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Anyone taken a peak under the hood pin plates


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#1 OFFLINE   VEGASTY

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Posted 16 March 2008 - 07:37 PM

today i noticed a kinda bubble about 1/4" peaking out from under the hood pin plates, i unscrewed it and low and behold each of the 4 screw holes now had bubbling spidering out from each hole, i'm guessing rust growing under the paint from water reaching the un-protected metal where drilled. sorry my camera is busted can someone check theres and see if same issue as me. thanks
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Purchased March 26, 2007 at sticker price
CSM# 07SGT0373
on 5th hood scoop and stripes, not counting original,
painted side mirrors, tint,
SS side window scoops
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#2 OFFLINE   ingram4868

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Posted 16 March 2008 - 07:57 PM

That doesn't sound like a cheap fix.
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#3 OFFLINE   Pastor Passum

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Posted 16 March 2008 - 08:01 PM

today i noticed a kinda bubble about 1/4" peaking out from under the hood pin plates, i unscrewed it and low and behold each of the 4 screw holes now had bubbling spidering out from each hole, i'm guessing rust growing under the paint from water reaching the un-protected metal where drilled. sorry my camera is busted can someone check theres and see if same issue as me. thanks


Haven't heard of that before. I removed my original plates at about 4 months (actually 9 months after production) to replace with the billet plates and no problem at all. Actually it can't be rust as the hood is aluminum. Sounds like a warranty problem to me. Let us know what you find out.

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#4 OFFLINE   VEGASTY

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Posted 16 March 2008 - 08:08 PM

Haven't heard of that before. I removed my original plates at about 4 months (actually 9 months after production) to replace with the billet plates and no problem at all. Actually it can't be rust as the hood is aluminum. Sounds like a warranty problem to me. Let us know what you find out.

Jim


thanks did not know about it being aluminum, will do, i'm dropping by dealer tomorrow to report this as well as check on new fix for riveted scoop.
Black 2007 Shelby-GT Auto, Shaker 1000, Anti Theft, Sirius-
Purchased March 26, 2007 at sticker price
CSM# 07SGT0373
on 5th hood scoop and stripes, not counting original,
painted side mirrors, tint,
SS side window scoops
................................................................................
.....

#5 OFFLINE   JeffIsHereToo

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Posted 16 March 2008 - 08:19 PM

Haven't heard of that before. I removed my original plates at about 4 months (actually 9 months after production) to replace with the billet plates and no problem at all. Actually it can't be rust as the hood is aluminum. Sounds like a warranty problem to me. Let us know what you find out.

Jim


Same there...I replaced both of mine around 3 months and didn't see anything like that and has been pointed out the hood is aluminum but I could see stress doing something like this over time if the aluminum was flexing. You do remove the pins before you open the hood right? :hysterical2:

Edited by JeffIsHereToo, 14 April 2008 - 03:06 AM.

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#6 OFFLINE   shelbytexan

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Posted 16 March 2008 - 10:30 PM

problems-problems-problems,isn't it about time shelby replace the whole hood.about the time we think shelby might have the scoop problem corrected here comes the hood pins. i changed my hood pins also and saw no problem but as jeff said with all the flexing you could have problem. i don't recommend putting your hood pins in tight simply because upward pressure on the hood pins could put pressure on the hood.these aluminum hoods are pretty fragile. the original pins were installed loose and that may be why.

#7 OFFLINE   khogle2

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Posted 17 March 2008 - 03:13 PM

problems-problems-problems,isn't it about time shelby replace the whole hood.about the time we think shelby might have the scoop problem corrected here comes the hood pins. i changed my hood pins also and saw no problem but as jeff said with all the flexing you could have problem. i don't recommend putting your hood pins in tight simply because upward pressure on the hood pins could put pressure on the hood.these aluminum hoods are pretty fragile. the original pins were installed loose and that may be why.



sounds like you are right. they were loose on mine too, i know someone mentioned having to push the hood down to engage the pins, that could be an issue.

#8 ONLINE   ilmor

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Posted 18 March 2008 - 01:52 AM

I'm just not going to look! That way I won't have a problem. Sometimes these forums are only good for providing bad news that we really don't need to know. :hysterical2:

Edited by ilmor, 18 March 2008 - 01:53 AM.

