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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Hey I just bought a timing light and engine "analyzer" at Sears, and will hopefully begin to use this stuff soon to tweek my 71 and 79 Z's, as well as my 82 dodge van. In looking through the manuals for these items. I noted extra instructions for the "advance timing light" which I did not buy. I just got the inductive light. Should I have bought the advance model? What benefits would this one give me? Since it is Sears I could probably take the other one back. Also, what timing setting are most folks using for their 240's? The 71 service manual has dramatically different settings for emission controlled and non emmission vehicles. My air pump and galley have been removed,…
Last reply by LanceM, -
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who can work on a '70z? I need some engine work done and am not much of a mechanic. Erik any suggestions welcome
Last reply by erikgiles, -
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i am rebuilding a 73' 240z and i have some questions. starting with the engine first. I dont plan on racing the car just street driving. So what should i change to increase horsepower. the next is suspension. what should i change to give it a smoother ride and increase preformance. I know I will be lowering the car an 1" or more. please advise
Last reply by shane4golf, -
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Pistons in my L24 have 50 stamped on the top of them. What does this denote? Cheers James
Last reply by JLPurcell, -
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Hey Guy's, I have a earlier 70z.I needed more Z power so I put in a F54 block, w/ N42 head ,w/ non-EGR F.I.,w/ 79 dizzy, w/ E12-80 ignition.I put in T-5 Brg/wrner and a 88 300zx se Visc/LSD. My concern is when I start the Z ,this black wet bubbley soot shoots out my tailpipe about 3feet or so. It happens everytime i start the Z. It's all over my drive-way it's a dirty mess the guy next store to me his wife's white Mercedes benz my Z shot out a nasty mess all over her car... anybody have a simuliar experience with this black soot shooting out PLEASE tell me whats going on here. Thankx Guy's
Last reply by e_racer1999, -
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I think I may have a vacume leak, where do I begin to check, and how do I tell. The car seems to cut out and the RPMS will jump up occasionally. Also part of the problem may be that spark plugs in cylinder 5 and 6 seem to foul out quickly, what do I need to adjust. Also would a valve cover gasket leak cause this? -73 240Z, flat top carbs, monza exhaust, omni spark wires
Last reply by Zedrally, -
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I've been gathering alot of info from various places on the net... and after many posts and collecting of feedback, I've decided on a carb swap for my 77 280Z... I feel that I will be much happier in the end. I'm going for an N42 Head.... L24 intake and linkage, and SU's... This is the setup I hope to accomplish. I know there will be a few things I'll have to rearrange and configure. I am seeking a completel list of what I will need, if anyone might know of where I can find a comprehensive one, please let me know
Last reply by sblake01, -
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I dont have a mic so I cant measure the bore accurately, but I have testing the ring end gap...and with new rings,the top ring has a gap of about 25 thou.... Im off to the wreckers to see what the measurements are with some other L28s....but from this measurement it looks like I might need a new block right ? (PS...I guess its pretty obvious by now that I'm rebuilding my engine and its my first time :paranoid: ) Ray
Last reply by Murph, -
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Hi everyone, I have stripped my engine down and found something quite confusing. I am the third owner of this car and when I bought it off the second owner it had done 175200 km (109000 miles). When the second owner bought it, it had done 42500 km and was 4 years old. To his knowledge the engine was original and had not been reconditioned when he bought it. I have confirmed through records that it is indeed the engine that the car left the factory with. When pulling the engine down all parts are Nissan and the general condition of the engine backs up what I have found out as far as being unreconditioned. Now the confusing part. The crankshaft main journals all measure up…
Last reply by Phred, -
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Well, I had taken switching to carbs a serious consideration, but I believe I'm going to try to cope with the EFI (considering I have a 78 parts car with many usable parts). Well, the whole reason around my frustration with EFI is how strange it has been acting.... Here's the story.... I have had the car for a month now. When I first got it back home, it ran fine... no surges, no cutting out, no missing... Only thing I really noticed is that it was set to idle higher and was running richer and I smelled fumes while decelling(only when the window was open). I idled it down to 1000RPM and it helped the gas consumption alot. About a week later, I had been making a run th…
Last reply by sblake01, -
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In the haynes manual it says that I should put some 'jointing' compound onto the main caps when I install them. What compound are they referring to? Also...does anyone put loctite on the backside of their bearings when installing them ? Cheers Ray
Last reply by 26th-Z, -
where is the fuel pump located on a 240? what all has to be done to put a 280 z engine in a 240?
Last reply by beandip,
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