand with 180 grit you wont have to worry)
next (if you are sure its 100% straight or just dont care, skip this step)
take a can of flat black spray paint and mist it over the entire area you have primered. dont paint it black, just enough paint to know its there. After you have your guide coat ready get a sanding block with 180 grit on it, sand off all your guide coat, if any black spots are left then that is what you call a low spot, it will need to be filled, or you will have what looks like a dent. after you get it to the point that you are satisfied prime it one more time and wet sand it with 400 then with 600 and its ready for paint
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Senior Member
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Joined: Oct 2008
Posts: 644
Likes: 1
From: Western Washington
Car: 86 T/A
Engine: 5.0 TPI
Transmission: 700R4
Re: body work and paint
jay-d has recommended using rigid fiberglass and body filler to repair a flexible plastic part. While each of your cars ground effects pieces and bumper are not made of the exact same material a polyester resin and glass cloth repair on your urethane bumper would not be a good idea.
Re: body work and paint
jay-d has recommended using rigid fiberglass and body filler to repair a flexible plastic part. While each of your cars ground effects pieces and bumper are not made of the exact same material a polyester resin and glass cloth repair on your urethane bumper would not be a good idea.
Senior Member
Joined: Sep 2007
Posts: 678
Likes: 0
From: NORTH EAST GA
Car: 84 z28
Engine: 355
Transmission: TH350
Axle/Gears: one wheel peel
Re: body work and paint
i dont think hartmann wants to spend a boat load of money on stuff to fix a bumper, in reality it is more cost effective to buy a new part than repair the old on using you guys method. Ive fixed alot of bumpers with fiber, and some i see everyday and they give no trouble, and never will. You guys are like the folks that try to push flex agent on bumpers. If you wanted to get technical on this, the best way to fix it is to invest in a plastic welder, ive used the ureathane bumper repair kits before, and they are **** if you want somthing to last, but if you want to spend the money on the crap, take the time to paint it back, and then have a nice crack where it fell out from the back sides, then by all means do so
Senior Member
iTrader: (1)
Joined: Oct 2008
Posts: 644
Likes: 1
From: Western Washington
Car: 86 T/A
Engine: 5.0 TPI
Transmission: 700R4
Re: body work and paint
i dont think hartmann wants to spend a boat load of money on stuff to fix a bumper, in reality it is more cost effective to buy a new part than repair the old on using you guys method. Ive fixed alot of bumpers with fiber, and some i see everyday and they give no trouble, and never will. You guys are like the folks that try to push flex agent on bumpers. If you wanted to get technical on this, the best way to fix it is to invest in a plastic welder, ive used the ureathane bumper repair kits before, and they are **** if you want somthing to last, but if you want to spend the money on the crap, take the time to paint it back, and then have a nice crack where it fell out from the back sides, then by all means do so
Supreme Member
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Joined: Jul 2006
Posts: 1,564
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From: ocklawaha FL.
Car: 81z-28,89gta,91z-28 03 1500
Engine: 355,L98vette tpi,327
Transmission: TH350/700R4/700r4/4l80E
Axle/Gears: 3;73/3;27/2;73/3;73
Re: body work and paint
If you check the link I posted you'll see they sell the plastic welder I use. And they have a lot of good how to info on how to use it. In my opinion the first time the bumper you fix even gets close to a curb or bumped in a parking lot, or even driven fast and subject to the stresses of the wind, your repair will fall apart. It can't help but break loose it's not flexible. We all have our opinions and I'm not going to change yours. And you are correct doing it the first time with materials designed for the job may cost a little more. But probably not as much as doing it twice.
These parts aren't really that flexible that I know of.
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iTrader: (1)
Joined: Oct 2008
Posts: 644
Likes: 1
From: Western Washington
Car: 86 T/A
Engine: 5.0 TPI
Transmission: 700R4
Re: body work and paint
We're talking about 3rd gen bumpers not TPO
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iTrader: (28)
Joined: Jul 2006
Posts: 1,564
Likes: 2
From: ocklawaha FL.
Car: 81z-28,89gta,91z-28 03 1500
Engine: 355,L98vette tpi,327
Transmission: TH350/700R4/700r4/4l80E
Axle/Gears: 3;73/3;27/2;73/3;73
Re: body work and paint
well yeah,this is a third gen site!What did you think I was talking about?
Is TPU not the correct material for a thirdgen bumper?
What is TPO? Perhaps some fiberglass would fix a tpu bumper and not a tpo bumper?
That still doesn't answer my question or perhaps the original posters question.
How can a fiberglass repair simply fall apart when driving or getting close to a curb?
Is TPU not the correct material for a thirdgen bumper?
What is TPO? Perhaps some fiberglass would fix a tpu bumper and not a tpo bumper?
That still doesn't answer my question or perhaps the original posters question.
How can a fiberglass repair simply fall apart when driving or getting close to a curb?
Senior Member
Joined: Sep 2007
Posts: 678
Likes: 0
From: NORTH EAST GA
Car: 84 z28
Engine: 355
Transmission: TH350
Axle/Gears: one wheel peel
Re: body work and paint
look all i know is that if you dont wanna spend $250 bucks on a plastic welder (i have one btw) then fiber glass is your best bet, ive used it alot before i bought my plastic welder, and further more Im an ASE certified auto-collision repair technician and if you wanna do it the right way my friend, the book says go buy a new bumper
Junior Member
Joined: Jan 2009
Posts: 24
Likes: 0
From: Charleston, South Carolina
Car: 89 RS
Engine: 2.8
Transmission: 5 speed manual
Axle/Gears: 7.75" 3.70 gear 9 bolt
Re: body work and paint
How would you recomend repairing a hole in the front bumper at the bottom where it looks like it rubbed against something??
Also where would i find a trim piece i need i have checked junkyards, and i cant even get it at the auto parts store i work at, it is the right rear quarter panel trim piece???
I will try and post pics...
Also where would i find a trim piece i need i have checked junkyards, and i cant even get it at the auto parts store i work at, it is the right rear quarter panel trim piece???
I will try and post pics...
Senior Member
Joined: Sep 2007
Posts: 678
Likes: 0
From: NORTH EAST GA
Car: 84 z28
Engine: 355
Transmission: TH350
Axle/Gears: one wheel peel
Re: body work and paint
sand it down, put a lil fiber glass mat behind it, and put filler in that hole.
The trim piece is the passenger side ground effect, just tell em the one behind the back wheel, hawks sells em i think, if not you may have to scrounge around some junk yards, as most people hang on to the ground effect kits, because everybody wants em
The trim piece is the passenger side ground effect, just tell em the one behind the back wheel, hawks sells em i think, if not you may have to scrounge around some junk yards, as most people hang on to the ground effect kits, because everybody wants em
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