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How To - Tips => Engine & Transmission => Topic started by: lambobuilder on May 13, 2025, 02:25:31 PM
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I designed my car around using Lexus CV axle which have the 30 spline end and same bolt pattern on the Audi 01x transaxle. Unfortunately because the Aventador is wider, the CV axle I need are roughly 3" too short. Has anyone cut and sleeved a CV axle to get the proper length? If so, who did the work and what are the downsides?
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I haven't done it, but I have seen many results from people who have. Axels are heat treated tempered steel that when cut and rewelded (whether shortened or lengthened) lose their tempering and are prone to twisting and failure at the weld points. Even people who go through the whole process of adding sleeving over the welds just make the matter worse. Its not a matter of if it will fail, just when it will fail.
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I did that on my NAERC Diablo , Audi to GM, I had a pro truck welding shop to weld., they told me some shafts as GM the shaft is a lot more stronger. needs special way to weld. they made a sleeve to extend and joint. by MIG that not good.
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Dale,
My understanding is that there are many different lengths available that have the 30-spline and bolt to the Audi bolt pattern. I do not recall where I saw it but there was a site that listed all the axles this company made by make, model and it contained the lengths of each and the end configurations.
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Dale,
Reach out to Charlie Strickland. He had a list of axles and part numbers of various lengths that work with Audi/C5 CV's. I can't remember the details.
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I have Charley's part numbers already. They are Lexus axles with 30 spline and Audi bolt pattern. Length will not work for my Aventador.
LP700-4 would love to know that site if you can find it.
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Reach out to dutchman axles. We had them make custom length axle shafts for my dad's car and it worked out great.
https://dutchmanaxles.com/930-cv-axle-shafts.html