Project Theseus

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  • Ont240
    Senior Western Member
    • Nov 2009
    • 1237

    Here are my measurements at the lowest points. Both are fairly close to the axle line so dips/speed bumps are not a problem.
    4" at the front and a good 3-1/2" at the back


    IMG_7248.jpg IMG_7245.jpg

    Comment

    • Noll
      I hate rust.
      • Jul 2017
      • 624

      Tinkering away at little projects, made some interior doorhandles yesterday. Nothing fancy but will do the job just fine till I eventually get door cards etc. A lot better than pulling on the inner door structure to close it lol.




      Comment

      • Noll
        I hate rust.
        • Jul 2017
        • 624

        New fan clutch showed up, so swapped that out. Old one was locked up solid (aka fan always matching engine rpm), but at some point after I parked it for the winter it seems to have freed up and started leaking out of the center seal. All the more reason to replace. New one is from Aisin.



        Comment

        • Ont240
          Senior Western Member
          • Nov 2009
          • 1237

          Good choice on the 8 blade fan. (ZX)

          Comment

          • Noll
            I hate rust.
            • Jul 2017
            • 624

            Originally posted by Ont240
            Good choice on the 8 blade fan. (ZX)
            Huh, I had no idea it wasn't original! I can't claim credit, was on the car when I got it. Glad to hear it's an upgrade though!

            Comment

            • Noll
              I hate rust.
              • Jul 2017
              • 624

              Haven't really done anything with the Z while it's been parked over the winter, but now that spring is underway I figured I should knock out some of the "nice to have" things I've been meaning to do.

              #1 - muffler replacement. Should actually be able to drive the car without needing earplugs now with any luck.












              Got the fuel tank sealed up too. With how bad it was when I started I suppose there was always a good chance that one pinhole would not get filled. Sure as hell not dropping to tank to give it another coat, so Seal-All to the rescue.






              No pics, but also pulled the speedo and tach out, replaced a burnt out turn signal bulb, and adjusted the speedo needle preload to hopefully make it read right (given I pulled it off to do the KPH speedo face sticker I'm thinking this is/was the most likely culprit for it reading high)


              Comment

              • Ont240
                Senior Western Member
                • Nov 2009
                • 1237

                FYI you have directional tires. Left rear and at least one other is rotating the wrong direction. OOps!

                Comment

                • Noll
                  I hate rust.
                  • Jul 2017
                  • 624

                  Originally posted by Ont240
                  FYI you have directional tires. Left rear and at least one other is rotating the wrong direction. OOps!
                  Yup, Just realized that when I was doing the muffler. I'm 99% sure I put them on right last year, I think they may have got swapped during the safety inspection last fall and I didn't pay attention after that. Will get them where they belong as the next job .

                  Comment

                  • Dr.Diesel
                    OZC Club Member
                    • Mar 2013
                    • 304

                    Noll, I wanted to ask you about your Magnaflow muffler. Prior to you putting it on the car, Could you look through the muffler from one end to the other? or is it baffled?
                    The reason I ask is, I bought a Borla muffler for my 240Z. You could see directly through the muffler out the other side. The Borla muffler is a high quality muffler. But, it's just too loud for the neighbours & it draws the attention of the Police in the city. In addition, the drone from the Borla muffler was just too much as well.
                    So, I was wondering if the Magnaflow muffler was baffled and are you happy with the sound?

                    Comment

                    • Noll
                      I hate rust.
                      • Jul 2017
                      • 624

                      Originally posted by Dr.Diesel
                      Noll, I wanted to ask you about your Magnaflow muffler. Prior to you putting it on the car, Could you look through the muffler from one end to the other? or is it baffled?
                      The reason I ask is, I bought a Borla muffler for my 240Z. You could see directly through the muffler out the other side. The Borla muffler is a high quality muffler. But, it's just too loud for the neighbours & it draws the attention of the Police in the city. In addition, the drone from the Borla muffler was just too much as well.
                      So, I was wondering if the Magnaflow muffler was baffled and are you happy with the sound?
                      Yep, it is a straight-through design with all the baffling being around the central void. I know it won't be as quiet as a fully baffled one, but figured it should help a lot versus what I had before.

