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  #16  
Old 09-20-2006, 10:25 PM
ForcedInduction
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The difference between hood pad and no hood pad is definitely noticeable in noise level.

You can always wrap the turbo in fiberglass insulating tape.

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  #17  
Old 09-20-2006, 10:34 PM
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Quote:
Originally Posted by greasybenz View Post
I dont believe that one bit. If it was to protect the paint from the heat then the entire engine bay should be covered in a hood pad material.
Heat rises, so the sides wouldn't need a pad. Although I agree that the paint should,t care about the heat. I would think that the hot Arizona sun would bake the paint more than the engine heat anyway.
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  #18  
Old 09-20-2006, 11:02 PM
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My car came with dirt and old glue where the hood pad had been. I removed the hood, cleaned the underside thoroughly and put on a new hood pad that had an aluminized area over the turbo. Since I have the California version, the turbo sits high in order to clear that dratted trap cat. The turbo and exhaust pipe are just under the hood.

I noticed no difference in noise level inside or outside, idling or driving, day or night. The hood definitely stays cooler with the pad. I don't know how long my car "went without" but the paint was not harmed. A twenty-year old paint job is probably pretty stable (or pretty well oxidized) anyway but if you have the car repainted I think the hood pad would be a good idea. Otherwise, skip it if you don't want to spend the money.

Properly done, it does look nice, incidentally, especially if the existing pad is ratty or missing.
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  #19  
Old 09-20-2006, 11:02 PM
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Quote:
Originally Posted by Wodnek View Post
Heat rises, so the sides wouldn't need a pad. Although I agree that the paint should,t care about the heat. I would think that the hot Arizona sun would bake the paint more than the engine heat anyway.
Oh it does... have you seen the metallic colored cars from Arizona? REALLY poor paint.
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  #20  
Old 09-20-2006, 11:06 PM
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Thumbs up

Just spend the $40 for one.
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  #21  
Old 09-20-2006, 11:39 PM
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Hood Pad

I Have A Friend Who Glued A Sun Reflector Front Window Shield ( The Quilted Kind) To The Roof Of The Hood For A Cheap Fix.
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  #22  
Old 09-21-2006, 01:02 AM
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When looking at used MB's, I always look favorably on one with a hood pad. They just seem to be an indication of a car that has possibly been taken better care of......
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  #23  
Old 09-21-2006, 01:34 AM
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I just bought a '85 300D about 3 weeks ago. The hood pad is gone, the exterior color is silver, and the hood needs to be repainted. The rest of the paint on the car is good. I don't know how long the pad has been missing, but the MB mechanic that has done some work for me flat out told me the hood looks the way it does, because of the missing hood pad.
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  #24  
Old 09-21-2006, 02:19 AM
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Misconceptions about PAINT

First off, not having a hood pad isn't going to make any difference in heat. if anything it'll allow the heat to dissipate faster, with the hood acting as a huge aluminum heatsink. Paint Yellows at *145F Blisters at *183F, so unless you have some SERIOUS overheating problems, the most pristine white hood won't be harmed.

Noise, noise does become a factor with no hood pad, but then I like noise so I took mine off, and plan to add some Dynomat or some equivilant.
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  #25  
Old 09-21-2006, 02:21 AM
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Quote:
Originally Posted by JimmyL View Post
When looking at used MB's, I always look favorably on one with a hood pad. They just seem to be an indication of a car that has possibly been taken better care of......
My hood pad fell off because I cleaned under to hood too often..
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  #26  
Old 09-21-2006, 03:05 AM
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Thumbs up Reasons for hood pad

Yeah, everything the other guys said.

Noise cancellation AND heat insulation. By the way, it is easier with two people. We used two tubes of 3M yellow adhesive(elephant snot) to glue the pad to the underside of "bonnet" er ah, hood.

I need to "do mine" to. About $50 bucks is the best price I have seen.

I'm gonna go and lay under my Benz for awhile, look around, take a nap and dream, CYA.
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  #27  
Old 09-21-2006, 04:53 AM
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The hood pad was mostly for noise and protects the paintwork from the heat that the turbo puts out. Many cars that have been run without a hood pad for a long time will have paint issues as it speeds up the breakdown of the clearcoat..

I installed a new hoodpad on my 300SD only to have it not want to adhere well. (due mostly to my lack of patience and time) I ended up removing it in irritation and it has no hood pad presently. My plan is to use dynamat in the areas that don't have support braces and then a second layer of dynamat over the entire hood inside of the hood.
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  #28  
Old 09-21-2006, 08:21 AM
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rocketman,did you use the 3m weaterstrip adhesive!!if so that is the wrong stuff,you needed the super trim adhesive,they make 2 different kinds(general)and (super)if you read on the cans general is NOT for hood pads.when i did mine i only needed one can.
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  #29  
Old 09-21-2006, 08:41 AM
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I used the correct stuff for mine and it still fell off.
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  #30  
Old 09-21-2006, 09:31 AM
Craig
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Quote:
Originally Posted by rchase View Post
I used the correct stuff for mine and it still fell off.
You have to make sure the surface is clean and dry, and follow the directions on the can. I've done two with the 3M and they are holding up very well.

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