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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If I do in fact as I suspect have an N42 block and an N42 head..Can I replace the dished pistons with flattops..? I've been told that if I do it will raise my compression and therefore give me more power..I currently own a 74 260 with an obviously later year l28. The engine has been bored out .020, I think (The former owner wasn't sure how much)and I'm dseperatley seeking more torque..I also believe that I have a second stage cam, SU carbs, and a turbo flywheel. I have no idea how much torque or Hp I currently have but my goal is 200-220 hp..Any ideas..? Thanks in advance
Last reply by 2ManyZs, -
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Go see the link: http://www.geocities.com/bern_on_yahoo/TheHead.html Does that fit on my engine (1972, 2,4) ?????
Last reply by Akir-ra, -
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New Nissan COMP clutch disc with new Mueller 225mm 7.5lb racing flywheel for L16-18 $450 THATS THE KIT FOR BOTH OF THE, LET ME KNOW GUYS THNX I HAVE A L24 71240Z ENGINE.
Last reply by 2ManyZs, -
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Is it crazy to do that? How complicated? Any opinions? Since I have to rebuilt my engine, just wondering, yes, I will denaturate the soul of my ZED, but it's a good kick in the butt!!!:devious:
Last reply by carguyinok, -
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where can you get a heat sheild for inbetween the headers and the intake for a 1973 240z. Or is it easy to make?
Last reply by carguyinok, -
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Heya--I've got a L26 that I'm putting fresh air filters (K&N) and a freer flowing pipe on. I may put a new cam in it in the near future, but that can wait. As long as I have the carbs off, should I be increasing the main jet size? As for parts, should I shop further than what's in the Motorsport catalog? How is the 17033 cam in there? The springs? I've heard that Crane is good? What about the Taylor spark plug wires? I already have an upgraded distributor--a high perf coil worth going to with the wires? I read the thread about power drop off at higher rpm--I think this is probably a gas flow problem (I think there's a baffle loose in the muffler), as the rest o…
Last reply by santamaus, -
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This is more of an FYI than a question but I did think it worthy to mention: I swapped out my stock 180F thermostat along with a brand new thermostat upper and lower housing in the Z yesterday. The new thermostat I put in is rated at 160F. As a result my temp needle which used to roam between the "M" and "P" of our temp guage during these past few weeks of SoCal 90F heat now is locked and will not move from between the "T" and "E". I am surprised that a 20F difference in thermostat temperature would make that big of a difference in our temp guage but then again seeing just how poor the rest of Nissan wiring is on our cars... who knows, right? :stupid: -e
Last reply by EricB, -
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hey all somewhere else theres a post sorta like this one but this is newer anyways..... lets say hypatheticly speaking i had 4600 dollars and a 71 240z in diar need of restoration. my friend and his dad are both mechanics and his uncle is a machinest who can bore my engine for free. the car needs as far as mechanicly speaking ....everything. what i want to do is as i build this car with the money i have replace the old parts with new or rebuilt high performance parts..... i want a posi rear-end so which rear end whould you recomend for my z? also i want a new tranny 5 speed, my friend can rebuild an engine for me for free. also is there any where that they sell …
Last reply by 71datsun240z, -
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how much should i bore over my cylinders for my triple dellortos ill be getting soon they are 40 mm carbs i can get the borejob done for free but i dunno how much over i should go
Last reply by shock96, -
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hey all which 280 engine can i drop into my 240z? which year ? because i want to have a 5speed and a bigger stock block
Last reply by 71datsun240z, -
CD-Rom
by esloekwwjd- 0 replies
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Hi, I tried to ask a question last time about CD-rom parts, but since I am new in this forum. Maybe my message was lost somewhere. Where can I get cd-rom? O yes another thing, where can i buy the fuse housing? Thanks Esl
Last reply by esloekwwjd, -
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This '79 I am dismantling had the lower end of a N47 in it. The front three pistons have a "2 3" stamped into the top and the back three have "3 4". What does this mean? Also the tops of them are scratched somewhat like someone scraped the carbon of them with a putty knofe or something. A couple of them look like someone too a file to the uppermost lip around the dishing. Also, what is the acceptable 'loosness' of a block? With the head off (obviously) and the disty/oil pump removed, I can quite easily turn this thing over with my right hand with the damper pully while 'feeding' the timing chain through my left hand. steve77 steve79 is fast becoming a large pile on …
Last reply by Zvoiture,
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