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#9 OFFLINE   SGT2666

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Posted 18 March 2008 - 01:04 PM

I'm just not going to look! That way I won't have a problem. Sometimes these forums are only good for providing bad news that we really don't need to know. :hysterical2:


Well then you REALLY don't want to look at the hood pin holes from the inside of the hood :hysterical2: Some pretty ugly work there.
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#10 OFFLINE   VEGASTY

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Posted 18 March 2008 - 05:11 PM

I'm just not going to look! That way I won't have a problem. Sometimes these forums are only good for providing bad news that we really don't need to know. :hysterical2:


sooner or later you will as only way i new was one of them had grown beyond the diameter of the plate :(
Black 2007 Shelby-GT Auto, Shaker 1000, Anti Theft, Sirius-
Purchased March 26, 2007 at sticker price
CSM# 07SGT0373
on 5th hood scoop and stripes, not counting original,
painted side mirrors, tint,
SS side window scoops
................................................................................
.....

#11 ONLINE   ilmor

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Posted 19 March 2008 - 02:03 AM

sooner or later you will as only way i new was one of them had grown beyond the diameter of the plate :(


I'll call them "character lines" :hysterical:
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#12 OFFLINE   VEGASTY

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Posted 21 March 2008 - 09:24 AM

I'll call them "character lines" :hysterical:


i had pics taken at dealer for warranty, mechanic said its oxidation from moisture getting under paint from where holes were drilled thru hood, i suggest everone pop their plates to check because i cannot see how this would be isolated to me only, i feel all cars will get this. main issue is it grows that's how i noticed as one grew past the plate, bubbling of the paint. get it fixed before your 3 year warranty is up even if you show tiny bit. IT WILL GROW. JMHO
Black 2007 Shelby-GT Auto, Shaker 1000, Anti Theft, Sirius-
Purchased March 26, 2007 at sticker price
CSM# 07SGT0373
on 5th hood scoop and stripes, not counting original,
painted side mirrors, tint,
SS side window scoops
................................................................................
.....

#13 OFFLINE   wnenn

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Posted 21 March 2008 - 02:29 PM

The night I picked up mine from the dealer I swbbed touch up paint on the "raw" edges from underneath. They didn't do it at the factory after drilling the holes through the hood for the hood pins. it is sure to rust if you don't put paint on the edges. Duplicolor comes to the rescue. Wayne

#14 OFFLINE   JeffIsHereToo

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Posted 21 March 2008 - 03:26 PM

The night I picked up mine from the dealer I swbbed touch up paint on the "raw" edges from underneath. They didn't do it at the factory after drilling the holes through the hood for the hood pins. it is sure to rust if you don't put paint on the edges. Duplicolor comes to the rescue. Wayne


The hood is aluminum...no rust.

But painting them for a cleaner look is a good idea!

Edited by JeffIsHereToo, 21 March 2008 - 03:28 PM.

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#15 OFFLINE   sdear

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Posted 21 March 2008 - 05:46 PM

The hood is aluminum...no rust.

But painting them for a cleaner look is a good idea!



ok...here's another one.

You know how the new billet lanyards have the little swivel piece encased in the plastic?? Nice concept...except....the swivels in both of mine are rusting. Water stays inside those plastic covers...and walahhh ...rust ! You would think those would be stainless steel. I have left several messages with Keith at SPP but no response. :banghead:

Definately going to have my hubby pop off the plates and make sure the paint is ok underneath. Putting some paint around there sounds like a good idea.

We did put some primer paint around the holes where the "bolts" use to be under the scoop.

Can you imagine what might happen to all those rivets holes ???????????


Ok..i will stop :talkhand:
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#16 OFFLINE   VEGASTY

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Posted 13 April 2008 - 04:04 PM

ok...here's another one.

You know how the new billet lanyards have the little swivel piece encased in the plastic?? Nice concept...except....the swivels in both of mine are rusting. Water stays inside those plastic covers...and walahhh ...rust ! You would think those would be stainless steel. I have left several messages with Keith at SPP but no response. :banghead:

Definately going to have my hubby pop off the plates and make sure the paint is ok underneath. Putting some paint around there sounds like a good idea.

We did put some primer paint around the holes where the "bolts" use to be under the scoop.

Can you imagine what might happen to all those rivets holes ???????????


Ok..i will stop :talkhand:




curious, so i take it no one else has experienced this issue yet? my bubbling is now twice as big since i posted, still waiting answer from my dealer on getting it fixed!!
Black 2007 Shelby-GT Auto, Shaker 1000, Anti Theft, Sirius-
Purchased March 26, 2007 at sticker price
CSM# 07SGT0373
on 5th hood scoop and stripes, not counting original,
painted side mirrors, tint,
SS side window scoops
................................................................................
.....

#17 OFFLINE   JeffIsHereToo

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Posted 13 April 2008 - 04:20 PM

curious, so i take it no one else has experienced this issue yet? my bubbling is now twice as big since i posted, still waiting answer from my dealer on getting it fixed!!


