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Old 06-21-2018, 10:39 AM
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patrickt patrickt is offline
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Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Quote:
Originally Posted by Cobra #3170 View Post
I use proper air craft grade bolts and nuts on my half shafts and have found that they do not maintain torque. I have to change them a couple of times a year. I think they may be stretching under the torque load. I did not have this problem when the car had lower power levels in the 1960's through 1990's.
Now, this is an area that is just slightly beyond my expertise, but you might consider going with a NAS 624/MS 21250 Series bolt (as per that two page PDF I just posted).
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