Drag Racing Discussions > Front Engine Dragsters
Coupler questions
dreracecar:
Measure from the front edge of the pinion coupler to the end of the output shaft
What that number?
tcoupekyle:
13 inches.
The other problem is the coupler on the pinion is 20 spline.
tcoupekyle:
dreracecar:
Go to reply #2 and insert 12" as shaft lenght (replaceing XX)
The splines you are refering to are a standard for the coupler(s)
the 32 or 16 is the splines for the shaft itself and the spline for the ID of the couplers themselvs.
Now you may have to trim the shaft but there is plenty material to work with.
arush:
Mark Williams also suggests that you have between 1/8" to 3/16" of end play.
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