Everything posted by Ed
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Do I have to change the head gasket?
Unless it got stuck on something on the way down like the chain or sprockets, I'd say it's in the pan. I too would try fishing for it first. Like Zedrally said, you don't need to remove the head, but if you ever do remove the head for whatever reason you will always need to replace the head gasket.
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Fitment issues with cast oil pan??
I've said it before and I'll say it again. It's good to see someone putting the stands in the best possible location. Right behind the T/C cup. Where the metal is the thickest.:classic:
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Dyno results - what do you think?
Pretty interesting. Notice how the torque peaked right before 2.5k and stayed the same. I don't think your gonna gain much more than that without $$$. But with the basic set up you have I'd be happy. Thanks
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Help!!!
Looks like the 3 screw round tops off a 72. Replace the little hoses at the bottom with some factory or ztherapy hoses. And don't set your carbs down on the bottoms like in the picture. You could bend the needle assembly.
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Fitment issues with cast oil pan??
I've used the bolt holes that the "eye's" are supposed to be bolted to. One up front by the fuel pump the other the #6 exhaust stud. Linked a chain and used grade 8.8 bolts. I was thinking couldn't you raise the car and put it on jack stands. Then raise the engine until it came off the mounts. Then lower the crossmember? There are only four bolts that hold the crossmember to the frame. If there is a issue with alligning the bolt holes after your done, you could take out one bolt each side and put a long bolt in it's place (just to hold it). Depending on how long your bolts are would determine how much space you get.
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I'm Lucky to be Alive?
Nate, sorry for your bad news. I don' t know how available rust free shells are. Or if they even exist? Depending on how much you have invested it might be worth repairing your current car. That's the beauty of working with metal you can bend & shape it to your specs. Put your car up and survey the damage. Post some pictures and maybe someone here can give you some suggestions.
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I was wondering.
I'm a home and work guy, if the boss (wife) gets on me for spending too much time on at home then I just wait till I get to work. There nobody really cares.:classic:
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Zcarlongbeach2004specialstickerforme
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cockpit
Absolutely beautiful! Great work Kats! Is that a flare on the passenger side? I remember when I lived in Okinawa my car having that.
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More electrical trouble, need suggestions
Tom, sounds like you have a short somewhere. Start by inspecting all your ignition wires. Clean all connections with some sandpaper and use some dielectric grease. You need to be thorough and insure you don't have a short anywhere. I can't remember this test so someone help. You should be able to connect a voltmeter to the battery or it's connecting wires to see if there is a drain or short. HELP????????????
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Cam Choice
280zgod, I understand your need for speed. I think all of us do. But I can tell you that a little more is never enough. It addictive first this, then that, it really doesn't stop. Until you run out of money or bolt on mods. Seeing that your on a budget you might want to reconsider the cam. Properly done parts alone will cost you close to $500 bucks. I know MSA offers the cam for $160 but that will only get you started. You will need new springs, rockers and lash pads. You don't want to do one without the other or you might as well send me the money cuz you will be doing it over again. Without new parts you will destroy your new cam. Now if you have the money to do it right I would go with cam A, .480 lift and 274 duration. Anything hotter and you will start to have problems. If it was me I would first tend to the # 6 cylinder which seems to have low compression compared to the other five. You mentioned you had a N42 head. The N42 is a good head and has the large valves. Only bad thing is it has less than desirable intake valve seats. With age these seats tend to "sink" (I can't think of the correct word). And would probably need replacing along with a valve job. I could go on but I better not. Let me know if you have anymore questions.:classic:
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Frame rail repair?????
Found this on e-bay and thought it was a weird way of repairing the frame rails. Notice the notches. And is he just covering up the old rusted metal? What do you guys think?
