Quote:
Originally posted by huck369
All engines have certain harmonics that will be apparent at different RPM levels, the flat 6 is about as close to perfect as they come…but still will produce vibrations, the factory liquid filled mounts really do a good job of hiding them, but with the STi mounts, or even the factory Impreza tranny mount, there are more vibrations transmitted through them since they are denser material,… So are you sure it’s not just normal engine vibrations?
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Thats pretty much the conclusion I came to. I figure they put those squishy mounts in there for a reason, and that resone is that most people don't want to feel the car running. 
Like I said I never realy felt mine untill after I put in the STI mount.
Also even when using the stock tranny mount in an SVX 5 speed conversion, the tranny is still not as isolated as in a stock 5 speed car. All of the conversion X-members I've seen are not triple rubber mounted like the stock Subaru 5 speed mounts.
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92 SVX #772 140k 6speed, ECU Tune stage II, Koni/Ground control, 3,270lbs.
91 Legacy Turbo 5spd. FMIC, crappy stock turbo, ACT clutch.
78 BRAT (New toy) (Soon to be EJ22T powered)
90 240 SX. RB25 powered!! DRIFT!!!111!!! (GF's car)
To many cars to spend time on teh web!
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