Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,568 topics in this forum
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Can anybody tell me what kind of petrol does a 240 need? Leaded or unleaded. This particular car is a 1972 US 240Z with a complety stock engine. At the moment i'm using an lead-alternative to enrich the petrol, just to be on the save side, but it is pretty expensive stuff, and when the engine doesn't need it I will be glad to get rid of it. Thanks Emil
Last reply by texasz, -
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Looking for the phone number of Nissan Motorsports... I am in need of a set of teflon w/pin buttons for my L6 engine. I need to call these guys to see if they have any lying around. I know this is old tech stuff but it will work on my engine. I am putting Z22S pistons and they use a press fit pin. I have the rods already sized and they are floated. I need a set of wrist pin buttons to put the bottom end together. Anyone know where I can order a set of these buttons? Links? Web page? Phone numbers? __________________
Last reply by ZSaint, -
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My 280z (EFI) idles at a steady 1000 rpm when at rest, when i start driving however the idle jumps up to 2100 rpm. Its stays high, until i come to a stop then it drops back down to 1000. If I am moving at all the idle is too high!! Help me please
Last reply by 28oz, -
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My 72 240Z has the original muffler and resonator and the muffler chrome is getting a little rusty and so I'd like to replace it with something that looks and sounds better. I was originally thinking of using a Monza tip, but apparently they don't make them anymore. I don't really want to replace the whole system just the muffler at this time. What can I put in place of the stock muffler that will look nice and sound lower and more throaty ?
Last reply by chickenwafer, -
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I was cleaning up my diff strap ready to fit my LSD and remembered this item. What are peoples thoughts on using something like this vs. the OEM diff strap. Thanks
Last reply by beandip, -
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Hello to Everyone Out There!!! This is my first post that I've made on this site so please frogive me if I say anything dumb :nervous: . I have a 78 280Z with the five speed, all stock, which I pulled out of the woods last spring after it sat behind my house for the last 17 years (this was my uncle's old car) I now have it running awsome and inspected but I have a problem that I have not been able to solve. I just recently changed the transmission fluid and it now shifts hard from first to second gear unless it is very warm out or it has been driven for quite a while. It did not do this before I changed the fluid and all other …
Last reply by =Resurected280=, -
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hey guys, I've had this problem where when i drive with my windows down i was getting a mixture of exhaust and gas smell in the cockpit and coudn't figure it out. I've since decided after driving with windows up that it is not the rear hatch seal. After i run the car, when i let it park and then pop the hood there is a strong smell of gas/exhaust mixture. There is also a somewhat low sounding whistle at idle. Does anyone think that the overflow valves on the su's can be letting out enough gas vapor to make it smell like that? or does this sound like i possible have a leak in my gasket for my header at the cylinder head? i would appreciate help cause this problem has …
Last reply by Ed, -
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I finally did it. My baby is running! It has taken too long, but I have done it. I like many others put the distributor driveshaft on one thread off, but now I am in good shape. This car is running on triple DCOE 45s, and it idles very poorly. It will idle very very roughly at around 550 RPM. I usually hold the throttle down alittle bit to keep it alive. A few other things I have noticed is that even though I have not driven the car, some oil drips out of the rear diff. Also, I have not seen a very good reading for oil pressure. The reading is too low and I wonder if is correct. Lastly, there is a slow oil leak where the front cover meets the block. Is there a…
Last reply by Dans240z, -
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This should be a easy one. Tired of bumping the car to move the engine. Messing with the points and such. Would someone tell me the size of the bolt on the front pully. Thanks in advance.
Last reply by helopilot, -
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If it is even possible or has anyone ever attempted to supercharge a 280Z. I've seen them on some of the newer rice rockets, but was wondering if anybody has seen this set up on any early model Z.
Last reply by Murph, -
Found out that Nissan does NOT make gas tanks for the early Z-cars anymore. On discussion with some of the restoration specialists at the Z-Store, I found out a way to make my existing gas tank like new. It's a four step process: Boil the tank. Have it cleaned up inside and out. You can take it down to your local engine or radiator specialist to get this done. They will hot or cold dip it in acid to eat off all of the grime. Sandblast the tank. This can be done by the powder-coat specialist. Or, feel free to do it yourself if you have a sandblasting attachment for your air-equipment. Powder-coat the outside. Take the tank to your local (or maybe not so local) p…
Last reply by TomoHawk, -
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My slave cylinder took a $^!# on me yesterday. I'm going to replace everything; slave/master, ss line, etc. The only part i can't find is the spring. Mine is rusty and about to break. I searched but can't find any mention of it. Thanks...
Last reply by civ104,
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