8m0untainman8 Posted August 20, 2017 Report Share Posted August 20, 2017 I recently took the motor (l20b) in my 620 apart to do the head gasket, and took the head (U67) in to have it shaved. This is the first time i have done this so remember, im a fkn new guy. I removed everything but the rocker arms, and little springs, etc. And took the head to the shop. After picking the cleaned head up, and discovering everything had been removed i started counting pieces, and discovered something missing. I have all of the springs, and rockers, the piece missing is one little flat cylinder with a groove through the top. They sit on top of the valve and the rocker arm sits in the groove in it. The issue is 1.) I dont have any idea what the piece would be called. 2.) I have no clue how i could obtain another one in the case that the shop doesnt have it. (Its the weekend so i cannot call until monday.) I need help from the datsun world. If you guys have any advice, or if you could lead me in the right direction i would be very grateful. Thank you all in advance. 1 Quote Link to comment
john510 Posted August 20, 2017 Report Share Posted August 20, 2017 Lash pad is what you're missing.Did they number the parts they disassembled ? 2 Quote Link to comment
8m0untainman8 Posted August 20, 2017 Author Report Share Posted August 20, 2017 No, they put them in a sandwich baggy, i was wandering about that... the rocker arms have engraved numbers on them. 1 Quote Link to comment
76Lil Hustler Posted August 20, 2017 Report Share Posted August 20, 2017 Wow, I cant believe how they treated such a classic. that's bad business. 1 Quote Link to comment
datzenmike Posted August 20, 2017 Report Share Posted August 20, 2017 Maybe they hot tanked the head because you don't need to take all that stuff off for a shave. The rockers should be returned to the position they were in when taken apart. Ask them where it is and can they look for it. Also what are the numbers for, is it front to back? 1 Quote Link to comment
8m0untainman8 Posted August 20, 2017 Author Report Share Posted August 20, 2017 The head was hot tanked, i have pictures but nothing else to refer to for the position of the rockers. I turned the motor to the correct position before dissasembling though. the numbers on the rockers vary, it might have been at and front, there are 8 rockers, and 4 numbers. So 4 sets of 2 matching numbers. It was like r25 r25, r28 r28, r33 r33, r38 r38,(not exactly but best example i can give. I habe a chiltons manual for reference to reassembling once i get the piece back. Im honestly a little surprised they were so non shalant about a 41 year old head too. Then again i dont have prior experiences to refer to. I just took the opinion of a few friends, and what i had read online about a shop near my friends house. 1 Quote Link to comment
datzenmike Posted August 20, 2017 Report Share Posted August 20, 2017 I guess next time take things apart yourself and ask a lot of questions. 1 Quote Link to comment
8m0untainman8 Posted August 20, 2017 Author Report Share Posted August 20, 2017 Definitely. How hard will it be to replace the lash pad if they dont still have it sitting around? Do you know where i could come across another? 1 Quote Link to comment
wayno Posted August 21, 2017 Report Share Posted August 21, 2017 Where in Washington are you? Are 210 head lash pads the same as U67 head lash pads? 3 Quote Link to comment
Doctor510 Posted August 21, 2017 Report Share Posted August 21, 2017 Where in Washington are you? Are 210 head lash pads the same as U67 head lash pads? YES! 2 Quote Link to comment
datzenmike Posted August 21, 2017 Report Share Posted August 21, 2017 Z car and Maxima six cylinder ones will work also. Any L series, all the same. 2 Quote Link to comment
8m0untainman8 Posted August 21, 2017 Author Report Share Posted August 21, 2017 Where in Washington are you? Are 210 head lash pads the same as U67 head lash pads? I live near Puyallup, thank you, everyone for the info and help. 1 Quote Link to comment
wayno Posted August 21, 2017 Report Share Posted August 21, 2017 I live near Puyallup, thank you, everyone for the info and help. It helps if we know what city you live in, if you had lived in Vancouver I would have given you one if you picked it up. 2 Quote Link to comment
8m0untainman8 Posted August 21, 2017 Author Report Share Posted August 21, 2017 It helps if we know what city you live in, if you had lived in Vancouver I would have given you one if you picked it up.Hell i would come pick it up if youre still willing to give it to me. The shop who did my head is claiming their breakdown guy didnt ever get it in the baggy of parts. My response was "i took the cam out, and left the rockers and valves assembled, it was never apart before it got there." Which is a true statement. So unless my truck was driving without a lash pad -_- it should have been there. When i talk to them again im going to go over the fact that nothing was labeled, or that i would have prefered to have them call me and tell me to finish disassembling before proceeding. 1 Quote Link to comment
