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SVT Shelby GT500
A tale of two shifters...
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<blockquote data-quote="Tob" data-source="post: 13324050" data-attributes="member: 83412"><p>Thanks for that Poppa. Looks to be ~1-13/16" from the underside of the baseplate to center of hole. I went through all the new model year introduction pdf's I have on hand. I didn't have one for 2010 but that appears to be the first year that the linkage geometry was redone to allow for quicker shifts, based on what I found <a href="http://www.popularmechanics.com/cars/reviews/drives/4311844" target="_blank">here...</a></p><p></p><p></p><p></p><p>Which would make sense as it would coincide with the changes to the shifter stub, bushings and arms as well.</p><p></p><p>Studying everything else regarding 2011/2012 GT500's it would appear as though the shifter linkage was carried over in its entirety from the 2010 model year. Which was then changed again in '13 with the shift lever ratio slowed to reduce effort and keep "their hand from beating their foot." That quote is from 5.0 magazine quoting Jamal Hameedi, <a href="http://www.mustang50magazine.com/techarticles/m5lp_1209_2013_shelby_gt500_chassis_development/" target="_blank">here</a>.</p><p></p><p>You can see the 'Prototype' tag affixed to the preproduction '13 shifter in the following photo from the above linked article as well.</p><p></p><p>[ATTACH=full]490929[/ATTACH]</p><p></p><p>This means Ford (not Tremec, as the shifter is Ford's design) did the following with respect to GT500 shifters from 2007-2013:</p><p></p><p>- 2007 through 2009 shifter assemblies were all the same <strong>(1-5/16" dimension noted)</strong>.</p><p>- Changed leverage ratio (etc) for quicker shifts in 2010 and remained the same through 2012 <strong>(1-13/16" dimension noted)</strong>.</p><p>- Changed the leverage ratio again for 2013/2014, this time to slow down shifts <strong>(1-1/2" dimension noted)</strong>.</p><p></p><p>Looks as if the '10-'12 factory shifter assembly is the most desirous from an OEM "quickest shift" perspective. Interestingly enough, wasn't 2010 the year when complaints of transmission gear clashing started?</p></blockquote><p></p>
[QUOTE="Tob, post: 13324050, member: 83412"] Thanks for that Poppa. Looks to be ~1-13/16" from the underside of the baseplate to center of hole. I went through all the new model year introduction pdf's I have on hand. I didn't have one for 2010 but that appears to be the first year that the linkage geometry was redone to allow for quicker shifts, based on what I found [URL="http://www.popularmechanics.com/cars/reviews/drives/4311844"]here...[/URL] Which would make sense as it would coincide with the changes to the shifter stub, bushings and arms as well. Studying everything else regarding 2011/2012 GT500's it would appear as though the shifter linkage was carried over in its entirety from the 2010 model year. Which was then changed again in '13 with the shift lever ratio slowed to reduce effort and keep "their hand from beating their foot." That quote is from 5.0 magazine quoting Jamal Hameedi, [URL="http://www.mustang50magazine.com/techarticles/m5lp_1209_2013_shelby_gt500_chassis_development/"]here[/URL]. You can see the 'Prototype' tag affixed to the preproduction '13 shifter in the following photo from the above linked article as well. [ATTACH=full]490929[/ATTACH] This means Ford (not Tremec, as the shifter is Ford's design) did the following with respect to GT500 shifters from 2007-2013: - 2007 through 2009 shifter assemblies were all the same [B](1-5/16" dimension noted)[/B]. - Changed leverage ratio (etc) for quicker shifts in 2010 and remained the same through 2012 [B](1-13/16" dimension noted)[/B]. - Changed the leverage ratio again for 2013/2014, this time to slow down shifts [B](1-1/2" dimension noted)[/B]. Looks as if the '10-'12 factory shifter assembly is the most desirous from an OEM "quickest shift" perspective. Interestingly enough, wasn't 2010 the year when complaints of transmission gear clashing started? [/QUOTE]
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A tale of two shifters...
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