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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- 3 replies
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I installed a '78 280z fuel injection system on my '72 240. the fuel flow is strong - but seems to be returning to the tank in high volume due to the sound of it re-entering the tank. The engine starts for a moment then dies. I think it is starting for that moment on the cold start injector- but if the fuel pressure regulator is not holding pressure wouldn't it be a reason it would die? Question is: What should the fuel pressure be in the fuel rail? And where is a good place to install a fuel pressure port to check the pressure? Any thoughts would be appreciated. - Jeff
Last reply by sjcurtis, -
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- 9 replies
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I have been having trouble with my coolant running out. When I drive the car after I fill up the coolant, as soon as I turn off the car half the coolant will get forced out the over flow hose on the radiator and on to the ground. I took off the radiator cap with the car running and coolant is moving all around so I think my water pump is good. I replace my thermostat also. Still the same problem the coolant just gets force out of the overflow hose and I bet it does it a little also when I am driving it. Let me know what you guys think. Oh by the way its a 72 240z. Thanks Frankenstein Z
Last reply by frankensteinZ, -
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I have been doing a LOT of reading on this website as well as a hand full of others and think that I may have figured out what is considered to be the best overall setup for a Z. Please work with here as I am very new to all of this and am only working off my notes from various people's opinions and tested results. I do welcome all helpful information as I would like to determine the truely best way to build up a Z car. For starters you need a '70-71 Z car as these were lighter than the later ones. Now for the rest... ENGINE: an '81-'83 L28 non-turbo motor (this will have flat top pistons) which will be an F54 block and should have originally had a P79 head HEAD: an '…
Last reply by 2ManyZs, -
Head work?
by Ed- 0 replies
- 1.2k views
What should one expect to pay to have the seats and guides replaced on a head (The head IS off the block)?
Last reply by Ed, -
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i find a 260z with a turbo kit on it, single S.u carb, someone tell me that's the zender kit, it 's right???? if yes, what do you think about this kit, how many power on a stock engine??? The car i now run bad, sometime all be right and so the car run like a plane, and sometime there 's no power. I must see the car soon....
Last reply by Bpaccaud, -
bottom end
by warky- 3 replies
- 1.4k views
can any one help me i have a small big end bolt in the bottom end in my 240Z i have been told that only early 240Zs come out with them that size. can any one tell me if they were in a 4 cylinder and what year they canged over to the big bottom end bolts. any information would be a help.
Last reply by warky, -
- 13 replies
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I know everyones gonna say use the search but here it goes anyway... A local yard has a few 280zx's and one 260z 2+2. None are rebuildable by any means. I can pick up a whole Engine with everything on it for $250. I think this is pretty decent. Some of the cars are turbo some aren't. What year or what else should I look for on picking which one I want him to yank for me? Plans are to tear down and make a pretty mean street motor out of it. It will get Carbs and all when it's time to find her a home. I'm looking to make ~250hp. The goal is that it will end up in a 240 and still look like a 240 motor With tripple carbs. Is the turbo block better? This could still b…
Last reply by Bleach, -
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I have a 72 240z. I have read in the forums that a good performance increase can be done with the addition of exhaust and headers (this also makes since to replace because after I get done driving my car my girlfriend won't come within a mile of me because of the fumes on my clothes). I was curious what everybody recommends as the best mix of exhaust and headers. Thanks Frankenstein Z
Last reply by ZmeFly, -
Im new to the car scene and everything and trying to learn, and i was just wondering if you could put a 6 Speed in, and what effect it would have, may be a stupid question, im sorry if it is, thanks Eli,
Last reply by Mr Camouflage, -
- 33 replies
- 4k views
OK, here is a newb question. Other than the carbs, what differences are there between a late '73 240Z and the earlier motors? Had they started putting emmisions controls on the motor yet, or did they wait for the 260?
Last reply by Smokey, -
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I was looking at this photo a member displayed regarding shaved door handles and I really like the exhaust setup. Has anyone done this? Whats involved? Do YOU like it? Thanks.
Last reply by baron, -
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so i'm getting ready to pull the head and check out those valves but i thought i would call a Z shop and get some pricing on some of the parts. they told me they needed a code off the head. now, i don't remember where but i thought i heard that the early cars had iron heads. this one is aluminum. the code on the head is E88. is this the head that is supposed to be on this engine? does anybody know of a good site for replacement parts? does this site have any supporting vendors? i also have an unrelated question about the rear end. is there a HD unit for these cars? what year(s) have such a unit and how do you identify them? are these cars 'posi'?
Last reply by Mudge,
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