Thanks all for the input on A-Type (Box O Parts) Overdrive testing and
Release bearing sleeve.
Trans and O/D work fine (leaks a little-bad Moss part) Swapped out the
release bearing sleeve for the bronze one from the TR4.
Everything works OK at this point.
I can confirm that the TR4 has a shorter bronze sleeve than the TR6 and
the TR4 uses a Borg & Beck coil spring 3 finger Clutch Cover or pressure
plate.
Glenn
>> Group
>> I'm trying to bench test an A type that I overhauled this past winter
>> from a box of parts.
>> I also have an A type that I took out of a 71 TR6 that I would like
>> to test before using them in any cars.
>>
>> 1st dumb question
>> What do you think the minimum input shaft speed needs to be to allow
>> the O/D to engage.
>>
>> I fabricated an adapter from a clutch hub and various pieces of steel
>> on a lathe to drive the trans from the input shaft.
>>
>> I'm spinning the adapter with a large 1/2 inch drill but the max
>> drill speed is only a little over 500 RPM which is probably not enough.
>>
>> I get oil flow up the operating valve when the plug is removed but no
>> engagement. This is the result of spinning both transmissions.
>>
>> Any suggestions/more RPM's
>> Thanks Glenn
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