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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What time does a stock 74 260z run the 1/4 mile in? I have made the following minor changes how much of a time difference could I expect? *change flattop SU's to early bell type *280zx dizzy *headers *2.5 inch pipe with hot dog and resonator
Last reply by Ivan, -
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Ok, I did several searches in the forums I could think of and could not find this but I know that I've seen it in here before. Where is the casting code located on an L28 block and also on the head? I'm lookin at an engine and need to know what block and head it is...hoping that it's an F54 block with a P90 head. :classic:
Last reply by g260, -
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My gas tank is leaking around the sending unit. I see MSA and VB don't carry it. Is it possible to find a fuel resistant o-ring of that size? Has anyone tried, and if so, did you find one, and where? Thanks, Victor.
Last reply by tanny, -
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Here it is, I have a 73 240 that was originally going to be a parts car, until I decided to expirement with building a turbo rally Z. I want to swap in an L28ET from a 280ZX. So assuming that I have all the hardware: L28ET complete w/ P54 block and turbo head with turbo and downpipe. Complete engine room harness, and accesories. Do I need to get the in-dash harness from the ZXT? Can I do all the wiring under the hood including building a box for the ECU and all additional wiring? I have no problem with straight wiring lights, and ignition to toggle switches inside the car, anything to avoid doing ZX electronics. If anyone has detailed swap information, links to, or pictu…
Last reply by Inf, -
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This may seem stupid, but when i am idling on an incline (facing upward) at an intersection or elsewhere, my idle drops to about 700 rpm. Sometimes the engine even quits. I have no problems when I'm sitting level or facing downward. Has anyone else ever had this problem? (1976 280z). Thanks!
Last reply by A2Z, -
I have a 78 280Z... one of the bolts that holds the EGR valve on broke. So there is only one working bolt left. I assume I can replace the bolt, however in the mean time I need to drive the car as it is my main automobile. So, anyway when I bolt the EGR on with only one bolt it actually seals pretty good just a minor very minor leak out the side that's missing; a bolt. (I tested it with soapy water with the engine running.) My question is can I use a copper sealant such as Permatex Ultra Copper to seal this up and help clear up any EGR leaks??? Will this hold if I do this??? I know that copper sealants are ok for Exhaust manifold gaskets and such so I'm just wondering if …
Last reply by bryantatem, -
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what is the fuel injection that is used on a '77 280Z... i have heard that it is the Bosch L-Jetronic (similer to what was used on VW and Porsche type 4 cars, like the porsche 914), but i would like to know if it really is, or if im not on the right track? any webpages dedicated to tuning it, or that would at least tell me howv it works (more or less)?
Last reply by sjcurtis, -
me again, I was wondering how many miles per gallon on a 78 280z(stock) should i expect, I'm not quite sure about how mpg i am getting but it seems as if im gettin very little mpg? any one know? If there anything i can do to improve my fuel economy? Thanks again!
Last reply by z_boi, -
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What is the BCDD ( boost controled deceleration device ) for? Emitions during throttle let off? I put a '78 N47 head on my 240 block ( F.I. Electronic ign. - the whole 9 yards ) The BCDD is mounted to the bottom of the throtle chamber. It has one wire coming out of it. That wire was hooked into a plugblock near the speedo but it dead ended there - the '78 Z ran good before I pulled the head and wireing. Now that the head is on the 240 block ........ When I start it up (first piston to the top fires right up) it idles good at about 700 rpm and will stay that way untill I rev the motor once. That's when it will stay idleing at about 2700 - 2900 RPM untill I turn the igniti…
Last reply by JEFF, -
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Where is a good place I can get a good and cheap (i know its a bit contradictory). I have a 76 280z with a stock engine (Fuel Injected as well), also where is a cheap place I can get a 3" 90 degree mandrel bent elbow to convert my old air intake to a cold air with K&N?
Last reply by mushupork5, -
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can someone clue me in on a "turbo 90a" i kno nothing about it and theres this z around me and he says he has a turbo90a motor and it runs 13 psi with a intercooler but i might buy this car and i have the slightest idea what anyhtign about that engine is pleeeeeeeeease help thanks
Last reply by 24OZ, -
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When I rebuilt my 240, I used silicone on both thermostat housing gaskets(housing to engine and housing to thermostat cover. Thermostat cover is new). They both are leaking now(300 miles on engine). Have ordered new gaskets and am wondering what gasket sealer would be best to use.
Last reply by JEFF,
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