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t-5 trans swap question?


Clark_240z

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If from an '81-'83 280zx turbo it will bolt right on. But seriously get the lighter slimmer FS5W71B 5 speed from the non turbo. The T-5 is a boat anchor and not to be confused with the World Class T-5s in the Camaro and 5.0 Mustangs. They aren't that strong. They also have poor ratios for a non turbo car and are considered a wide ratio trans with a 3.50 first compared to the available 3.062 first on the 290zx (non turbo) close ratio box.

 

FS5W71B on left  and FS5R90A. (T-5) You probably will have to massage the tunnel to get this thing in. Also you will need the drive shaft spline from the turbo car as your 240 one won't match it but will match the 71B. Likely the d/shaft will need shortening with both.

BorgWarner4-1.jpg

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If from an '81-'83 280zx turbo it will bolt right on. But seriously get the lighter slimmer FS5W71B 5 speed from the non turbo. The T-5 is a boat anchor and not to be confused with the World Class T-5s in the Camaro and 5.0 Mustangs. They aren't that strong. They also have poor ratios for a non turbo car and are considered a wide ratio trans with a 3.50 first compared to the available 3.062 first on the 290zx (non turbo) close ratio box.

 

FS5W71B on left  and FS5R90A. (T-5) You probably will have to massage the tunnel to get this thing in. Also you will need the drive shaft spline from the turbo car as your 240 one won't match it but will match the 71B. Likely the d/shaft will need shortening with both.

BorgWarner4-1.jpg

^^^^^^Mostly true the t5 is much heavier but not heavier duty. The t5 in the cameros were not world class and was far weaker than the zxt and mustang . the t5 from a zxt and an 80s mustang are nearly identical the only difference is in the input shaft and ratios of coarse, but the gearsets can be swapped if using a mustang clutch disk making it ideal cause of the availability of gearsets. Keep in ming the output shaft of the ZXT t5 is not the same as the non turbo as they ratained the same output shaft as the 'stang. A turbo 2 seat driveshaft will work in a 280Z 2 seat with the T5 if a R200 has been swapped in or the flange redrilled.

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  • 2 months later...

^^^^^^Mostly true the t5 is much heavier but not heavier duty. The t5 in the cameros were not world class and was far weaker than the zxt and mustang . the t5 from a zxt and an 80s mustang are nearly identical the only difference is in the input shaft and ratios of coarse, but the gearsets can be swapped if using a mustang clutch disk making it ideal cause of the availability of gearsets. Keep in ming the output shaft of the ZXT t5 is not the same as the non turbo as they ratained the same output shaft as the 'stang. A turbo 2 seat driveshaft will work in a 280Z 2 seat with the T5 if a R200 has been swapped in or the flange redrilled.

 

 Just FYI the Camaro did come with a world class T-5, at least when they switched to the 3800 series II. 

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The easiest way to identify them is by the countershaft bearing cap. The World Class has lettering around the outer edge, the non-world class is bare.

 

World Class

_776345_orig.jpg

 

Non World Class

_5943276_orig.jpg

Here is a link explaining WC vs non.

http://lugnutz65chevystepside.weebly.com/world-class-and-non-world-class-versions-of-the-t5---how-to-tell-them-apart.html

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The Ford T5 bolts up to the 280ZX Turbo bell housing with some slight modifications. The ID of the bell housing bore needs to be enlarged or the OD of the T5's front bearing cover reduced. The bolt pattern is the same.

 

The later 3.8L Camaro V6 also uses the same bell housing bolt pattern. 

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