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by sen2two
Sun Sep 13, 2009 1:55 am
Forum: Drag Racing
Topic: modifying stock transmission
Replies: 5
Views: 1388

modifying stock transmission

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...