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 is the difference between these two motors or is there even a difference:stupid: Thanks
Last reply by 280zx Fever, -
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I have a dumb question, but I'm going to ask it anyway. Is it normally harder to start a car with high compression? Vicky
Last reply by Rusty1, -
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I asked the guys in the aussie forum these questions relating to this engine (L24E skyline). Just thought some of the yanks might be able to shed some light on the issue (as I only just found out this engine was availible in the states in the maxima). Just wondering if anyone can confirm how many CCs this head is. I've heard around the 40-42cc mark, although I havent measured it myself (dont have access to a burrette). The reason its so critical is that I am about to use this head on an L28 block with flattop pistons, and too small a chamber will blow my compression ratio out, and I dont wanna have to rebuild it again with dished pistons (which I also have). Can anyone w…
Last reply by san_maru_zed, -
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Has anybody tried it? i just want some feedback before i buy it. i'm planning on installing a radiator in my 73 240z, but it has to use the stock hoses and filler cap. Also, it must bolt on without any modifications. thanx:ermm:
Last reply by Sonic, -
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I was reading about pros and cons of forged pistons, and it said that to run a forged piston you must allow for the expansion of the piston as the engine warms up to operating temperature. So this means a larger piston to cylinder clearance that initially will wear on the cylinder more since it will take a little while for operating tolerences to expand to normal. Does anybody know the life expectancy of a forged piston engine versus a cast piston engine? I'm sure it will be less, but I've never heard exactly what to expect. Also anyone ever see hypereutic pistons for a Z? Thanks Fatones
Last reply by Phred, -
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Howdy, I am pulling apart an L28 for the first time and can't seem to get the intake manifold off. I have taken all the bolts out from the top of the intake and it won't budge. There is one bolt at the front of the engine but it looks like the exhaust manifold bolt. Are there any bolts other than ones next to the injectors? I have put some wood on there and given it a bash but it is still solid. Cheers Glenn
Last reply by mwz, -
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I've searched and found conflicting info about using an earlier intake manifold vs a turbo manifold for my turbo engine build. I have an F54 block, P90 head and will use forged pistons, hybrid turbo, wastegate, boost controller, new engine mgmt system, etc., with target specs of 300 RWHP. The earlier intake manifolds had a lot less junk on them and will be easier to clean up. Which is best for my application? Thanks for your input..mayolives
Last reply by ZmeFly, -
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Can anyone give me a rundown on the procedure of droping a 350 into a 280? Just a brief note is great. I have bought a 280 with possible injector/motor problems and I have really nice 350 in my beat up truck .. so anyway ..you get the picture. Thanks ..Bruce
Last reply by D-Webster, -
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I'm in the middle of adjusting my valves at the moment. I'm doing them cold as this is the first time for me. So far I've found that all the exhaust valves have had a much larger clearance than .25mm and all the inlet valves have been very tight. Now I've just come to the inlet valve on number 3 and I simply can't get it with in spec. The largest I can get the gap before the stud doesn't screw down anymore is less than 0.05mm when it should be 0.20mm. There is a gap there now at least. So any ideas why all the exhaust valves are loose and the inlet tight. Also, is it a big concern that I can't get inlet no. 3 in spec? If all goes to plan I'll only be running this motor f…
Last reply by Murph, -
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I'm going to be pulling the head on the '73 240Z this weekend to see where the water leak is. The big question; what am I going to be looking for? How will I know if it's a leaking gasket or a problem with the head or... heaven forbid... something with the block itself?
Last reply by panchovisa, -
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First question: are there any parts on the 810's L24E engine that i might want to put on my '77 Z's L28 with bad EFI and a ticking lifter (like EFI parts, better manafolds, better sensors, computer, head, fuel pump, etc)... otherwise, how much could i sell this engine for intact, considering it has less than 6000 miles on it since it got rebuilt (new cam, head redone, new injectors, new bearings, oil pump, rods, rings, checked the crank to be within spec, new alternator, etc) second set of questions: what am i going to need to convert this to diesel... im assuming the diesel fuel pump (the in tank one), the starter, im going to need to swap flywheels (unless one is seve…
Last reply by sblake01, -
I found a completely exhaust setup for sale for a good price, but it for square ports. I was wondering if it would bolt up to my round ports wit no problems, or would i have leaks?
Last reply by z_boi,
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