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Registered
Join Date: Feb 2007
Location: Monmouth Junction, NJ
Posts: 292
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Greetings,
I've had my 85 for 3 years now and have learned that shifting a 915 transmission is an art, not to be taken for granted. I too had the popping issue out of 1st and the need to pause before shifting into 2nd. Recently I replaced the engine and tranmission mounts with Club/Sport mounts (they are used in the cabriolet). It made a huge difference in shifting immediately.
When I first bought my car, people told me about using Swepco 201, so I draining the fluid and replaced it with Swepco. I was also considering a short-shift kit. When I told my mechanic about the Swepco and the short-shift kit, he smiled and said "great, I love guys like you..."
I asked him what he meant, his response was very clear "most of the transmission rebuilds I do are on units with a short-shift kit with Swepco inside". According to him, the short shifter puts too much stress on the inner workings and the Swepco is a bit too sticky. I will agree with the later comment as I when I was putting in the Swepco, I couldn't believe how thick and sticky it actually was. My mechanic recommended Mobile1 gear oil, which I put in, based upon his recommendation and it has made shifting much easier.
As an FYI, my mechanic has been working on Porsches for over 30 years and is recognized in the NJ area as an authority on 911's. So I trust his opinion and guidance. I'm just telling you this, because I for one and still learning about these 911's with the 3.2 and 915.
Good luck!
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Scott
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1985 Carrera Targa - Guards Red
2006 Acura TSX Navigation - Milano Red
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