Darth Menace
Enthusiast
Now that I have everyone's attention, I was wondering how to fix this. (the picture makes it look worse then it is, but I still want to straighten it up)
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How to stop my rear hole from sagging (with pics!)
- Thread starter Darth Menace
- Start date
BlackSnake99
Enthusiast
Damn. That's a floppy hole you got there.
Darth Menace
Enthusiast
I guess that`s what happens when two hot rods have been stuck in it for 15 years
speedracervr4
Enthusiast
If you can get a piece of thin sheetmetal behind it you could create a doubler and attach it with rivets.
Darth Menace
Enthusiast
Ya i thought of that but unfortunately the rivets wouuld be showing,...so i was trying to find other options too.
speedracervr4
Enthusiast
I don't know how much room you have, but you could also make "shims" and attach them with an adhesive.
Viper98912
Enthusiast
lol great thread title thank you
Darth Menace
Enthusiast
105 views in a bit over an hour.....need I say more
Darth Menace
Enthusiast
Is there adhesive that takes the high heat?
dave6666
Enthusiast
What hole?
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Darth Menace
Enthusiast
that looks too rich for my blood. Has anyone ever had this problem or is it just me
denniskgb
Enthusiast
denniskgb
Enthusiast
Darth Menace
Enthusiast
hahaha, but seriously are these exhaust holes prone to warping or is it just mineMy hole is not sagging at all, it's a b... h getting old.
denniskgb
Enthusiast
On a more serious note my rear exhaust opening aka hole is fine. So is my friends holes that I have checked. Your hole is definitely isn't right.
Darth Menace
Enthusiast
I dont mind them picking on it, it's when they start to poke their fingers in it
Darth Menace
Enthusiast
shoot...earlier last summer i ran a couple days with no tips....maybe the heat did that. I was thinking of heating it up again and seeing if it would push bank into placeOn a more serious note my rear exhaust opening aka hole is fine. So is my friends holes that I have checked. Your hole is definitely isn't right.
EllowViper
Enthusiast
That does look like a Corvette (OR TWO) had its way with your car.... Speedracer has the best ideas so far as far as a permanent fix goes. Thankfully, my rear grommet still looks like a ******.
dave6666
Enthusiast
I looked up the melting point of generic polyurethane and it's about 230 - 250C. It would be tough to find the exact temp that it would take to reform that but it would be more than ambient and less than the melting point. My suggestion would be to thermoform it back to shape using 2 sturdy metal strips, one on each side clamped with some small locking pliers or some rod hanging beam clamps (industrial hardware), and drive the car to get everything hot. Then when it is cool pull the strips off. You'll never get that back to flat without heating and molding it.
Darth Menace
Enthusiast
Ya, that's what I was thinking of. I want to get this done before the driving season so that's why I asked if there is a common thing to do. I think I will try the heatgun considering it gets that hot too. Wish me luck on not warping paint
thanks for the helpguys
thanks for the helpguys
Fatboy 18
Enthusiast
Question, Do you intend to still use the rear exit exhaust system?
If so you can buy the Autoform 4 blade rear Diffuser, you can order with the hole cut out for the rear exhaust or have it left blank for side exit exhausts.
The diffuser hooks over the rear bumper and is supported by using the same bolt holes that the rear bumper uses.
My rear exit Bellenger system has also caused that hole to crack and the plastic has become brittle due to excessive heat.
If so you can buy the Autoform 4 blade rear Diffuser, you can order with the hole cut out for the rear exhaust or have it left blank for side exit exhausts.
The diffuser hooks over the rear bumper and is supported by using the same bolt holes that the rear bumper uses.
My rear exit Bellenger system has also caused that hole to crack and the plastic has become brittle due to excessive heat.
The photo does not show up for me but when I had my Gen II I made very sure that the exhaust was properly centered within the opening to avoid any heat damage since I was running hi flow cats with a Roe supercharger and the heat was higher than that emitted by a stock vehicle. As for fixing it, Dave is the site guru on many body related fixes/improvements concerning the Gen II. In fact if you do a search, you will find some of his threads which show exceptional creativity and superb workmanship. Even if you do not wish to do any of them, it is very interesting to read them.
What exhaust was in there? Factory or aftermarket?
vancouver-gts
Viper Owner
Make up a rectangle frame from sheet of aluminum 3/16 thickness to conform the shape of the opening, clamp it to the plastic with four or more small clampss in the opening. Use a heat gun on the backside only! The aluminum dissipates heat quickly avoiding the paint getting damaged from the heat. Use a rag soaked in cold water cooling the plastic while you working at it. I did quite few plastic bumper repairs like that without damaging the exterior/paint of the bumper.Other solution I'd do is making a nice polished s/s frame on the outside with a frame in back, sandwiching the plastic.
Darth Menace
Enthusiast
tinypic.com seems like it's down. try this
[IMG=http://img842.imageshack.us/img842/4875/20130124164525.jpg][/IMG]
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Darth Menace
Enthusiast
they were factory until this last summer when i went with straight-pipes there. Magnaflow is in there now, but that hole was messed before the magnaflows
Darth Menace
Enthusiast
on the inside as support, or the outside?
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