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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The front freeze plug on the passenger side of the engine on my 240z has been leaking and we can't figure out why. 2 days ago we replaced it with a new brass one and used gasket sealer all around it. Today there is another drip of coolant that came out of it. Anyone know why the freeze plug would develop a drip leak? It doesn't seem possible that the plug could be leaking again considering that we put a good amount of gasket sealer around the edges of the new plug when we installed it.
Last reply by lm71z, -
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hi guys, im redoing my 260z, i removed everything, now im reinstalling all parts and cant find the stub axle nuts, does anyone the correct size nut, i know its metric, is it fine pitch, etc, the stub is the splined short end of the axle that presses into the hub for the strut, its a large nut
Last reply by jmortensen, -
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The oil pressure sender on my 240z has already gone bad, so I'm replacing it soon, but I'm afraid it might break off inside the block when I attempt to loosen it. What's the best way to remove it? Should I do it when the block is hot or cold? And is there any type of sealant I should use when installing the new one?
Last reply by Gary in NJ, -
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Gas has been leaking from my 71' 240Z every time I fill it up fully...I went to go to my usual Z shop, ALT-Z, and they seem to have closed down If there is anyone who knows of a Z specialty shop in Southern California, I would greatly appreciate it! The smell of gas filling the house is becoming...tiresome to say the least!
Last reply by 280zforce, -
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Plan on removing My intake manifold soon to put in my MSA headers, anyone who has done it before know what special tools i might need to make the job easier?
Last reply by tlorber, -
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There's a craigslist ad near my house for a short block 3.1L stroker engine. Apparently its already built, i just need to add my head and some other bits. I have a 77 280z that's running well, but enough is never enough.. right? I already have a P79 in my car. I'd like to get some of your thoughts on whether or not i should go for this deal and what i will need to finish the swap. I've copy and pasted the text from the AD for easy reading: "What I have for sale is a 3.1L stroker short block. The engine started its life as a 2.8L from a 280Z. The block was bored and honed to receive 89.5mm 240sx pistons. The rods are from a 240z with 9mm ARP rod bolts. The crank is from a …
Last reply by TBone028, -
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The other day a friend and I were discussing our respective commuting bicycles (stay with me here, it gets better). I mentioned how my latest bike seemed SO much easier to peddle, feeling almost friction free compared to my old cruiser. It mentioned how the old one seemed to be down right hard to pedal compared to this new one in the same situation. Different tires? gearing? newer bearing? He immediately piped up and asked if I had ever changed my chain and/or sprockets? (see where this might be going?). He was not surprised at all, and offered this (to him) well known detail of bike maintenance. Change your chain and sprocket every year or two!! Seems we often talk a…
Last reply by sblake01, -
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Does anyone know if the timing chain tensioner in the L24 has a gasket, because i purchased a replacement tensioner in timing a kit i bought from BDA and it did not come with one, and my how to rebuild book says there is a gasket, but the engine being rebuilt in that book is an L20b. Also, i have looked at alot of different Z car parts sites and none of them have the gasket either.
Last reply by Skyhook, -
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Tried to find it in my FSM some other Z books I have and searched the Z car forums but no luck. I've been checking but cannot seem to find the size of the two nuts that attach an R200 diff to the mustache bar. Size and pitch? (16MM X 1.5 maybe?) I'm doing a swap on my Early 260Z and had assumed the R200 were the same as the R180 diff. and was going to use the R180 nuts. Ah well:finger:Thanks ahead of time. Bobby
Last reply by Bobby_Lee, -
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So the exhaust smoke of my car (#11651) has slowly turned blue. I am banking on the o-rings, valve seals, or piston rings being shot... I will not know till further diagnosis but my spark plugs are covered in oil. Constant blue exhaust smoke (o-rings) is what I think is the problem. Does anyone know a reputable shop that can rebuild a l-series engine in the bay area, or in northern California? I'm looking for a shop that has handled pristine/show-condition cars, not the kind of shop that will leave your car in the corner covered in dust and parts sitting on the body. If you look at my blog, you'll see the condition of my car, and I wouldn't want to hurt her Any info wo…
Last reply by Jetaway, -
Turbo kit? 1 2
by JKiggans- 19 replies
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Just bought my 80` 280zx i was wondering if i could put a turbo kit with stock internals? Or if not what i would need to do and what kits or what ever would work best any input is appericated
Last reply by Don Z, -
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G'day.. I've just installed a new set of DCOE45 webbers and a rather crazy 0.33" lift, 38-78-78-38 degree camshaft to my zeds L28. (picture attached). While the car is a bloody hoot to drive out on the highway, in congested traffic with 40 deg.C + summer weather down here in Australia, all the hot air rising from the headers (which invariably gets sucked straight into the carb's) turns the car into rough idling pig (that cam doesn't help either!!). I would like to fix this problem by fabricating a large, rectangular "air box" which will bolt straight onto the carb's (the ram-tubes will be retained within the box) and ducting "cold" from an air filter mounted outside …
Last reply by Walter Moore,
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