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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- 4 replies
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I have a track date on Saturday. My clutch seemed to be loosing some grip at about 5,800 RPM. I would like it to hold a little longer than that at the track. This is a stock trans, and gine, build date 1/71, so it has the adjustable slave. So, I got out the FSM and Haynes. Their descriptions leave a lot to be desired. Something like, back off the locking nut (pretty straight forward). Adjust the adjusting nut until the fork just stops moving (which way do you turn it, doesn't say; which way is the fork supposed to move, toward or away from the engine?). Then back off 1.5 turns and re-tighten locking nut. After I tried to follow the directions, now I am starting to l…
Last reply by Marty Rogan, -
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I was wondering how much i would want to mill an e88 head (and if i would use a different head gasket in conjuction with this or what) to get somewhere between 10.3 to 10.5 compression, and if this would create a clearence issue. By the way, its a 72' L24. Thanks in advance, Matt
Last reply by Matt.L, -
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What year did the Z first get these? I have a 72 and I know they didn't come like that from the factory. It has had a new radiator put in sometime during it's lifetime by the previous (first) owner. Why would they add the reservoir? Reason I'm asking is they added it above the engine compartment VIN tag and over time the movement of the bottle during driving has worn alot of the paint off the tag and I'd like to keep that problem from getting worse by removing the bottle. This may be a strange question but how much has this hurt the value of my Z? The numbers are still readable because they're etched on but the VIN tag is by no means pristine anymore nor is the Z's en…
Last reply by Red-Eye, -
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my 72 240 has an auto tranny in it,hopefully soon to be a 4 speed or 5 speed.Will the auto tranny driveshaft work with manual gearbox, if not, is there any difference in the 4 or 5 speed shafts.
Last reply by GunnerRob, -
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Hi all, I have the tranny out of my 240z (an '83zx 5sp) and want to change out all of the oil. I've seen a couple different capacity levels listed for filling. Is 3 1/8 pints an accurate capacity level for refilling? thanks Bill Oakes Libertyville, IL
Last reply by Bill.Oakes, -
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I just rebuilt my newly acquired '83 5-speed. (What a job!) I have new bearings, syncros, and seals. I am wondering if I can use RedLine Oil in the tranny? What about the brass/bronze sycros? Will this oil be too slick for the sycromesh? I put RedLine in the R200 L/S but I am looking for advice on the tranny. I will be driving it on the street. No racing for me and my baby. I might pick up a rock chip!!!!!!!
Last reply by ZSaint, -
Boiling fuel? 1 2 3
by 240ZMan- 29 replies
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Some time ago I posted this thread http://www.classiczcars.com/forums/showthread.php?t=10041 but never resolved my issue. Basically whenever the under hood temperature rises, my engine begins to stumble at idle. This happens at moderate temps, such as today when the air temp was about 60. If I let the engine idle for a few minutes the problem begins. Today I discovered that when the problem occurs, I can see bubbles coming out of the fuel filter mounted on the right fender. (The filter is clear plastic.)The fuel level in the filter is almost at the bottom of it. I'm running an electric fuel pump only (no mechanical), although I used to have the same problem when I u…
Last reply by 240ZMan, -
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Before I replace the electric fuel pump on my 75 280z, I want to "flush" the gas tank out. The car has sat for the last 10-12 years. The previous owner drained the fuel tank while the car sat. The tank has a plug on the bottom and I removed it and stuck my finger in the hole and swiped the inside surface with a shop towel. No flakes or debris just a rust colored ash. The question is: Should I pour acetone in the tank to rinse the tank or use the fuel system cleaners at Walmart? There are no holes and the tank appears to be in good condition. I do not want to damage the new fuel pump. Any other ideas/tips would be appreciated. Thanks
Last reply by Bambikiller240, -
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Im trying to remove the propeller shaft on my 78 280. I got a little bit confused once I was getting ready to disconnect the shaft from the companion flange. Now, I have both the Chiltons Manual and the Factory Service manual and they both just say to "remove the four bolts from the companion flange" It looks very hard to get to them. The bolt with the tapered head is pointing to the rear and the differential carrier is in the way of getting to the bolts easy. Am I missing something here? Any Help would be kindly appreciated, since I am trying to move on with this project tonight. Regards M.K.
Last reply by MikiK, -
- 21 replies
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Seems that my z needs a new clutch. So far I have done all the work on the car and am not about to take it in to get a clutch put in by a mechanic, so i am going to do it myself. Does anyone have any suggestions on what I should look out for or anything that may make it easier to do the drop and swap??Thanks for your help.
Last reply by Bruskiz, -
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i'm planning on installing and early-type cam oiler into an internally oiled head (N47). i was wondering if there is anyone here that has done it or has read a tech article that they could pass my way... -jason
Last reply by e_racer1999, -
- 3 replies
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I've had a problem with my car for a long time and am wondering if this is typical of the car, or unique to mine. When I press on the go pedal there's considerable resistance then it breaks loose and the car lurches forward. It's hard to make a smooth take off. I checked the linkage and everthing is smooth and free turning with the engine off, then I started the car and the stiffness is there. It's like the vacuum on the throttle plates is causing the resistance. Does anyone know about this problem and how to correct , or minimize it ? Thanks for any help.
Last reply by 240ZX,
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