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Cam Choice
Porting = Opening up the intake and exhaust passages by removing extra casting material. Take your finger and run it along the port walls. You will feel little bumps and extra casting material. Now you can have mild port work done where only the rough surface is removed or you can have the port worked and opened up to it's maximum effeciancy (done properly with a flow bench and years of experience). Polishing = This is where you polish the port wall to a smooth mirror finish. You will hear contriversy on this one. Some people say polish only the exhaust ports for smooth air flow. But leave the intake port walls rough to promote air flow. If you have a smooth surface in the intake then your air/fuel mixture will stick to the walls.??? Valve job = Replacing or resurfacing valve seats. As long as the valve is still in good condition, they will cut a 3 angle surface on the valve (for better air flow). They should also check the valve guide to valve stem clearance.
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Cam Choice
There are other factors you must consider before purchasing a cam. Someone correct me if I'm wrong. 1. Will you ever use this car on the street to go get groceries? 2. What sort of fuel system will you be running (carbs or injection)? 3. What type of engine do you have (L24,26 or 28)? 4. Which head do you have and does it have any port work? 5. What type of exhaust are you running? 6. What type of ignition system (stock points, electronic, or other)? 7. Have you upgraded the brakes yet? As you can see these are some factors that will determine what cam will best suit your needs. The more upgrades ($) the engine has the bigger cam you can run. But on the other side of the coin you won't be able to drive it on the street without loosing a couple of fillings.:classic:
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'72 240Z Original In Arizona
Whats with the cloth seats?
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Do I really need this stud? Or, how to remove a helicoil gone bad?
Since you have the head off I too would take it to a machine shop. I had bought a head where the PO obviously tried to do some machine work himself and the drill went the wrong direction. What a mess. I had to have the hole welded, redrilled and retapped.
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Thank god it wasn't my Z!
Yes it was. She's quite the handfull.
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How much ground clearance?
On mine the front crossmember was about 5" from the ground. I found this a bit too low for a couple of reasons. 1. My jack is 5 1/2 high, so if I wanted to jack the front end up I would always have to drive my car onto a couple of 2x4's. 2. Going over speedbumps was always a nailbiter. I would creap over as slow as I could go because if the bump was a bit too high when my car would come down the exhaust would hit. 3. If you have a front spoiler. Going up and down driveways that had a bit too much angle would result in a scraped spoiler. You might not see speed bumps or driveways everyday but that one time you do you will find yourself between a rock and a hard place. $.02 I will be keeping my car at the same height because I love the way it looks.
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4 Strut cartridge installation
One thing that the manual won't tell you to do. You will probably notice it when you remove your old cartridges. Before you put in your new cartridge you need to put about 1/4 cup of ATF in the strut assy (in the hole where the cartridge goes). Not only will this help prevent moisture from rusting out your cartridge it also helps disipate any heat that builds up during heavy use.
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Thank god it wasn't my Z!
Sounds like I need to go out and get a "sacraficial" car. My daughters are approaching driving age. I took my oldest (13) and gave her a lesson in my Maxima. She couldn't stop laughing, the whole time, ha ha, ha ha, ha ha, . I felt like I was with Beavis. I can hear it now "Dad can I borrow your Z to go out with my friends"? Who will be lauging then?
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4 Strut cartridge installation
This is the way I did mine. If you have the stock springs you should use spring compressors or you will have a hard time clearing the wheel well.
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Is this my problem?
After sitting for three year you could have several problems. Brakes sticking, master cylinder sticking, or e-brake cable. You will have to give her a "physical" start by removing the rear drums and inspect the cable, cylinder and the shoes. Once the rears are working good move on to the front. Remove the calipers and see if you can manually push the piston back into the caliper. Sometimes these will rust and get stuck to the caliper. If you plan on driving it for a while you should rebuild or get some new calipers. It's good stopping insurance. Bleed your brakes with some fresh DOT 4.
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large heads
O.K. Now who's the dummy? I took the test and at the end it wants my credit card information to send me the results. I got my results. 127. No credit card required:stupid: .
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Manifold studs
Here is a picture of a head (N42) for reference. As far as I know and someone please correct me if I'm wrong, numbers 1-11 red are all studs. And numbers 12-17 blue are all bolts. Which ones are supposed to be the long studs I don't know. Maybe someone else knows?
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Manifold studs
Joseph, not sure if they are the same but the bolts on my 72 have a T R and #7 stamped on them.