Gearvendors

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cuda620

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Has anyone had experience with gearvendors overdrive on a 727 in an A body? Did you have a vibration to correct? Any fitment issues? Thanks.
 
cuda620 said:
Has anyone had experience with gearvendors overdrive on a 727 in an A body? Did you have a vibration to correct? Any fitment issues? Thanks.
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I have a gearvendors unit in my 67 notch, 273-904 with 3:73.1 shurgrip.
Sweet, 2400 rpm at 70 mph. Smooth as silk!
 
DesertRat said:
I have a gearvendors unit in my 67 notch, 273-904 with 3:73.1 shurgrip.
Sweet, 2400 rpm at 70 mph. Smooth as silk!
Click to expand...
I remember seeing your build I think. I’m doing a 67 notch too. Didn’t you have to shim your Diff up or down and lower your tranny? Did you have the 15” housing adapter?
 
I lowered the transmission crossmember 1" and shimmed the rear axle at the spring perches 1.5 degrees. The details are on my build thread.
 
I lowered the transmission crossmember 1" and shimmed the rear axle at the spring perches 1.5 degrees. The details are on my build thread.
 
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