3-4 syncro questions
11-21-2005, 10:35 AM
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3-4 syncro questions OK I have built dozens of T-56 transmissions and every one has broken keys in the 3-4 syncro assembly and I replace the syncro with new OE parts and still have had a few come back broke. Is there anyone out there making a syncro key out of some stronger metal?
11-21-2005, 11:36 AM
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The broken struts ( or keys) are a resultant damage not a cause. The billet parts wont break as readily but they will still over extend and cause a stuck in gear issue.The problem is the over extending of the strut. This can be from worn blockers , worn fork pads , worn shift fork( at the rail hole) or a combination of all of these contributors. The 3/4 fork should always be replaced with an iron part and the blockers checked for adequate wear gap at any time the box is opened up.
11-21-2005, 12:24 PM
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I install the iron 3-4 shift fork and use carbon fiber blocking ringsin all my units and the keys still broke in my 01 SS. I am just looking for an alternative to use from the stock parts.
LS1Joe, Do you sell these keys? Should I just call you?
LS1Joe, Do you sell these keys? Should I just call you?