Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,549 topics in this forum
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Hey all, I'm having a repetitive clunking noise coming from my rear right wheel, in and out of gear, low and mid speeds. Also there seems to be a slight hopping from the right rear wheel. I jacked the car up to check the axle/u joint for any play, and couldn't budge them in any direction. Also the right rear wheel is very stiff, like something is dragging pretty bad. I have to have the wheel on to turn it, even then there is lots of resistance. The parking brake seems to be functioning normally, at least the cable position is the same on left and right wheels. There is some brake fluid leaking from where the metal line connects to the rubber line next to the strut.…
Last reply by vling, -
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Does someone have a purple 21tooth speedo pinion gear they aren't using? I have a brand new blue, red, and a white one which I don't need. Care to trade? Or I am willing to buy if you dont want to trade Thanks! -e
Last reply by EricB, -
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Is the stock r200 in my '73 240z a positraction diff?
Last reply by jmortensen, -
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Does anyone have a part # for the white 19 tooth speedometer cog for the the 3.90 rear end? I thought I had it and they sent the 17 tooth. Thanks Bryan
Last reply by LBO730, -
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Here is the story. In my quest for power on my 73 i am always fiddling. Always get more power when i fiddle I have a zx motor and dizzy 3 screw su's flamethrower coil. timing set to 14btdc. Here is the question. My plugs where set at .38 or so car was pulling hard. Running a little richer plugs dark dark chocolate. So me being me and cant leave enough alone i opened the plugs up more to .44 or so Power increased exhaust stench did too . Blows mild black when i crack here open at 7 grand. Power is better alot better. But now my plugs are sooty again. Is this a bad thing or did i now effectively make the plug colder buy opening the gap? Should i lean her out a little n…
Last reply by yetterben, -
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Anybody know where i can get cam shims for a 240z, MSA is outta stock right now? Tried Nissan, Black Dragon, no luck. Thanks Frankie
Last reply by jmortensen, -
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Do we have pictures or drawings of the different emmissions labels, for informational purposes? Mine is supposed to be "federal" emmissions, and since there is no label on the hood (or it was covered with undercoating) the exhaust guys are a little uncomfortable working on the exhaust. thxZ
Last reply by FastWoman, -
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on most forums there are sticky's at the top on common write up for motor info Did I miss that section some where Just looking to learn about what block and head combo's work best
Last reply by =Enigma=, -
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I got my 71 240Z started for the first time today. It idled around 1000 rpm (very rough) and the engine was shaking kind of bad, and a loud ticking noise coming from under the valve cover. I took it off to investigate, and this is what I found. The lash pad was sitting on the floor of the head and looks to be fully intact. The valve spring retainer on the other hand was mashed up a bit and is a little tight for the rocker guide to fit into. If I want to get the spring retainer off, I'll have to take off the camshaft and rockers, because I only have one of those universal valve spring compressors that gets blocked by the camshaft. My question is, are there any ways aro…
Last reply by richn100, -
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I have a 300ZX and the stock clutch slave cylinder has a rubber hose running from the metal pipe to the slave cylinder (about 12 inches) Way too much flex in the hose and looking to replace with a braided one. It does not have a screw on both ends like my 240z, but screw on one end and the round piece on the other end with a bolt through it (forgot what it is called) See link: http://i225.photobucket.com/albums/dd149/tvtanner/brakehose.jpg Any ideas where they stock these, or someone can make a custom one. Thanks
Last reply by 70 Cam Guy, -
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Well then! hello all! First of front Diff mount! solid or rubber ! What Do I gain to lose by swapping in a solid? more vibs and drive train noise? Which rubber or solid is best to buy and where? 2nd! Carbs! I got some dirty old weber DGV's rebuild them and learn them or buy some nice SU's? what the best cheap carb set up out there! Also ditching the air pump is it just as easy as talking the pump out and block off the lines? 3rd Tune up parts! I have a 260Z L26 Weeee! with a Mallory Dizzy and coil! what kinda plugs (NGK# ???) cap/ rotor and wires should I run ? Also Plan To install some new ground that run right back to the battery! any tips and help …
Last reply by aceofspades, -
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So, as most of you know, I am converting my L26 to Ztherapy round tops. I am bypassing the coolant passages through the intake manifolds and carbs, and have a question about that. I have taken off the coolant pipes/thermostat assembly on the back of the engine, and will run a single heater hose from the outlet assembly for the lower radiator hose straight to the heater core. Now, my question is about the intake side of the engine. There was a hose outlet assembly that screwed into the thermostat housing that had 3 hoses on it. All 3 of these hoses went to either the intake, balance pipe, or carbs. So my question is can I simply plug that outlet? If not, do I need to T a h…
Last reply by g9m3c,
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