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Robert Simpson · 12-16-2007, 10:32 PM

In light of the new transmission rule for powerglide cars. I would like to know why NHRA would not allow 4spd manual transmissions in place of 3spd manuals in all 55-57 chevys? I would like to hear everyone's suggestions on who to send letters to, to get this rule changed?

12-16-2007, 10:32 PM	#1
Robert Simpson Senior Member Join Date: Aug 2004 Location: Jacksonville, Florida Posts: 808 Likes: 7 Liked 20 Times in 12 Posts	New SS Trans Rule.... In light of the new transmission rule for powerglide cars. I would like to know why NHRA would not allow 4spd manual transmissions in place of 3spd manuals in all 55-57 chevys? I would like to hear everyone's suggestions on who to send letters to, to get this rule changed?