Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,569 topics in this forum
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I am not very familiar yet with older cars and I know that for newer one's you can just turbo or supercharge the car for a major power increase, but what kinds of things can you do for a 72 240z with a in-line 6 cylinder engine?
Last reply by Prest's Zcar, -
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This part hit the ground when I was pulling my motor and tranny last year. The motor and tranny are going back in tomorrow and, as usual, I am scrambling to figure out where it goes. I have already lined it up with tranny mount and that's not it. Thanks in advance. John
Last reply by JohnnyO, -
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Does anyone know if that transmission calculator still exists? The link I had for it is dead. A search around here did not turn up a new one. thanks, Marty
Last reply by 70 Cam Guy, -
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I'm starting to put together my old Z that has off the road for 24 years (it was run one day a year for 24 years). I'm going to replace the fuel pump and need some advice. The car has a triple Weber setup. I don't think I need a hi volume vane pump and would like a quiet impulse type pump. The mechanical fuel pump has been removed. any suggestions will be appreciated.
Last reply by ChrisZ, -
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Any ideas? I know its not common..
Last reply by WingZr0, -
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Hello everyone, we all know that the most expensive oil isn't always the best and especially not for classic cars. So, just which oil is the most suitable for the older Z cars. I know there was an article in a recent/current Practical Classics issue but was interested in what everyone was using and if anyone had any horror stories with "the wrong oil" I'll start with a story, in the army we use an engine oil called OMD90. It is a good oil and it contains a small amount of some sort of detergent. My friend at work has a triumph TR4a on its second engine now because of "the wrong oil". So from this I am keen to use the most suitable oil for the 70's mechanics in the old Z.…
Last reply by kjphilippona, -
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I have been wizz off with my regular Napa store and furthermore it was the Napa warehouse in Las Vegas for problem related to being charged for a single point set in a box when there is supposed to be two in a box for A/T set ups. The manager was barely able to speak english and after I called back a week later, he just told me to forgot orders from Standard Brand products for my 72 240 Z. Yeah, it is quite an insult for Napa having quite a distributor in my region with no will to find why Standard in Virginia confirmed every JP7p-2 always come in a set of two in each boxes. These people are so stupid and Standard brand no taking care of the problem that I switched to Wor…
Last reply by Bonzi Lon, -
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Has anyone serviced the the two driveshaft sliding sections? Is it difficult? Can it be done without taking off the u-joint? My u-joints seem fine but the in and out motion seems stiff. The manual says to service every 50,000 miles. Mike
Last reply by mbarjbar, -
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Ok I dont think my stock electric fuel pump is operating. I cannot hear it when I turn the key to "on" without starting the Z (73 240Z). I checked the wiring and I have power back there when the key is on, but the pump doesn't work. The manual pump works fine and the Z is running off of that. Now here's the question. Should I replace the electric pump with an after market one and remove the manual pump or run off the manual pump? I am sure there are benefits to both. I have seen the fuel pump block out plates out there but I dont know the benefits to removing the manual pump. Any Ideas?
Last reply by steve91tt, -
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Trying to put a 77 diff into a 75 body using the 77 crossmember with a solid diff mount. The problem is the centering bolt is too far forward by an inch. I can't locate this issue in the searches (too much information, nothing specific). Any suggestions on what might be wrong? Any chance the mount itself is wrong? I am assuming:finger:that the diff is physically the same in the 75 as is in the 77. Thanks! Leonard
Last reply by IdahoKidd, -
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I wrote off my 300zx, 1986 and have a 73 240 automatic, can I just dump the tranny from the 86 300 5 speed into it? Fml I miss my 300
Last reply by bigoak, -
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As the paint and suspension work are finishing up I'm wishing to formulate some engine upgrade strategies, probably in phases. Since the 280Z is fuel injected I want some help with knowing how far I can go with it. Mr. Cerutti's 280 is on far far end on my thinking - computer programmed 280 ZXT, raced out, etc., so that might be consider Phase 4 with an EFI engine. That said, what would be Phase 1 with the stock engine? My inexperienced thinking says K&N intake, 6-into-1 headers, 2.5" exhaust, upgraded coil, advanced timing, basically bolt-on stuff. Phase 2 at rebuild time perhaps a cam, lighter flywheel. Thoughts?
Last reply by Davey G,
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