Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,574 topics in this forum
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Hey Z car fans, I have a 1974 260Z vintage race car. In the rear it has an R200, stock half shafts, and stock stub axles, stock hubs, etc. A very odd issue is occurring since I put the rear end back together. When I tighten the lug nuts, the left rear axle does not want to spin at all! When the lugs are not tightened, it spins fine. The car is not drive-able when the lugs are torqued as it can barely move and makes a sound that sounds like it is coming from the hub of the left rear. I recently had the trans, drive shaft, diff, half shafts, and female parts that go over the stub axles and held on with the big nut out of the car and reassembled it. Right now I am …
Last reply by oranngetang, -
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Hi All, First off I apologize if this topic has been covered elsewhere. I though I've researched the forum good enough, but I have not been able to find good discussion that would cover this topic extensively. If there is a threat out there that you know of, please point me to it. The problem My 280Z radiator is leaking slowly at the very top. It does not leak when sitting in the garage, but shortly after I fire it up is sips and splatters the coolant in the engine bay and on the hood. I'm looking at replacing it with an aluminum radiator. I plan to use the car form spring to fall, no winter driving. Mostly for driving to and form work but also for weekend SCCA aut…
Last reply by Marios280Z, -
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Attached is the checklist I made for pulling the engine / transmission from my 1972 240Z. It takes you up to removing the engine mount and transmission crossmember bolts. I used the Removal Note column for bolt / nut size (might as well replace them as long as they are out), part bag names, idiosyncratic electrical connections, etc. Hope someone else finds it useful! Chris P.S. Apparently not allowed to upload Excel files, converted to .pdf. Sorry about including 2 blank pages at the end. Engine Removal Checklist.pdf
Last reply by Jetaway, -
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I placed the order for a Rebello 3.0 so at some point a mostly complete motor will be brought home to swap into my running car. I have done motor swaps on other vehicles but I am not a professional mechanic, what could I be forgetting? Heres my current list in no particular order: Have gaskets on hand for valve cover, water pump, intake/exhaust Lots of engine brite for cleaning empty engine bay and transmission label wires and tubes fluids for new motor clutch? oil change for manual transmission repaint engine bay replace battery tray New fuel lines Beer, bbq and weekend with friends I have left off the plug wires, cap/rotor, belt and water hoses because they have alr…
Last reply by Kurbycar32, -
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Hi all, new guy here. I will take this opportunity to introduce myself and my car. About me My name is Mario, I live in Cedar Rapids, IA. I'm in my low 30s (for those who care), I like to work on cars, but I don't have a whole lot of detailed experience, however I'm very willing to learn. In early April igot the car (I wasn't necessarily looking for one, it found me). I've knew about 2X0Z for a while (my father in-law has two of 240Z sitting in his backyard rusting away ) but when this deal came I could not refuse. About the car 1978 280Z, 59,XXX miles when I got it. Original, survival (I have all the original paper work including signed contract from the deale…
Last reply by Zed Head, -
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I have 71Z with F54 block and triple Mikunis. I was thinking of putting a catch can on it. Any opinions? Thank you.
Last reply by timsz, -
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I picked up an unleaded filler neck from the wrecking yard a couple of months ago to see if I could get it installed in my 1976 leaded filler neck, to make it easier to fill at the stations. I racked my brain for a day or two trying to figure out how to get the filler neck mounted inside the gigantic 1976 pipe, but couldn't come up with anything so I set the parts aside. Then the other day my simple-minded brain part took over and I came up with an easy way, using a drill, a tap, three holes, and some screws. The filler neck came from an older Dodge van, I believe, mainly because it was easy to access from under the fender. There's about 10 inches of pipe still att…
Last reply by Matthew Abate, -
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Off topic alert. I'm asking here because the level of experience is much higher here than where I should be asking. I just bought a cheap disposable Hyundai. It was overheated significantly by the previous owner and because of that, it needs engine work. No surprises here. I knew about all that before buying it and I got it cheap enough that even if I have to replace the engine completely, I think I did pretty well. Here's where I am... I know the head gasket has been compromised and I'm assuming that the head has warped as a result of the heat and will need to be planed flat. But before I pull it apart, I'm trying to figure out what else is wrong. I don't want to dump …
Last reply by Bonzi Lon, -
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I have a Tilton flywheel I want to use on my 240. Street use only and I don't beat the 43 year old car. Stock or maybe a Centerforce II? Thanks for any replies. Cliff
Last reply by siteunseen, -
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Hi, so I'm a bit confused at what advance I should set my L24. My manual state 10° BTDC for engines with antipollution systems and 18° for engines without antipollution systems. My engine is a L24 wich initially was with antipollution but the previous owner removed all that crap. Engine has roundtop carbs, headers,... No airpump, no EGR nor fuel reservoir recuperation... So what timing advance should I adjust my dizzy at? 10° or 18°??
Last reply by djwarner, -
- 2 followers
- 15 replies
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Over the past two-three years my 82-83 ZX trans in my 73, rebuilt about 10 years ago with new bearings and syncros, has been making more and more gear whine noise. Not all the time, but specifically in 3rd and 5th. Most noticable on the highway. In forth it's mostly not there, but move to 3rd or 5th and it got noticably louder. During the last trip to the coast, a rising, whining noise when downshifting started to get worse too. Specifically as you pushed the gearshift into the next lower gear prior to letting the clutch out. Going into 3rd was the worst, but other gears were starting this racket too.. oh well, I'm thinking, time for some work again. Couple weekend's ago…
Last reply by zKars, -
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Last summer, I noticed I had some pinging under load (up a gentle hill in 4th or 5th gear) while driving home from a show in Rochester. When I checked my timing the next day, it was dead on what I last set it to in the early Spring. Took it out for a drive, similar temperature and humidity, no problems at all. Not long after that, I started noticing that my idle was occasionally high at stop lights. Not much, just a couple hundred rpm. I figured something was sticking, so when it happened once when I was parking anyway, I jiggled various carburetor, throttle, and choke pieces, but no change. I figured I'd do another minor tune-up, so when I went to do that and was letti…
Last reply by BadDog,
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