Hasport 70a rear motor mounts

Kevv_Si

Kevv_Si

Well-Known Member
1,508
757
Indianapolis
Vehicle Model
Si
Body Style
FB6
just ordered my hasport rear Motor mounts, went with the racing 70a for the best stiffness...is anyone else rocking the same? I heard car vibrates a lot but nothing too extreme. Reason why I went with 70 is because of others saying the 60a gets a little soft after its broken in :hmmm?:
 
I went with the street, which I think was 60, and after its broken in I don't feel any vibrations except when I'm acceleration in 1st, but only up until the rpms reach about 1500. Still is very stiff though, you can feel the stiffness when shifting.
 
323 said:
I went with the street, which I think was 60, and after its broken in I don't feel any vibrations except when I'm acceleration in 1st, but only up until the rpms reach about 1500. Still is very stiff though, you can feel the stiffness when shifting.
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Good! And I know this isn't a power mod but with these motor mounts eliminating wheel hop and making everything stiffer I'm guessing that could equal to better 1/4 mile times right?
 
I have the 60 installed and it seems to be enough even with the supercharger. A bit of vibrations at coming off idle but it's not too terrible. I don't think I would want to go any stiffer on a daily driven car.
 
I have 70a. its a whole new car in a good way. does have vibrations. almost sounds like an exhaust leak for a couple days. but you will love it
 
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I personally don't know about this particular mount but had the GGP front motor mount in my tC2 with the 70a inserts and the Ptuning front mount for my tC1 (unknown durometer). The GGp mount also came with a 88a insert which towards the end I was getting ready to install since I got used to the 70a insert. At low idle or with ac on you definitely feel a slight vibration. Can anyone confirm that it's the same case with the mount in question for our Si's?
 
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