                      I have yet to fire it up (I put fuel stabilizer in when I parked the car for the witner, but still want to mix in some fresh 91 for when I do the first start), will update you once I do so (which will be soon) . if noise is still an issue I have a motorcycle muffler baffle that I picked up a while back I'm thinking I'll modify and try out. Won't work in stock form as the main through-pipe is like 1" and the car won't start with it in, but I'm sure I can use the stock bits and some other tubing to make something that would be useful to stick in for roadtrips etc.

                      Comment

                      • zedfoot
                        Eric Zondervan, OZC ***** Monitor
                        • Aug 2009
                        • 1967

                        The Vibrant I ran with for years was fully baffled and still drove me crazy on 10 hour drives. I made up a tip with a baffle that screwed on with wing nuts. It cut the noise, but looked ghetto. I have a Corvair Monza turbo muffler that I welded flanges onto so I could quickly change it. It sounds perfect. Only problems are, it isn't stainless, and it takes too much luggage space on long trips if I want the stainless look at car shows. It is physically exactly the same as the Vibrant. If only I could find it in stainless, it would be the perfect solution.
                        Eric Zondervan
                        72 240Z
                        54 Chevy 3100 pickup
                        91 Nissan Figaro
                        11 Sierra 4X4
                        17 Nissan Juke Nismo
                        18 Audi SQ5
                        18 Polaris Switchback XCR 800
                        17 Yamaha FZ-10
                        65 Honda Moped

                        Comment

                        • Ont240
                          Senior Western Member
                          • Nov 2009
                          • 1237

                          I have a 3” magnaflow offset, and use this tip when i need more quiet. It fits inside 3” ss and over 2.5”.

                          i have a spare thats for sale and will bring to the swap meet.
                          972FAB23-FB24-495A-9116-B0258721215C.jpg F9D8885B-CE35-4CBE-98E5-9E8F132DBB2D.jpg

                          Here's what a one style of flow master should look like inside. IMO if the mesh had larger holes it would be quieter.
                          https://www.amazon.ca/Flowmaster-712...7BTCKH53&psc=1

                          Super turbo only has packing in one area.
                          https://www.amazon.ca/Dynomax-17731-...0029J3BG&psc=1

                          Magnaflow /flowmaster
                          THIS IS A GOOD TECHNICAL READ AS WELL!
                          https://www.motortrend.com/how-to/ma...-best-muffler/
                          Last edited by Ont240; 03-18-2022, 10:51 PM.

                          Comment

                          • Ont240
                            Senior Western Member
                            • Nov 2009
                            • 1237

                            I did some research on motorcycle " performance" mufflers whatever that means ??? Sales pitch! but to the point the packing that is used outside the baffle pipe is either a fiberglass matting or a more expensive ceramic material. Both have a life expectancy. The higher the exhaust temp, the sooner it burns out.
                            i rebuilt the muffler to my 1952 NSU 2 stroke, this winter. Packing material is not very expensive. Automotive mufflers tend to use diverter plates as well.
                            Last edited by Ont240; 03-18-2022, 10:53 PM.

                            Comment

                            • Dr.Diesel
                              OZC Club Member
                              • Mar 2013
                              • 304

                              I was considering a Yoshimura motorcycle muffler on my 240Z. But, I don't think it would flow enough exhaust gases through it without causing a restriction.
                              Unknown.jpg

                              Comment

                              • Noll
                                I hate rust.
                                • Jul 2017
                                • 624

                                My other potential plan (if it's needed) is to try out a baffle like this one:

                                https://www.amazon.ca/dp/B004XH6V2M/...=I7O4KNQLJEX1Z



                                They seem to get good reviews for being actually effective and cutting drone down.

                                Comment

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