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P944GUY's Avatar
 
Join Date: Jul 2001
Location: Phoenix, AZ USA
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foam insulation under hood

Has anyone removed the foam insulation thats under the hood lid. I got a new insulation material that I want to replace it with. I'm sure it was applied with some kind of adhesive but after all these years I'll bet it's like cement now. Any ideas???

87 944
Old 08-09-2004, 04:54 PM
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I prefered romving the hood and using a powerwasher. I then replaced it with high-density/impact heat shielded styrofoam.
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Old 08-09-2004, 05:46 PM
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I'm about to leave that up to the paint shop. The guy there said that he would strip it for free and then charge me $75/hour to install the foam pads. I am taking him up on the stripping. (Stripping the pads you perverts)
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Old 08-09-2004, 06:32 PM
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I covered engine with a big sheet and scraped all the loose stuff off with a plastic scraper (get one from your mum's kitchen). I haven't removed the gluey gunk yet as it isn't that bad. I might get round to just putting new insulation on one day.
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Old 08-10-2004, 01:46 AM
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Gluey gunk can usually come off with Isopropyl Alcohol (lots) or petrol (lighter fluid)

Mine doesn't have anything under the hood, just red metal except for a small square of foam above the timing belt cover!
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(x)'89 944 S2 Cabriolet (Guards Orange) :
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Old 08-10-2004, 02:32 AM
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The vacuum works very well
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1984 944 N/A
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Old 08-10-2004, 04:12 AM
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The glue will disolve with lacquer thinner. I had my hood off when I did it.
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Old 08-10-2004, 06:23 AM
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flangermog, you have a '90 S2. I'm pretty sure by that time Porsche totally stopped with the underhood insulation on all the 944s. We were trying to figure this out but it was somewhere around '88 that they stopped. My '88 951S never had the insulation on. My guess is they stopped so the hood could act like a big heat sink for our hot engine bays. Of course having crumbling insulation all over the engine bay would also be a good reason to stop.
Old 08-10-2004, 07:08 AM
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I wondered about that, I know the little square i do have has indentations in it from the timing belt cover, Maybe the higher displacement meant that the engine would not fit with 1/2 inch of foam in the way... Could the lack of room also be the reason my battery is in the back I wonder...
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(x)'89 944 S2 Cabriolet (Guards Orange) :
( )'90 944 S2 (Maraschino Dead!) :
( )'89 Audi 90 Quattro 2.3 20V :
( )'92 Renault Clio 1.4 :

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Old 08-10-2004, 07:29 AM
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All right hand drive cars had the battery in the boot. When they switched the steering wheel and foot pedals to the right they just ran out of easy room in the front to put the battery. That engine bay is really crammed tight.

I suppose they may have put your little square on to prevent the timing belt cover from denting the hood by spreading out the force point if someone leaned on the hood or slammed it shut too hard.
Old 08-10-2004, 07:46 AM
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I used reflectix as a replacement for the nasty foam pads. It is cheap, serves the purpose of an insulate and looks really nice.
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1983 944 Copenhagen Blue

MODS: ENGINE: Firebraid 9mm plugwires. Weltmeister Throttle Cam, Dansk exhaust. lo-temp thermostat & fan switch, aluminum radiator. SUSPENSION: H&R 250lb springs, KYB GR-2 struts(front) Bilstien Shocks(rear), Racing Dynamics strut bar, APPEARANCE: 15" Phone Dial wheels, a-pillar w/ VDO H2O and volts gauges.

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Old 08-10-2004, 01:13 PM
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Ok post pics of what other alternatives you have used. Trying to decide if I should install the OEM ones or something else. So if you are using some other liner post pics....

Car is almost back from paint shop....
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Old 08-10-2004, 01:16 PM
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what foam?!?!?!
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Old 08-10-2004, 05:19 PM
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