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On Sat, 2006-09-30 at 12:10 +0200, Jens Vagelpohl wrote: > My "Without Guesswork" from 1974 shows a final drive ratio of 4.125:1 > for the automatic transmission in the Type 3, and there were two > varieties for Type 4s: 3.90:1 and 3.73:1. I would also think the main > difference between those transmissions is the final drive ratio. > In another forum, we have been discussing this also for the manual trans. All of my earlier "Without Guesswork" books show the T-3 auto differential ratio as 3.67:1 and the T-4 as a 3.91:1 ratio. But we have been finding on the manual trans ratios, that the books do not agree over the years. Like VW just started generalizing. Like the early books show the T-3 with a 4.13 and the T-1 with a 4.37. But then a couple years later, the book will show them all having the same ratio. -- russw <russw@classicvw.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~