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Scion tC 1G Forced Induction Turbo and supercharger applications...

Speed-Source Polyurethane Motormounts.. *PICS*

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Old Dec 4, 2006 | 01:54 PM
  #201  
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Originally Posted by ERIC-TC
Oh my God! I just installed the front mount and I started the car and heard this horrible sound I was like poop, did I leave a tool inside the engine bay? (You know like doctors now-a-days). Well it was the license plate rattling

The car shakes so hard at idle that I think my tC is going to fall apart in a traffic jam.

Actually the car feels a lot more stable when putting power to the ground and whenever I pass over rail-road ties the car just goes over with no drama almost too smooth-before it was like bang-bang.

Once you get the car above 1000RPM's the shake stops and it's smooth after that. You really do feel the road a litte more.

I will ride like this for a while and let the car massage me to sleep...I don't think the wife will understand why my car feels like it is ready to fall appart.

I've only installed the front mount it was very easy like 30 minutes cause I took my time with the bottom engine covers.
Is anyone else experiencing a similar issue besides ERIC? I am trying to decide whether to do just the front, just the rears or all three. I'm more concerned about minimizing/eliminating dirvetrain lash without introducing excess noise, more so than dealing with wheel hop, which I rarely experience. I can finally take out my ghetto-fab engine damper, which causes a nasty buzz at WOT >5000rpm in low gears over to the right forward side.

-Ed
Old Dec 4, 2006 | 03:28 PM
  #202  
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^^^Welcome to solid mounts^^^ The stiffy is more for the daily driver and these address the guys with power levels or driving habits that will gladly take some added vibration from solid mounts
Old Dec 4, 2006 | 03:30 PM
  #203  
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Originally Posted by Matt_Burgess


Whats that big thing of rubber on top of the factory mount ? Doe's anyone know ?

Thats a rubber weight to help eliminate NVH or in street terms a weight to stop noise vibration and harshness from coming into the cabin.
Old Dec 4, 2006 | 03:48 PM
  #204  
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Originally Posted by BOXMAN
^^^Welcome to solid mounts^^^ The stiffy is more for the daily driver and these address the guys with power levels or driving habits that will gladly take some added vibration from solid mounts
There is another person who did only the front mount and said it did the job of getting rid of drivetrain lash without introducing excess noise. I'm just trying to get some more results. So far, it looks like I will do front-only so I can chuck the noisy Stiffy-style damper I am currently using (it's not happy with my strut tower bar).

-Ed
Old Dec 4, 2006 | 04:28 PM
  #205  
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Try the stiffy with the inserts you will notice the stiffy and a slight difference between the inserts with or without the stiffy. The issue with one vibrating and one not is the TC is a sub 20,000 dollar car so quality controll isnt a strick so one car will react different than the next. This is the case in a lot of models made today.
Old Dec 4, 2006 | 09:37 PM
  #206  
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Thanks Boxman
Old Dec 4, 2006 | 09:42 PM
  #207  
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No problem.
Old Dec 4, 2006 | 10:33 PM
  #208  
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The front mount is A OK to run, I have gotten used to the vibration after 1 week... my license plate does not rattle or any of that stuff...

It does its job well, for just the front.
Old Dec 4, 2006 | 10:36 PM
  #209  
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One thing to think about is if you are making one mount stronger you have now made the other mounts your weak points.
Old Dec 4, 2006 | 10:45 PM
  #210  
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?? The front mount makes the other mounts do nothing...

All the while, no engine movement... and no stupid stiffy noise! :D
Old Dec 4, 2006 | 10:48 PM
  #211  
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All parts of a car have positive and negative effects on someother part in the vehicle. When you stiffen a mount you no longer have all equal loads being applied. There is now weak links in the chain. Wow zero the Stiffy was great untill you got all into speed sources pants huh? Typical import owner
Old Dec 4, 2006 | 10:52 PM
  #212  
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I am not in here bashing on the speed source products so why must you bash on a product that has been proven to work? All I am saying is try sticking with a single tune on what works and what doesnt. Also when promoting for another company its never good business to drag another company into your views. The ingalls ETD works very well and has been proven. If you are using mounts use ALL of them or NONE at ALL why make your car weak..? Thats all.
Old Dec 4, 2006 | 10:52 PM
  #213  
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I am not a fan of the stiffy, as you can tell. No need to be harsh bro, either buy the mounts or dont...

