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Techno Toy axle/cv's

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#1 rustyoldZ



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Posted A week ago

I'm looking at the TTT complete rear conversion setup and wondering what your thoughts are on them "rebuilding" the stock 240sx donor cv's. Will they be strong enough for autocross with healthy v8 conversion? Sure anything can break, just dont want it on my mind every time I mash the loud pedal coming out of turn!

#2 JakeWard


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Posted 3 days ago

I was also wondering something to this effect.

I feel like the drifters abuse the crap out of axles being super low, clutch kicking, etc.

#3 Neverdone


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Posted 2 days ago

If you're worried about them breaking, get them from a Q45 which came stock with a V8 and weighed a ton, or from a Z32 turbo. Both made V8 power and weighed more than a 240z.


I wouldn't use any 240sx parts in that conversion as the 240sx didn't even come with an LSD.

#4 socorob


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Posted A day ago

It has to be the early Q45 for the big ones.

1978 280Z - LS1, Improved racing oil pan baffle, JTR Headers, Johns Cars Mounts, JTR intake - T56, MGW shifter-GM cruise control - Infiniti Q45 R200 diff - Techno Toy Tuning suspension with Konis front and rear - Vintage Air Compac - Z32 rear brakes - Q45 rear hubs - Lizard Skin sound and heat - 2003-2004 G35 wheels - 86 Z31 front hubs, Modern Motorsports rotor adapter, 86 Z31 front rotors, Toyota calipers - 2002 Miata seats ...in progress so far.

#5 jthom5147



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Posted 20 hours ago

T3's webpage says their kit will work with any of the late model Nissan (and infinity) multi-link rear suspensions with a short nose diff.

The kit can be pieced together and you can use a long-nose.

The CVs end up being the weak link, so as mentioned the "strongest" of them is from the Z32TT or certain year Q45s.

Depending on what you want out of the car, the 240sx ones might hold it.

Z32-NA cars did come with a vlsd r200 and 5-bolt CV flanges. While not as strong as the 6-bolt r200 from certain Q45s or z32tt r230, the NA diff is cheap and plentiful where the other doffs are uncommon.

JDM 240sx (180sx) diffs used 5-bolt flanges and are the same length as 240sx axles or early j30 axles: the swapping of which is commonly done by the 240sx crowd.

The 240sx CV joints themselves are the weakest and IIRC aren't a true CV but are a tri-pod style u-joint akin to what's on the 280zxt.

Spline counts vary at the wheel hub, so make sure your hubs match your CVs. I can confirm that Z32NA hub splines are the same spline count as 240sx.

I find the 5-bolt CVs preferable due to how common they are. They're in several infinity models and Nissan models starting in the late 80s and there are versions with the same spline cuts at the z31t 4-bolt CVs used by the community for a long time now. Specifically the front axles from a Nissan D21 truck (forget the years) that are 5-bolt with 27spline center bars.

Sorry I got a little off-topic
BLACK 260Z in progress, done right this time.

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