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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yah i know i got alot of questions after visiting this site =) The Valves they have for sale here...do they flow better than the 280z valves that everyone says to replace into your 240Z head? Nismo Valves Thanks Matt P.S. what valves do people say are the best flowing for the 240 Zed Heads?
Last reply by kmack, -
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Is there an electric fuel pump in a 73 besides the mechanical one? I think chiltons says there isn't but I've seen posts saying there is. My car seemed like it was getting fuel but then it would die and be hard to start. I wonder if that was part of the problem( I changed the fuel filter up front). The car had old gass in it that I drained. I would look at it but it is in the shop getting a tranny swap. Thanks again for any help you can give! Mark
Last reply by Royce, -
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i was wondering i was reading about valve adjustment on www.Zhome.com they stated a cold adjustment of .008 intake and .010 exhaust cold then hot .010 and .012 hot respectively. they dont go into much detail. are they talking about the distance between the lash pad and the cam. if so is there any special way the cam should be set etc. can anyone give me more information. thanks james
Last reply by Royce, -
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Hi, Does anyone know if there's a difference between a NA and a Turbo Intake Manifold on the L28 engine? Which one is better suited for Turbo application (I assume turbo intake for turbo car but...). I think the NA manifold has an extra cold start injector. What does it do? BTW, know what "WOT" stands for? Oh and also, how much should I expect to pay for an intake manifold, NA or Turbo, in a good to decent shape? Thanks, -Guycali
Last reply by Rags, -
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I've been on here for the past month or 2 asking questions about all 3 diffent Z engines ( L24 L26 and L28 ) My story is like this for anyone who doesn't know.... I leav for basic training ( us army ) in 3 weeks, and when i get back, i will be getting a Z, just not sure which one =) Heres what im looking for, something i can turn into an awsome looking car ( 240 260 and 280 all fit here ) something i can perform my first engine re-buid on ( again all 3 ) something i can mod with all the neat stuff ive been reading on the web ( triple webers, converting FI to Carbs, putting in a new cam, headwork blah blah blah ) and something that will kick the living $!#@ out of my couz…
Last reply by Mike, -
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Does anyone knows how much does the L26 and 24 weight? i'm considering swapping the engine for VG30DETT and was wondering what's that gonna do to overall weight of the car.
Last reply by 2ManyZs, -
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Can sombody explain the difference to me? I don't understand. steve77
Last reply by 2ManyZs, -
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I'm sure you folks have been over this more than once, but since i'm new to this forum I'll ask again. I've read on many a sight they stock H.P. ratings for the Z cars. I'm mostly concerned with the 1970-1978 models as that's what i may end up buying. I want POWER as much stock as i can get. I know weight ratio plays a factor as well. Anyway I got my used Chilton's manual in the mail today and notice the posted H.P. ratings for the engines being as follows. 1970-73 151@5600 RPM 1974 162@5600 RPM 1975-78 170@5600 RPM The 1970-73 H.P. rating looks right, but the 2 others look wrong. I've seen elsewhere the 260z having 139 and the 280z having 149. Although …
Last reply by WishN4DaZ, -
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I noticed that one member in the photo galleries section had an RB25DE motor. A couple of questions come to mind: 1) Is this the Skyline GTR Motor? 2) Does this use the same block as the L6 (i.e. is this a direct bolt in for a 240Z)? If that is the Skyline motor, from what I read it has many many ponies.
Last reply by Gav240z, -
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i have a 1977 280z with auto 3 speed ....and a 1982 280zx with 5 speed stick ...can i take the motor and tranny from th 82 280zx and put them in the 77 280zROFL
Last reply by gmoney, -
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Fellow Z riders, I have a problem with my 1983 ZX. When I'm cruising around 3000 rpms the engine studders like it's not getting enough fuel. When I increase gas I don't feel it anymore. If I drive the car very aggressively the problem seems tranparent but in stop in go traffic or city driving I have this problem. Help, I've changed all 6 fuel injectors, fuel filter, air regulator, and tuned up car (plugs, rotor, cap). I was told it may be fuel air mixture causing problem. Does anyone have or had this same problem and what did you do to fix it, other than that the car runs great
Last reply by gmoney, -
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When you take out the EFI what exactly do you remove and how do you install carbs? I mean do you simply pull all the computer crap out of the car, pull of the injector fuel rail, and the intake manifold, replace it with a manifold from a Carbed Z car, and add some carbs? if anyone has a web site explaing how i would appreciate it.. Or is it in the "How To Modify...." book? Matt
Last reply by WishN4DaZ,
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