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Discussion Starter #1
Anyone oout there know how much I need to shorten my driveshaft in the faastback cy?

It is a 67 with a 289, and a c4 currently. any help is much appreciated, thanks!

Ross
 

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Your best off getting everything installed, dropping it down on all fours, inserting your yoke and measuring C to C. I just did mine this week.
 

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The T-5 and C-4 are the same length. I did not have to change my drive shaft at all when I did my conversion.
 

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Discussion Starter #4
WOuldn't that mess up the length? When your car's suspension is at full travel, the length of the shaft needs to chage, since the rear end moves farther away than it used to. That's why the slip yoke slips, to accomodate suspension travel.
 
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