I ran just a front mount in my girlfriends car (tiburon) to help stop her supercharger from thrashing the firewall. Worked well for years, until she sold it... There is nothing wrong with running just a front, Ripp Mods was the supplier of the polymount for her car as well. They only sell 1.
Old Dec 4, 2006 | 10:54 PM
  #214  
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The tiburon is a different vehicle you cant compare the two. WHat peak loads does the Tc front mount have when compared to the tiburon? These are factors to look into before you claim ONE mount is OK.
Old Dec 4, 2006 | 11:00 PM
  #215  
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Are you running just the one mount? Have you done any driving with just one?

No need to argue bro, I can do what I want to my car. When I have time to pull the rear mount I will do it... and I will post for your enjoyment.. I have no wheel hop as it currently is, and my shifting is silky smooth... IMO its working well. Others can speak for themselves. But ERIC has posted a good review as well..
Old Dec 5, 2006 | 01:04 AM
  #216  
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so how does this compare to the stiffy in terms of interior noise? i want to get one or the other for the sake of getting rid of the drivetrain lash. i was leaning towards this since they are around the same price and people complain about bending/breaking their stiffy's.
Old Dec 5, 2006 | 01:14 AM
  #217  
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I too have the front mount installed. I will hopefully do the rear this weekend. The only thing I noticed is that my radio door squeak is more apparent. So when I am not so lazy and decide to fix it I will have no more noise issues. These mounts are not for everyone though. If vibrations are an issue than you probably shouldn't install mounts. I don't even notice the vibrations any more but they really aren't that bad. Once you hit 1800rpm they are gone. My suggestion to everyone is if you think this may be the solution run the front mount and see how you like it. If you don't like it, sell them. There will be plenty more people interested in buying these. If you do like it throw in the rear and call it a day.
Old Dec 5, 2006 | 03:10 PM
  #218  
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Hi Guys -

The slight vibrations are normal. That is going to happen on any polyurethane mount kit - on any car. We have designed the faces our mounts with convex design so the entire mount is not touching the mount bracket. On a previous mount design, we had a flat face, which tends to transmit more vibrations into the cabin... while we know the Scion community loves a stiff pair of engine mounts, most everybody does not want a car that is going to knock their teeth out!

I am not puting down the Ingalls, it is a different product and has a different outcome, but I can assure you all that our mounts are high quality - and will reduce the engine movement that we have been hearing a lot about on the tC ;)

Hopefully in the next week or 2 here, we will have a full stock of mounts for you guys to purchase!
Old Dec 5, 2006 | 03:17 PM
  #219  
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^^ This a a good and positive response both products work to control drivetrain movement. The mounts are a traditional solution and the Stiffy is a new way to look at it. Yes mounts work better in most cases. But as stated above there are trade off for both products. I just don't want to see a thread turned into a lets trash Ingalls/Speedsource because I have one or the other. I just want SL members to know there is more than one solution to the problem and all negatives/positives should be looked at before anyone makes a choice thats all. I commend speed source for making an EXCELLENT PRODUCT. Keep up the support, the more companies making stuff for the Scions the better.
Old Dec 7, 2006 | 11:18 AM
  #220  
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Urathane mounts will transmit more vibration into the Cabin while provideing the best solution to engine movement, due to how sitff they are. The Tq Damper is more for the daily driver who likes to race every now and then. The Damper allows for you to have a major decrease in drive train harshness and wheel hop. While still being able to give you the at idel feel of a stock tC. So in other words, Both are great products and it all depends on what YOU want. I was looking into getin the damper cause my turbo tC is puting a beating on those stock mounts. The motor moves so much and vibrates and pulls bolts loose. Then i heard about these mounts. These are what I wanted and thats why i bought them. So if your hard core about drive train thrash Like me then get the mounts. If you dont want the drive train to trash as much and decreas the Wheel hop and have a good show look the damper is for you.


(this is like a nother turbo is beter no super charger is beter no turbo it will go on and on and on for ever) lets just agree to dis-agree and we are all scion owners and respect each other for doing what we want with our vehicle. Scion is all about individualism Not conformity. So lets be what they want us to be and create your own tC monster.



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