wayno Posted August 22, 2017 Report Share Posted August 22, 2017 Hell i would come pick it up if youre still willing to give it to me. The shop who did my head is claiming their breakdown guy didnt ever get it in the baggy of parts. My response was "i took the cam out, and left the rockers and valves assembled, it was never apart before it got there." Which is a true statement. So unless my truck was driving without a lash pad :sleep: it should have been there. When i talk to them again im going to go over the fact that nothing was labeled, or that i would have prefered to have them call me and tell me to finish disassembling before proceeding. Your over 2 hours away from me going 5mph over the speed limit if you live in or near Puyallup WA, there has to be someone way closer to you. Someone up there has to have a 210 head they are scrapping, if there is any 620 in a wrecking yard up there with an engine it will have what you need and it is a lot closer. 1 Quote Link to comment
datzenmike Posted August 22, 2017 Report Share Posted August 22, 2017 My response was "i took the cam out, and left the rockers and valves assembled, it was never apart before it got there." Which is a true statement. If you took the cam out there's nothing to hold the rockers or lash pads in place. It could easily of fallen out somewhere if the head was tipped on it's side.. 1 Quote Link to comment
flatcat19 Posted August 22, 2017 Report Share Posted August 22, 2017 Your over 2 hours away from me going 5mph over the speed limit if you live in or near Puyallup WA, there has to be someone way closer to you. Someone up there has to have a 210 head they are scrapping, if there is any 620 in a wrecking yard up there with an engine it will have what you need and it is a lot closer. If there is a 620 in a yard, you may be better off grabbing the cam, carriers, rockers and pads as a whole set....this time labeling them before removal. 1 Quote Link to comment
datzenmike Posted August 22, 2017 Report Share Posted August 22, 2017 Lash pad???/ Stick it in the mail. 1 Quote Link to comment
flatcat19 Posted August 22, 2017 Report Share Posted August 22, 2017 Carrier pigeon? 2 Quote Link to comment
datzenmike Posted August 22, 2017 Report Share Posted August 22, 2017 If wayno had mailed it on the 20th, you'd be driving it right now. 1 Quote Link to comment
wayno Posted August 22, 2017 Report Share Posted August 22, 2017 If wayno had mailed it on the 20th, you'd be driving it right now. No, I would still be standing in that stupid line at the post office waiting to be helped, if there are 6 people in the line that is anywhere from a half hour to an hour, I HATE that place, the only reason I go there is to drop off already stamped mail I want to be post marked that day/the next day, otherwise I avoid the place. I also will answer this question now, the reason I don't just put it in an envelope and send it is because they don't like hard pieces of metal in envelopes, it gets jammed in their sorting machines and then has to be hand sorted, they want more for hand sorted mail so we are back to that line at the post office, ask Mike K. what it does to the sorting machines when there is an irregular hard spot in a normal/regular envelope. I also have taken a piece of envelope sized cardboard and cut a hole in it for the hard part in the center to ship something before, they were not happy. 2 Quote Link to comment
datzenmike Posted August 23, 2017 Report Share Posted August 23, 2017 I would never suggest an ordinary envelope. First it would be over weight and second it would be sent back. Here you can buy a padded envelope for about $5 (US) includes postage I believe, and anything that will fit in it. It's more of a package than a letter. 2 Quote Link to comment
Charlie69 Posted August 23, 2017 Report Share Posted August 23, 2017 I am curious as to why the shop did not assemble the head they obviously took apart? Be sure you put the cam towers back in same position they came out of. How much was milled off? you might need to shim the cam towers. Mike or Doc510 would be able to tell you at what amount of shaving requires cam towers to be shimmed. I do not remeber at this point. Quote Link to comment
8m0untainman8 Posted August 23, 2017 Author Report Share Posted August 23, 2017 Holy hell lol. I've votten ahold of a few people around here, and the shop said their core supplier could send one for me, and have it today. Quote Link to comment
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