vze2jshn

Any guidance regarding the removal of old hood insulation, preparation of hood surface and installation of O/E pad would be greatly appreciated.

Thanks,
Greg Heinrichs

Speedtoys

Is guidance suggesting searching first?

Plenty of documented guides/threads.

Speedtoys

https://rennlist.com/forums/928-foru...ation-pad.html

Bertrand Daoust

From Dwayne's Garage:

http://dwaynesgarage.norcal928.org/1...r%20Repair.htm

95carrera

What is the negatives of not replacing at all after it's gone? Paint damage?

Bertrand Daoust

I'd say two things, it protects the paint from the heat from the engine bay and reduce the sound from the engine.

jetson8859

I'm thinking about trying this on the 87. Good for temps up to 300 degrees and would be much easier to put on.

Kiwi'79

Aw, you really want to spray that under the bonnet of that beautiful machine???!!

Speedtoys

What part of that says "insulation"?

ltoolio

Insulation ability aside, I'd question how well it would look with the hood up.

One of the reasons I hope to replace mine some day is to get some the logos up on the new one. Would be nice to have the Porsche logo or something else up there rather than the sea of black.

OTR18WHEELER

...not that there's anything wrong with that..

por917

Order the one from Roger at 928sRus, it is an OEM one and it has the adhesive already on it. It is a peel and stick. Take the hood off and lay it down on a table. Scrap off the old insulation material and then just wipe on the old adhesive with a mineral spirits. Ask Roger what to use for the mineral sprits I can't quite remember. You don't have to remove the old adhesive just soften it up and remove the loose bits. Then peel one end of the insulation blanket and work your way down. I did this just last summer and it work fantastic and looks great. The OEM one has no sagging issues and looks just like the original. Very pleased with this product.

Adk46

It's easy to get the old glue off if you let the mineral spirits soak in for an hour or more. I used a thin metal 3" wide putty knife, carefully. I cleaned off the mineral spirits with lots of detergent, thinking any residue would interfere the new adhesive. I could only find 3M 90 locally, and was too impatient to order some 80 - ask me in September it's OK for my climate.

Chuck Schreiber

No need to even take the hood off.
Put down a cheap drop cloth over the engine bay. ($2 at Home Depot)
Start scraping with an old spatula or something plastic that won't ruin the paint underneath.
Get as much off as possible.
As mentioned, Wipe down with mineral spirits or lacquer thinner or whatever to get most of the residue. No need to make it perfect.
Wrap up drop cloth and throw away
Get Hood insulation from Roger.
Peel a few inches back and start at the distal end of hood (closest to the crest)
Line up the "grid" on insulation w the edge of cutout in hood. (It'll look bad if not lined up)
Press once lined up and work a little at a time until your done.
You may have to trim a little at the end if you stretch the insulation a little.
Tuck in to the cutout or "groove" at the end for a clean look.

Better if you have a helper, should not take you long at all.
Good luck!

Whitesands

I used a non OEM insulation from Whitney, 6x3 roll, enough to do the bonnet twice.
Fitted almost 10yrs ago, the foil is not quite as shiny now but other than that it seems fine.