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  1. Vicus

    FMX Transmission dipstick question

    That's how a FMX dipstick looks like, when it is fully pushed inside its tube. There is usually no bend at the end and also nothing to which the bend can engage.
  2. Vicus

    Engine failure after 20000 km.

    Fortunately, I still have a Lunati flat tapped camshaft with hydraulic tappets and roller rocker arms on the shelf. The components will find their way into the engine. I bought the Lunati kit before Covid. The saying that it's better to have than to need proves itself right again and again in...
  3. Vicus

    Engine failure after 20000 km.

    What leads me to believe that the sunken exhaust valve and the resulting change in the geometry of the valve train is the cause of the damage is the fact that exhaust valve #5 has also sunken. Not yet as deep as that of #2, but the push rod of #5 is also already slightly bent and is already...
  4. Vicus

    Engine failure after 20000 km.

    When dismantling the engine and checking the removed parts, I noticed the following: 1. the hydraulic tappet of exhaust valve #2 has a burr on the camshaft side that can be clearly felt with the fingertip. 2. this hydraulic tappet was difficult to remove from its seat. It might be slightly...
  5. Vicus

    Engine failure after 20000 km.

    Thank you all very much for your diverse opinions. Nobody expects everyone to have the same opinion. First of all, I would like to mention that I am not part of the restomod movement. I chose a classic car, in this case a 72 Mach1, in its original state, because I like driving a car with this...
  6. Vicus

    Engine failure after 20000 km.

    Not yet, Geoff, but I have to postpone the project until I'm allowed to retire. Then I will have more time at my disposal. It wasn't planned that the engine would break down before then, but as they say: things usually turn out differently thank you think.
  7. Vicus

    Engine failure after 20000 km.

    I should really think about an OD gearbox, whether AOD transmission or Gearvendors OD. However, the 2.75:1 rear axle reduces the revs by ~15% compared to the currently installed 3.25:1. That is immense.
  8. Vicus

    Engine failure after 20000 km.

    I was always of the opinion that the general top speed of 55 mph was only introduced in the USA in 1974. Therefore, all older vehicles should have been designed for higher speeds. Whether the roads and traffic allowed higher speeds remains to be seen. Generally speaking, if a car is to be...
  9. Vicus

    Engine failure after 20000 km.

    Spike, yes I can very well imagine that this is common practice in every engine shop in North America. Unfortunately, this is not common practice at engine shops here in Germany. Perhaps they also refuse to do it because they can simply make more money repairing a classic Mercedes or Porsche...
  10. Vicus

    Engine failure after 20000 km.

    Thank you, that's a valid point. I will definitely replace the pushrods and hydraulic tappets.
  11. Vicus

    Engine failure after 20000 km.

    Chuck, thank you very much for your offer to help. I have already discussed the subject of CHI cylinder heads with Abudi. At the moment, I'm leaning towards the CHI 2V heads. These seem to be designed in the style of the Australian 2V closed chamber heads and fit my intake manifold as well as...
  12. Vicus

    Engine failure after 20000 km.

    Registration as a classic car becomes more difficult every year and is not granted for eternity, but is generally checked every two years during the regular TÜV inspection. Many owners of modified classic cars simply take the risk and hope that they will get away with it. As long as there is no...
  13. Vicus

    Engine failure after 20000 km.

    Roland, that certainly didn't happen overnight. It was a gradual process since the valve started to sink. At some point, the wall of the push rod simply wore through. A ridge then forms there, which suddenly inhibits the movement of the push rod. I will definitely have to check whether this...
  14. Vicus

    Engine failure after 20000 km.

    I've also thought about a transmission with overdrive. In most cases, however, my Mustang would then lose its registration as a classic car. I think that installing the original 2.75:1 differential on the rear axle will help considerably.
  15. Vicus

    Engine failure after 20000 km.

    Perhaps one more note: since I rebuilt the engine in 2019, a lack of oil pressure or high water temperatures have never been a problem. I had the engine completely disassembled and cleaned. All water channels were flushed several times and all oil channels were also meticulously cleaned. The...
  16. Vicus

    Engine failure after 20000 km.

    I usually drive my Mustang on the back roads. Here, that means a speed of around 80 km/h or 50 mph. On long journeys, I can't avoid the highways. Then I go around 120 km/h, plus 20 or 30 when I overtake someone. If I were to drive slower, I would be a traffic obstruction for everyone else...
  17. Vicus

    Engine failure after 20000 km.

    That's right, Geoff. But I can repair an engine myself. Bent body panels would be a bigger disaster for me. Fortunately, this season has already lasted a bit and I've already been able to put over 2000 km on the clock. So it doesn't hurt too much when I'm back in the workshop instead of sitting...
  18. Vicus

    Engine failure after 20000 km.

    When I need spare parts for my Mustang, I try to use either original parts or, if this is not possible, quality spare parts. In the engine, for example, I have the original crankshaft with original connecting rods and pistons. The standard oil pump, not a high volume or high pressure, is from...
  19. Vicus

    Engine failure after 20000 km.

    On closer inspection, I can see that the push rod of exhaust valve #5 also shows signs of grinding. I can only assume that the pushrod of exhaust valve #2 had been scraping along the edge of the cylinder heads for some time and now the time had come for a burr to form there, which triggered the...
  20. Vicus

    Engine failure after 20000 km.

    These are the original cylinder heads and I had already asked several engine builders in the past about fitting hardened seat rings. Unfortunately, no one here in Germany wants to do the work. They argue that the valve seats of the two valves are too close together due to the angled design and...
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