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Looking to put an overdrive on my 408 e body 3:91 but I want to keep my externaly balanced flex plate and my beloved
Lupo torque converter. I know that they have made non lock-up a518 for a couple of years but they are hard to find. Is it possible to convert a 46rh ton non lock-up 24 spline input shaft? If so, Is there an existing guideline of what needs to be done and can I re-use parts from my 727? BTW I am not interested in the gear vendor. Thanks.
Change the input shaft/rear clutch piston support and reaction shaft support at a minimum.
There are some differences at the back of the input shaft where it mates to the intermediate shaft compared to the 727 so you need to make sure you get a very late 727 for parts or find the 89-93 46RH for parts.
If you can’t find them PM me as I may have what you need.
