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Hey this is my first time posting here!!! I have a 07 spyder gs. I want to get some poly insert mounts to replace the OEM rubber ones since they re all done but i really cant find any information about size of the mount, if they are all the same size (transmission, front, back and passenger side), if they have a specific model number, what website i can get them from (summitracing maybe). Every time i google something all i can find are the whole mount (metal brackets with factory rubber). All i want is the poly insert since they are cheaper and i want the handling of polyurethane mounts. I really hope someone here has the answer ive been looking for!!


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Yes im in Jacksonville FL
So since i want to replace all 4 ill have to get 2 sets of engine bushings? Are all 4 the same size? Just wondering if they will all fit inside the actual metal mount


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Our cars only have a front and a rear motor mount. No need to buy 2 sets. As for the transmission I dont believe there is a solid poly mount in the market for us. You can make one tho! To get the actual poly mount into the steel mount is a little difficult if you dont have a vice at home.
 

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Discussion Starter #5
Gotcha, all this time ive been thinking we could replace all 4! Thanks for the info


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Just watch Jason's video at the bottom of the link I sent you. He explains everything. Motor mounts are a definite plus in my book. You can instantly feel how stiff the setup is now, as soon as you turn the engine over.
 

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We have 4 mounts, but the side mounts don't have any available aftermarket solution as far as I am aware. The front and rear, plus front crossmember bushings (included) are the important ones with a transverse mounted engine as we have though.

With them, you'll notice a lot of vibration at idle. Not sure about how they are under power, as I've not really beat on the car since putting them in

Edit: they're great
 

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You just have to hollow out the rubber material and do NOT cut the metal sleeve like you do with the main front and rear energy suspension mounts. I did and theres a huge gap that i filled with solid rubber. Not ideal. It would have fit perfectly if I just scraped all the rubber out of the sleeve.
 
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