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Here is a comparison of the two propeller shaft E4100 and E8700 for the FS5C71A and FS5C71B. E4100 is 520mm, for cars up to Sep 1971 E8700 is 555mm, for cars from Sep 1971 Kats

Guys, please use the "report" function to let me know about these bots. If you reply and quote their information in the thread it only proves their technology is working and they will do it more often.

Did I miss something? What exactly are you referring to? All I see is a sensible, informed and respectful exchange of views and data. Was something lost in translation? Kats just posted dimensions and photos on his long-running and highly informative Datsun 240Z vs Fairlady Z432 thread: https://www.classiczcars.com/forums/topic/23900-datsun-240z-vs-fairlady-z432/?do=findComment&comment=682106 Good work Kats! Your thread is a goldmine and one of THE best works of information and entertainment on this forum.

This is my memo for the transmission I have. I don’t think most people here need this information though. For myself, and wish if someone will appreciate it. Kats

guys can we stop doing the biggest d*** challenge please? This is a club not a competition who knows best

The invoices from Waverly Motors even quote the 'S30D' and 'HS30' origins of the parts. They should have been looking at standard car factory parts lists rather than Comp parts lists. It would have saved the owner some money too. The lack of information excuse doesn't wash. This was happening when the cars had already been on sale for the best part of two years and the stock specs of other market transmissions - including gear ratios and the matching diff ratios - were written out in full in several sections of the factory service manuals for the North American market variants. Seems more like a lack of imagination from the dealer. Commendations to the original owner and his ambition for a sportier drive, but the dealership let him down a little.

I remember very well the 2000 roadster 5 speeds. I remember them because about 20% had a loose main shaft nut from the factory and we mechanics, at least those of us that had attended trans school, had to repair them under warranty. Given that the engine and trans came out as a unit the repair was a long and very unprofitable operation to say the least!

That's a very lenient take. Quite simply, Waverly Motors sourced and fitted the wrong part. They fitted an E4100 propeller shaft when they should have fitted the longer E8700, which was already available as a stock Nissan part. And having fitted the short shaft - with the splined centre joint clearly over-extended and NFFP - they sent the customer on his way. It was wrong then and it's wrong now. Waverly also appear to have sourced a competition option version of the FS5C71-A transmission, then took it apart to install a set of 'street' ratio gears when they could have simply ordered an off-the-shelf Nissan transmission which already gave them what they were building. Stock equipment in the rest of the world. You can call it Monday morning quarterbacking if you want, but Nissan had been knocking out FS5C71-A equipped Zs since late 1969 and it seems to me that a franchised Datsun dealer might be expected to have noticed. It was fully noted in the Factory Service Manual for the car. Harsh maybe, but I'd say fair.

Recently, I saw an ad for some Datsun NOS parts for sale. The photos didn't really reveal a lot, but the lot appeared to have some good stuff included, and the price was fair. It was an 8-hour round-trip away, though. After talking to the seller a bit, I somehow felt the urge for a little road trip to collect that stuff, so we agreed on a date. Unfortunately, we had heavy snowfall in the blackforest: After I made it across the snowy hills, the highways weren't any better either. Luckily, the weather changed after 2 hours and I eventually made it to the owner. A collector of various Toyotas, as he told me. He bought a Lot of Toyota parts, and the Datsun Parts were included. So he wanted to get rid of them quickly. Good for me. After an hour or so, my car was loaded to the brim with dusty and dirty old panels and various stuff. Luckily, we found even way more stuff than originally advertised. Luckily, the way home was much better, so once at home I laid out everything to see what i got. Most is NOS (new-old-stock) Datsun / Nissan stuff, still with all original Packing, Number-stamps or labels on it. Which makes it easier to identify the parts. It included various Emblems. Hubcaps, panels, lights, door hinges and whatnot. Even a few NOS gauges and some random stuff. Heater cables, etc. After sorting through the stuff quickly, i managed to find some nice and cool Z-stuff. A quick de-dusting makes a huge difference. Now, before you ask: Nothing is for sale here. I'll keep the Z-parts for my own project and I have an agreement with my friend, who takes all the other parts, so please don't ask.

It's the stock E4100 propeller shaft for 'early' (FS5C71A) equipped cars. It might look 'strange' because it has been fitted to a car with a rearward-mounted differential position, and is therefore over-extended on its splined centre joint. The car in question requires the longer E8700 propeller shaft specific to the updated, rearward, differential mounting position. EDIT: As Kats has pointed out above.