268Z

I recently was having trouble getting the nozzle on one of my 3-bolt SU carbs to completely return to full-up position with the choke cable(s) in the OFF position. I tried everything, cleaning the nozzles, cleaning the carb body, ample application of lube, bending the thin tab, different positions of choke cable clamping, even installing a brand new needle, but the rear carb's nozzle just wouldn't return snug to the carb body on its own. It would stay if you pushed it up by hand but would not return on its own. I resorted to installing a spring to the linkage to help pull the nozzle up. It works great! Interestingly, the linkage arm that the spring is attached to already has a factory notch cut in it that, as far as I can tell, serves no other purpose. 🤔 So, here's a possible solution to your nozzle problems when nothing else works.

No worries. Thank you for the response - I just did a search for Volvo suspension bolts and found some that do look like yours. The ones you have look like they were originally made to be dowel pins (tools) for transmission installations, so I thought I'd ask. I've recently obtained some 10x1.25 bolts that I will be modifying for installations, so I'm set. Thanks again!

Ya, I'll measure with the gasket. The one I have on hand is OEM. EDIT: My mistake. I should measure without the gasket per FSM. Good point about making sure the bearing is fully seated on the shaft. I'll check that. Could also be maybe someone replaced that bearing with one that was a tad (very tad and unlikely) wider than OEM.

So no preload? OK, I do have a depth gauge (actually shown in one of the photos above) and will try measuring it first. If it measures <.1mm then I'll probably just leave it without a shim. It does appear to have been working the way it is without any issues. Thanks again.

Thank you, Zed Head! I'm going to go ahead and pick one up. zcardepot has a .3mm shim available. I did see in the manual regarding taking measurements but wasn't sure exactly how to do that. Plastigauge? I also didn't know it's supposed to preload so thanks for mentioning that. I'll do a dry fit with a .3mm and see if the front cover bottoms against the case easily or not. If it's snug then I'll check for any unusual noise or resistance by turning the input shaft. Also, thanks for the link to yoshiparts. I'm stateside but they may have something I need in the future.

Has anyone ever pulled the front cover from an FS5W71B and find no shim between the front countershaft bearing and front cover? There isn't a shim on this one I recently purchased. I know it's been run in a car without the shim but don't know for how many miles - I wasn't able to see/hear it run while in a car either. Everything seems to checkout when turning the front shaft by hand in all 5 gears and reverse; no ablenormal slack or funny noises (checked before removing the front cover). There was no worrysome shavings on the drain plug magent. All the gears and internals appear to be in great condition. The front cover does not show any abnormal wear where the shim would normally go. As far as I can tell the front of the countershaft bearing and main shaft bearing are on the same plane (is that correct?). If anything, the counter shaft bearing may be about .04" forward, but there's a normal degree of slack in both bearings' outer rings that could cause it to look that way. So what should I do? Run it as-is or buy a shim? The FSM describes the shim as a shim, not a thrust washer. If it were a thrust washer it would definitely something I'd buy and use.

HusseinHolland, where did you get these transmission dowel pins? I can't find any online that are metric. I have a few extra bolts I can use to make my own dowels but would like a set like these.

Thanks, inline6. The transmission I’m working on has the single ear. I believe the1980 FS5W71B was the same as the ‘81-83 5-speeds, with the only difference being a different over-drive ratio. I’ve confirmed, via turning the input shaft and comparing the rotations in 5th gear of the output shaft, that mine is the ‘81-83 variety.

Thanks, EuroDat. That’s kinda what I’m thinking too about there being a little extra durability for use on a 4x4. Thanks for the other info as well. I’m putting this “K” R180 in my 240Z and will be using a pair of “buttons” that allow the original 240Z’s stub axles to bolt onto it like the factory R180 that came with the car.

I've done this exact same thing before as well. Works!

OK.Ya that answers my curiosity. Figured it wasn’t a super rare transmission but thought I’d ask. I’ll check 5th gear when I get home to see what rario it is.

I’ve recently acquired an R180 “K” differential (4.11 gear set) that has a metal breather on the top. I can’t find anything using google that matches it. Anyone know something about it? I don’t know what vehicle it was originally removed from (maybe a front unit for a 720 pickup?). It does not have a limited slip. Just curious about it as I haven’t found any information from any make/model that used a metal breather like it.

I’ve recemtly acquired a close-ratio 5-speed that, I assume, is a FS5W71B. While checking over and cleaning it I see there is a marking that says “#2” (see left side of photo). The # is part of the casting but the 2 has been manually stamped into the aluminum. Being curious, I did some googling and didn’t find anything other than some information on “competition” transmissions that could be had with three different gear set options, described as “1”, “2”, and “3”. Anyone know if this stamping of a 2 denotes the transmission as being a competition variety? Or is it just a common stamping that references something else? I haven’t yet turned the input shaft to count the rotation of each gear.

Sorry to resurrect this old of a thread (it's been informative in my research regarding luggage straps) but how cool is that?! The S30 with the VIN HLS30 00240. That's a keeper!

Found it. SOB. It was with the extra freeze plugs I have. Fun times! Lol. Thank you for the replies. And yes, turning the pump CCW. Gonna shoot for having it all buttoned back up by Saturday. Wish me luck!