Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,574 topics in this forum
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- 13 replies
- 3.4k views
I own a 260z with the stock engine in it (it is/was my daily driver). A couple days ago I was driving and all of a sudden the engine locked up. I got my dad to help me tow it home the next morning and I thought that all I needed was a new cam so I wasn't that worried. My auto shop guy, who all he does is work on Zcars and has been for over thirty years, told me that the engine was gone and that I needed an entirely new one. Everyone is telling me to get a new car but like many of you on this site know, you cannot just get rid of your Z, that it is a part of you. So my question is: What type of engine would be best to put into it? An RB and SR are out of the question …
Last reply by e_racer1999, -
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- 3 replies
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Hi, I have a slighly used (very good condition) set of Kameari Racing Pistons for sale (on behalf of a friend so im gaugeing some expressions of interest) 89mm with a 29mm pins Comes with rings circlips and wristpins. Best suited for L28s. looking at around $800 AU.....$650 USD email me @ kingoffoxes@hotmail.com or pm me.
Last reply by HS30-H, -
- 9 replies
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I have a box of that nickel-plated faux- braided hose covering with the cheap red-colored plastic clamp covers. I would like to know if others have any experiences with the covering, like how it looked, and what things to cover. An alternative to the cheap red clamp covers sounds good. My suggestions: radiator hoses fuel lines in & out ??? thx
Last reply by hls30.com, -
- 5 replies
- 2.2k views
The exhaust side of my gasket is shot and I assume this also means there's damage to the intake side, resulting in exhaust gas ingestion by the motor and one of the contributing factors to the poor performance of my car. I have the new gasket already but I was wondering how much it takes to replace it? Do I acctually have to entirely remove the intake and exhaust manifolds or will I be able to just unbolt and pull them away from the head enough to take out the old one and slip in the new one? Basically I'd like to know if this is a one hour job or an all day job? Thanks in advance. btw: I have a '79 280zx.
Last reply by beandip, -
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I live out in Las Vegas and in search for a reliable/reputable L28 Engine Rebuilder for my 1977 GC210.
Last reply by civ104, -
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I have a 1977 280z, and I have been troubleshooting this area since I got her home on the 27th. It seems to be in great running condition, no smoke or any other problems that I have found. She runs a little rich(you can smell the fumes) and the engine idles at 1500rpm (which is too high). I would just like to get some feedback on the subject, maybe some possible solutions? I appreciate it guys. *Note* I can idle her down, I don't know if it would change the richness
Last reply by sblake01, -
- 1 reply
- 1.7k views
I'm sure it's somewhere, but I couldn't find it. What should my compression be on my L28? I did a compression test and have 150 across all cyclinders. Is this where is should be, or how close am I to what is right? Thanks Scott
Last reply by MikeW, -
- 11 replies
- 8.4k views
Hello everyone, I got my block and crank back from the machine shop and everything went as planed but then I get a call from them asking about these oil galley plugs. It seems that someone brought in an L28 block and crank, after I had my work done, and had these plugs taken out for further cleaning. They found some hard ugly stuff in there. the other guy said that the motor had been sitting for a few years. My question is do I need to remove them, clean and tap for NPT plugs? The "How to Rebuild" book does not mention them. The "How to Modify" book says to do it for race prep only. I hate to take the crank back to the machine shop but...
Last reply by matria, -
triple SUs 1 2
by pro240c- 23 replies
- 4.7k views
hi all. i was just wondering why there was never a triple SU manifold cast for the L series...? i mean, you would think with the great results an L fourpot gets out of twin SUs, surely 2 more cylinders would equal one more SU...? it just bugs the hell outta me that holden get one for their tractor engines (161ci right thru to 202ci) and yet the almighty L series gets stuck with 2 just because that was the only manufacturer's option. i'm sorry, i just don't see the logic in it. alternatively, anyone out there making or know of a kit that uses triple SUs...?
Last reply by Bambikiller240, -
- 0 replies
- 1.4k views
I just wanted to correct the information about the True Flow air filter . the # 70200 will NOT FIT THE EARLY Zs . It fits from '80 on Sorry for the wrong information. Just clearing things up . Gary :disappoin
Last reply by beandip, -
- 2 replies
- 2.2k views
I have heard a few ppl allude to (Alan in particular) putting an L20 crank into an L28 block, and that some race cars in japan run this setup. Anyone here seen it in action, or have any more details on it (i.e rods, etc and HP) ? Oh and BTW....anyone knows if Y70 head was offered on anything other than an L20 ? Cheers
Last reply by HS30-H, -
- 9 replies
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my 73 240 (round tops) is very hard to start when cold. My mechanic nissan factory trained and certified,says valve adjustment is critical. Since no accelerator pump relies on vacuum. He gave lash at .006 and .008 book says .010 and .012 cold ,which is right? He is their #1 mechanic at this very large agency. Read several engine thread entries today and a lot of guys are adjusting them hot. I always thought it should always be done cold. he also said the carb nozzles looked a little worn . he put the carbs back on after they were rebuilt (mainly gasket carb rebuild kits). any advice on doing the valve lash adj. d***
Last reply by sblake01,
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