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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- 6 replies
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...transmission fluid to come out of the speedo connection after topping off the transmission fluid? Thanks
Last reply by siteunseen, -
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- 1 follower
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Hello all. New here and new to the Z car. I have been driving a 76 280z with auto. trans. Everything works great, love the car. One thing I noticed. If I'm driving about 70 and take my foot off the gas, the car noticeable decelerates to about 55 and then you can feel the car sort of just smooth out. Although it is still slowing down, just not as quick. Just wanted to know what this is and the purpose. Thanx
Last reply by ramsesosirus, -
L24 vs L28ET 1 2 3 4
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I just took my 1973 240z off the PO's truck and put it in the garage this weekend. As I start to assess the situation I've been thinking about the possible drivetrain options open to me. The block is not the original, and I cording to the PO it's been bored to 0.020 over stock. I haven't gotten in there to check which block I actually have, but plan to next weekend when I get in and power wash the whole car. It does have round tops already, though. So the main question I have right now, assuming it is a 1973 L24, is what is the overal impact of switching to an L28ET? I like the idea of getting hydraulic lifters, electronic ignition, the R200, and the T5 in a system that w…
Last reply by Patcon, -
- 1 follower
- 161 replies
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I'm tackling a clutch job for the first time in my history with this car (11 years/35k miles), and as such, I cracked the drain plug for the first time in at least that long. I have no idea when it was last done -- somewhere I've got a stack of records that would probably tell me if it's been done anytime "recently" in the car's history... but for now it's an unknown. The fluid that came out was pretty sludgy and gray, and as expected there was a pretty thick layer of metal crud on the magnet plug, but, on top of that, I found a couple of bits/chunks of metal. I searched some previous threads and saw someone else with something similar -- it looks like some bit…
Last reply by KDMatt, -
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I put a 5 speed, '77-tru? wide B, in my 240. 1st through 4th are great and then I tried 5th this morning. Push in the clutch, goes into 5th nice and smooth, release the clutch and it pops out of 5th. I don't know squat about transmissions so any ideas would be appreciated. I know I'll have to carry it to my transmission guy and would like to kinda know what to tell him the reason may be. Thanks all. That aluminum flywheel has taken some getting used to but now I LOVE IT!!! The motor revs so much quicker it reminds me of a motorcycle. I'm banned from motors though so this is close enough. Super high pitch sound like an aftermarket pipe on a crotch rocket.
Last reply by siteunseen, -
- 1 reply
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Hey Guys, Newbie question, I have 240Z with 2.6 liter motor with E88 Head. I have a spare F54 series short block with flattop piston, crankshaft, etc. Wanted to know if i can use the short block with my heads and stock camshaft without replacing the the spring, rocker arms and use the old one without running into nay problems?
Last reply by siteunseen, -
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Am in need of purple 21 tooth pinion gear, any recommendations? They are no longer made, I believe, so looking for good used source.
Last reply by Duffman, -
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So as the title says is pretty much my problem. Now getting into more detail explaining the problem. Under acceleration it shift perfectly normal and accelerates fine but, under acceleration in 2nd gear the shifter itself wobbles up and down under acceleration, all other gears do it very minimal more so vibrates for the rest of the gears but 2nd gear you see it move up and down. Is this normal? Is this a sign of problems to come?
Last reply by Zed Head, -
- 2 followers
- 9 replies
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So I'm now retired. Big changes. We also relocated from the SF peninsula to the far East Bay, (Brentwood), about 70 miles. Drove the Z to it's new garage today in a light rain. It wasn't an easy start though, (literally). My battery was dead and wouldn't accept a charge. Had to buy and install a new one before I could drive her to her new home. She ran great and I declined a street race with a brand new Maserati coupe. Really? The guy wanted to race, "in heavy traffic", in the rain! We did both rev our engines inside the Caldecott tunnel. His engine sounded cooler, but my car got a lot more thumbs-up from people in other cars, (especially those wh…
Last reply by Jeff G 78, -
- 13 replies
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Hey guys. So, I have the stock 4 speed in my '70z and it needs to go. I want to go the cheapest route possible for a 5 speed because I plan to to a RB25 engine and trans swap next year. I just found a 1980 maxima 5 speed on Craigslist for 350 OBO. And he keeps reposting. I could probably pick it up for 200 bucks. From what I read these are a direct bolt on? The only thing I need to do is cut out some metal to make room for the 5th gear throw is what I gather? Also, excuse my ignorance here, but can my clutch from and flywheel from the 4 speed be used with this 5speed or is that completely different? Thanks in advance.--Z
Last reply by Chickenman, -
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I am restoring HLS3028726, build date April 1971. Is the steel fan or the plastic correct for this car? Second question; what is the correct finish for unpainted bolts; cadmium, tin, nickle, or ??? Thanks, RDM
Last reply by jfa.series1, -
- 1 follower
- 12 replies
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I'm getting into the process of welding up the little holes and imperfections in the body of my Z from things the previous owner did to her (aftermarket mirrors, mud flaps, etc.) and want to start planning the engine bay clean up process while I'm at it. One thing I know I don't know is what is the list of stuff that can be tidied, and what can't change? I'm running a 1983 F54 with a P90a and two SUs. Haven't gotten past that on the configuration yet (lots happening in parallel). Any tips and tricks are much appreciated. Sent from my iPhone using Tapatalk
Last reply by Matthew Abate,
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