Concur - I had this happen in two laps at Road America with a Muncie -
aftermarket gear didn't have proper clearance and the result was a friction
weld to the shaft.
Brian Garcia
Friendly Ghost Racing
> On Nov 4, 2014, at 3:25 PM, Dean Tetterton <tr3a58@verizon.net> wrote:
>
> I would say that there was not enough clearance in the 2nd gear
bushing
> and the
> 2nd gear play. I have gotten new 2nd gear bushings that are too tight
> on the shaft. I have opened them up with a brake cylinder hone. The oil
> needs clearance to get in. They should turn freely when installed on the
> shaft.
>
>
> Dean T.
>
>
>> On Nov 4, 2014, at 1:28 PM, Scott Janzen wrote:
>>
>> I had a freshly rebuilt transmission with mostly new parts, including a
new
>> close ratio gear set, fail spectacularly after only a few laps of use.
> Second
>> gear "welded" itself onto the main shaft, with the result that the gearbox
> was
>> effectively in two gears at the same time (car was under power in third
> gear)
>> and all of the teeth were stripped off of the 2nd gear set.
>>
>> The gearbox was filled with fresh Redline MTL (75-90) - it was still
> filled
>> well above the side fill plug when I took the top off the box. What could
>> cause this failure - chalk it up to a defective bushing? The bushing was
>> steel (?), not the bronze variety.
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