Yeah, I haven't seen this and swapped out my pins and plates myself about 3 months ago. I was taken back by the fact they are just screwed in and there is no finish etc., but I didn't have any paint issues. Of course my car is white and I wonder if I would see the spider effect people have talked about.
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#18 OFFLINE   rnoggle

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Posted 13 April 2008 - 04:49 PM

Guys, just because the hood is aluminum and therefore won't "rust". It will still corrode. Especially if you have steel screws screwed into an aluminum panel. This is known as disimilar metal corrosion (2 different metals in direct contact with each other) and will normally appear as bubbling under the paint. And it will continue to expand if left untreated.

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#19 OFFLINE   SpeedRacer

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Posted 13 April 2008 - 04:58 PM

Guys, just because the hood is aluminum and therefore won't "rust". It will still corrode. Especially if you have steel screws screwed into an aluminum panel. This is known as disimilar metal corrosion (2 different metals in direct contact with each other) and will normally appear as bubbling under the paint. And it will continue to expand if left untreated.



Bob is correct :yup:
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#20 OFFLINE   clink

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Posted 13 April 2008 - 05:52 PM

today i noticed a kinda bubble about 1/4" peaking out from under the hood pin plates, i unscrewed it and low and behold each of the 4 screw holes now had bubbling spidering out from each hole, i'm guessing rust growing under the paint from water reaching the un-protected metal where drilled. sorry my camera is busted can someone check theres and see if same issue as me. thanks

Hi There,
After every wash and wax of my car I give my hood pins a shot of WD 40.
I have not noticed anything happening yet.
LAter,
Clink

Edited by clink, 13 April 2008 - 05:53 PM.

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#21 OFFLINE   ZDS

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Posted 13 April 2008 - 11:23 PM

Hi There,
After every wash and wax of my car I give my hood pins a shot of WD 40.
I have not noticed anything happening yet.
LAter,
Clink



I use WD40 the same way , learned that in general aviation we used it to fog the wings of Cessnas ..........prevents rust and corrosion,

WD = Water Displacement...............just changed my pins to the billit ones , and found no corrosion , and I have put 12,000 miles on my

07 SGT0652 ..................Hope to put a Watts Link on it soon......................ZDS

#22 ONLINE   ilmor

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Posted 14 April 2008 - 01:52 AM

Bob is correct :yup:


I agree with this - just wondering now if the screws are stainless steel, would that also react with aluminum?
2007 Shelby GT CSM# 07SGT1917 - the "Garage Queen"

Performance White, Hurst 5-Speed, Premium Package



Shelby 4.6L Racing Valve Covers ,Shelby Turbo Mufflers, Shelby GT Brake Duct Kit, "S" snake faux gas cap, Carroll Shelby autographed dash, Improved Shelby GT hood scoop replaced by Tasca Mod Shop, Craig's Custom License Plate Bracket, Baer GT Rotors, Hawk HP Plus Pads, Stainless Steel Brake Lines, Hi Temp Brake Fluid, J&M Street/Race Extreme Joint Lower Control Arms, J&M Double Adjustable Panhard Rod (Street/Race) ...



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#23 OFFLINE   RogerS

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Posted 14 April 2008 - 05:29 AM

I use WD40 the same way , learned that in general aviation we used it to fog the wings of Cessnas ..........prevents rust and corrosion,

WD = Water Displacement...............just changed my pins to the billit ones , and found no corrosion , and I have put 12,000 miles on my

07 SGT0652 ..................Hope to put a Watts Link on it soon......................ZDS


The billet ones have issues also.

Which watts link did you choose?

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#24 OFFLINE   rnoggle

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Posted 14 April 2008 - 07:17 AM

I believe the stainless screws will still cause a problem with the aluminun. Must likely, for those seeing rust colorong around the screw plate, they have regular steel screws.

The best prevention is to put some primer in the screw hole and a little on the screw threads.
Then insert the screws while the primer is still wet. This will at least put a small barrier between the screws and the the aluminum.

Bob Noggle
Goshen, In


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Black/Silver
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Agent 47 Grille with GT fog lights
Agent 47 Front brake cooling ducts
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#25 OFFLINE   SGT2666

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Posted 14 April 2008 - 08:21 AM

I believe disimilar metal corrosion needs 3 things two different metals and an electrolyte, salt is a good electrolyte so any of you in areas that salt the roads or near the ocean will want to keep those areas as clean as possible and or seal it up with something. Galvanic corrosion is a serious issue for Navy aircraft because of the salt.
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