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- Sun Sep 13, 2009 1:55 am
- Forum: Drag Racing
- Topic: modifying stock transmission
- Replies: 5
- Views: 1301
Hi, this is my first post here. maybe someone could help me out? I have a 1990 Mazda Rx7 and the stock Turbo 5 speed tranny is usually good up to 500 whp. but i have heard of people modifying them for fast clutchless shifting. From what i could find, people have removed some or all of the syncros an...