348/355 Rear Deck Lid Heat Shield Replacement - HOWTO

Volair · Sep 23, 2015

Just saw my old post refreshed so figured I post an update: It has been 1.5 years since I updated my heat-shield is holding up very well. My son is still making these so if you want these PM me and I will get you the details.

Carmine210@aol.com · Aug 31, 2021

Volair said: ↑

Major cabin fever times in Indiana. So time for another project.

Today, a step-by-step guide how to improve the look of your 348/355 by getting rid of that nasty crumbling foam insulation on the underside of your engine decklid.

You will need to order some aluminized heat-shield material. I got some from Summit Racing or see Step 8 of this write-up for an alternative easy option.

The material is dual faced with about 1/2" filler. Just about the right thickness and looks very OEM.

1. Call your son away from the computer. Tell him enough of Minecraft/Roblox/Call of Duty for the day and have him help you for step 2.

2. Unscrew the 4 10mm screws supporting the rear deck-lid. Have your son help you CAREFULLY lift the deck-lid away from the car and have him help you guide you with the deck lid into the house.

3. You have many options for working on this. Suggestion include: your master bedroom bed (especially if your wife JUST put new sheets on), your foyer floor, guest room or, my personal favorite, the dining room table. Does not matter really; you are bound to get a fair amount of crap from your wife anyway for bringing the "nasty car stuff into the house."

4. Remove the old foam by simply pulling it away from the deck-lid. You may use a plastic spatula to help lift it from the edges. Vacuum old residue. Note, it is sticky nasty stuff. Alcohol helps remove it from hands, tools, etc.

5. Use the old removed foam as template and cut the new material. HINT: if you cut the smaller piece slightly OVERSIZE (like we did), you will NOT have to use any glue to re-secure as it will be nicely wedged and supported by the metal channel-work. Your wife's utility scissors work great for that task.
There should be enough residue from removal of the larger piece that you will just be able to stick the new piece right to sticky part. If not, you will need to buy some spray adhesive (Summit sells it as well). We did not use any additional glue.

6. Install the cut pieces by sliding it from center and then tucking the right and left sides.

7. Have your son help you re-install the deck lid. You may have to play a bit with alignment to make sure it closes evenly. ENJOY a job well-done.

8. Now, here is a plug. My son Alex who is 13 and a budding entrepreneur and Ferrari enthusiast decided to sell these at a nominal price to all you lazy ones that do not want to go through hassle of ordering the material and cutting it to size yourselves. So PM him (AlexWJD on Ferrari Chat), and he will sell you the two pieces cut to size perfectly (his Dad will supervise and control quality) based off the original Ferrari templates.
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Carmine210@aol.com · Aug 31, 2021

Hey do you still make the heat shields..I need one…Thanks

kenneyd · Aug 31, 2021

[email protected] said: ↑

Hey do you still make the heat shields..I need one…Thanks
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I have the OEM pieces for sale https://www.ferrarichat.com/forum/threads/f355-air-filters-and-355-spider-rear-hood-sound-insulation.565380/

scooterwlv · Feb 5, 2022

I would like to get AlexWJD to make me a deck lid heat shield for 1995 348 Spider. Thanks.

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348/355 Rear Deck Lid Heat Shield Replacement - HOWTO

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