misspentyouth

Here is my new 1974 Datsun 620. It has 54,000 original miles, garage kept, one owner. Still has the original key chain that came when car was purchased. Also has the plastic warranty card still inside the warranty brochure inside the glove box. Truly a barn find. Just put a Webber carb on it. Runs like a top!! Just trying to decide what to do with the wheels. Go custom or just put larger painted steel wheels on it. Decisions decisions decisions!!!!! plastcic mm

I found a new gear on a Datsun Z website for 16 bucks. The truck had not been driven for about 13 years, it had just sit in a garage. This apparently caused the shaft going to the pinion gear to seize up with gunk within the housing itself. The shaft being seized caused the gear to get flat spotted where it was engaged with the gear inside the tranny. the bolt and key were located above the speedo cable mount like the first pic you illustrated. Should have it repaired sometime next week. Thanks again!!

First of all I would like to give thanks for the assistance I received on carbs. I replaced my stock carb with the suggested Webber and I must say that it was an easy install and my motor grew teeth and now runs like an angry beast. On to my new problem. I have been troubleshooting my non-working speedo. I just pulled the drive pinion out of the tranny and the gear is worn smooth on one side and the shaft does not spin freely. The whole assembly needs to be removed and replaced. The gear is red and is made of plastic. Do you know where I can obtain this particular part. I called the Nissan parts dealer, they were of no help. I would love to show pics of my sweet one-owner 620 but I cannot figure out how to post pics. Directions on this would be appreciated as well. Thanks again to the help I have received from the ratsun forum.

I have an open vacuum intake tube on the right side of the carb. I don't know if I should cut it off, or if it goes somewhere I cannot tell. Also, how difficult would it be to put a 4-barrel carb on the l18 motor. And, if so, what model of carb would you use? any help would be appreciated.