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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- 1 reply
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does anyone know the thread type and size of the oil pressure sender unit on an L series? also where can i get a t-piece to fit into the block here?
Last reply by Chino 240Z, -
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What kind of exhaust would you guys recomend for an 83 280zx turbo. I would prefer dual tip, any recomendations? Also how hard would it be to make a cold air intake for my 280?
Last reply by Tuuuurbo, -
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ok about 4k and after my engine seems to stutter somewhat , is this caused by not getting enough fuel? im three turns out on my SU;s but i have a decent amount of mods, i set the timing with a vaccum gauge to about 14 on the balance tube. valves recently adjusted hot to .010/.012 any help gettin this thing dialed in would be appreciated. my mods are as follows L28/E88 P&P head,stage 2 cam,bored .060 over, lightened flywheel,ported intake manifolds, polished Z therapy carbs, Top end performance longtube 6 into 1 header, Pertronix ignitor system with flamethrower coil. way..
Last reply by Doehring, -
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My 1st post. I have a '72 240z with 2.8 bottom & original 2.4 top. Wondering if a ram air setup would help with HP?? If so should I close the warm air intake? Summer driver only. Thanks.
Last reply by landmizzle, -
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So has anyone done a 240z conversion with a late model Nissan V8 the twin cam 4.5 all alloy motor must say for the price they look very interesting. Would luv to hear if anyone has done or seen this conversion Mick
Last reply by zed240au, -
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I have just aquired a '72 240Z with a 280Z L28 engine. Here is where it gets tricky.... new sparkplug wires, coil, and Optima battery. Still not cranking. It all started with me and my wife trying to jump the old battery. We got a quarter of a crank but that was it. Then the next step was to put the new battery in. NOW from the ignition, I don't even get a crank. I can hear the (I guess) starter relay clicking but nothing to the starter. Took the starter off, works as advertised. Put the starter back on, still nothing. Then back to the starter....I put the jumper cables on my other car and took the - and mounted it right to the - on the starter. Then taking the + side of …
Last reply by 240Zdragon72, -
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Hello folks Can anyone suggest a good wrecking yard, or such where I can pick up a complete L6 engine that I can rebuild for my 71z ?? I'm thinking about maybe swapping a 280 Turbo in place of the normal L6. But I need a reputable yard that can give me the option of either or, to start at.... Thanks
Last reply by nutxo, -
Burning oil
by dga- 3 replies
- 2.3k views
Recently changed to synthetic oil, Syntec 5W50 from Castrol 20W50. 77 280z has 37k original miles. Engine has good compression and works well. But, has started to show a little oil smoke when rpm > 4500, none below. Oil consumption is 1 liter (qt) /2500 miles. Switch to synthetic probably losened some dirt/varnish that has caused the oil rings to stick allowing some high rpm blowby. Pcv valve is good. Considering an engine flush to free up/clean oil rings. Any experience or recommendations re my situation/strategy?? Thanks!
Last reply by LanceM, -
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http://ebay3.ipixmedia.com/abc/M28/_EBAY_65c411d872ae9f99d00d3f9b384f9299/i-9_B.JPG Check out this turbo Z. I want it BADDDDD. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=6187&item=2424530700
Last reply by brianglawson, -
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ok i was wondering about if it was possible to mount a jdm datun head to a stateside motor like the twin cam 4 valve head or maybe the crossflow head found on the rally cars also where would i source one??
Last reply by brianglawson, -
- 7 replies
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I have a 73 240z that leaks oil when the engine is running. It does not seen to leak when the engine is off. A friend told me that this was a spesific symptom of a leak at the oil pump, and that I should look in to replacing it. Has any one heard of this before? And couldn't the oil stop leaking when the engine is off because there is no pressure in the system, therefore the leak could be anywhere? thanks Madsoul
Last reply by rudds67, -
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hi, befor i did anything the engine was running fine.... i put some mystrye oil in the crank case and some gas treatment in.. now it is smoking ... the color of the smoke is white.. so its the gas right..? as i rev it up>> it smokes out a ton and some comes from the engine conpartment... also its leakin oil from some where... i jacked it up and it was driping from the exhouast pipe connector that runs in to the header... ithink is driping from some where on to that.... my dad said its not B/C of what i put in it.... but idk.....#@#$? steve
Last reply by rudds67,
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