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Bruce Lancaster · 03-31-2014, 07:20 PM

One place that MIGHT give an origin for the oddball shaft...
Don Francisco, HRM tech guru long ago, did a tech on use of Lincoln Zephyr gears somewhere around 1956. At the time LZ gears sets were offered by the speed equipment industry for the various later transmissions with all sorts of special hardware like small type input shafts. This stuff was offered in kits of increasing complexity and price into '54-55...perhaps the odd shaft was a speed equipment offering and not from any OEM application, like the small input gears. The article was published in several formats in Petersen books and Car Craft, but I believe the most detail was in the HRM article.

03-31-2014, 07:20 PM	#22
Bruce Lancaster Member Emeritus Join Date: May 2010 Location: Madison, NJ Posts: 5,230	Re: 55 Thunderbird Gears in 39 Trans One place that MIGHT give an origin for the oddball shaft... Don Francisco, HRM tech guru long ago, did a tech on use of Lincoln Zephyr gears somewhere around 1956. At the time LZ gears sets were offered by the speed equipment industry for the various later transmissions with all sorts of special hardware like small type input shafts. This stuff was offered in kits of increasing complexity and price into '54-55...perhaps the odd shaft was a speed equipment offering and not from any OEM application, like the small input gears. The article was published in several formats in Petersen books and Car Craft, but I believe the most detail was in the HRM article.