DeTomaso Mailing List: April 1997, Message #142
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This was sent to the incorrect address: >Date: Thu, 17 Apr 1997 00:47:41 -0700 >To: owner-detomaso@wgate.com >From: rbarkley@earthlink.net (Richard Barkley) >Subject: Re: Gearbox history (other ratios!) >Status: R > >Hi, > Well, there must be at least two variations on the Dash-One ratios. I >just crawled under my #1549. The ZF has I.D. # 1031-001-061 (5DS-25-1) and >is the original trans. The following ratios are stamped on the ID plate: >2.42,1.47,1.09,0.96,0.705 and 2.86 R with 4.22 final. So it has the same >final ratio as the -2, but the lower gear ratios are -1's. The following is >a table of the relative ratiios with the previous gear based on Don M's >data (below) and my 061 Dash One. Looking at the -2 numbers, its hard to >understand the logic in their choice (or is the 1.41 3rd gear value a typo >or missprint)? Given this info, I might be better off keeping my old -1 and >sell my new in the box -2 as the ratios seem to make more sense. > > 2nd 3rd 4th 5th >dash 1 060 ? 165% 135% 114% 113% >my dash 1 061 165% 135% 114% 136% >dash 2 152% 104% 167% 120% > >Another consideration in my decision is whine. My current trans has always >had a slight whine that is somewhat annoying when cruising. I've been told >that the -2s are quieter. Any truth to this? > >Richard Barkley > >To Ski or not to Ski, that is the question! > >Richard Barkley >(310) 373-6695 (h), 813-2432 (w) >E-mail: richard.barkley@trw.com (work), rbarkley@earthlink.net (home) >Mammoth Condo 2BR+loft/3Bath - Horizons 4 #186 (619) 934-6758 >Condo web address: http://home.earthlink.net/~rbarkley > >>Hi All... >> >>Mike did a fantastic job telling the ZF story. Here are the ratios that he >>did not have at hand OR memorized!!!! Shame >> >>BTW, these are from "deTomaso, The Man and the Machines"... >>(I cheated)! >> >> Gear Dash/One Dash/Two >> >> 1st 2.42 2.23 >> 2nd 1.47 1.47 >> 3rd 1.09* 1.41 >> 4th 0.958 0.846 >> 5th 0.846 0.705 >> Rev 2.86 2.87 >> Final Ratio 4.22:1 4.22:1 >> >> * some reports say 1:04 >> >> The ZF Transaxle type 5DS-25-1 carries I.D. # 1031-001-060 >> or I.D. # 1031-001-061... This was the unit used with the "Goose" >> and the early "Cats", the Dash-One >> >> The ZF Transaxle type 5DS-25-2 carries I.D. # 1031-002-001, the >> Dash-Two. >> >> When changing from a Dash-One to a Dash-Two in a Pantera... the >> bell housing must be changed. The part # is D16Y 63928 >> >> >> Enjoy.... >> >> Counting Down to Vegas!!! >> >> >>Don M in Miami >>'72 Euro pushbutton #1158 Dash-Two ZF (!) probably started out with >>Dash-One >>W4WJ@aol.com > > >