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Motor Mount Fill?

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  #1 (permalink)  
Old 30 Sep 2016, 09:41 pm
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Join Date: May 2014
Location: Chalfont, PA
Posts: 332
Default Motor Mount Fill?

I can't remember....What is the name of the 3M product that some have used to fill their Motor Mounts?
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Old 30 Sep 2016, 09:44 pm
_PTGT03's Avatar
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Join Date: Oct 2015
Location: Abbotsford, British Columbia.
Posts: 768
Default Re: Motor Mount Fill?

window urethane. that's not really the way to go because it's not hard enough.
buy this kit here;
DIY Liquid Polyurethane Engine and Motor Mount Urethane

in 94a. I filled my mounts with 84a but they were not hard enough and tore out when my centre mount failed (un-related cause from the mount fill)

after reading up on the reviews, we have someone who even posted about his pt cruiser mounts;

I modified the front motor mount on my Chrysler Town and Country. Much better throttle response at the cost of added vibration at idle in gear, which seems to have lessened over time. It feels more like a truck now, definitely not for everyone. I bought this to modify some mounts for my PT Cruiser Turbo with A/T to be softer than the solid urethane mounts in it now. I will install them when I change the timing belt. Its nice to have the option of making softer or harder mounts as desired.
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happy modding and hope you can get that tire smoke going on
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Last edited by _PTGT03; 30 Sep 2016 at 09:48 pm.
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Old 01 Oct 2016, 09:58 am
NitroPT's Avatar
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Join Date: Jun 2012
Location: USA kalyfornia
Posts: 16,001
Default Re: Motor Mount Fill?

The liquid kits from some distributors are they better way to go over the 3m window sealer commonly used by many and often recommended on forums.

Even 3m will not endorse its use for engine mounts and will say in various ways as not to lose sales that they have read or heard from people using their product in that fashion that it works.

The more recommend for street/strip use with the liquid fill kits is 85A High Performance Urethane . The advertisement is a retailer and not the supplier is is a very dated ad. You can also get a more people friendly 60A High Performance Urethane kit that will do more then strengthen up the mounts without excessive increase in vibration. Don't get caught up in the numbers to much unless you learn how they are defined. Larger numbers is not always better even in a racing application. To hard of engine mounts can cause wheel spin just as easily as to soft.
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