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  1. Johan Ottosen

    Burtz high compressinon head 6.5:1

    It would be fun to see the difference on paper. By the way, love your videos!
  2. Johan Ottosen

    Burtz high compressinon head 6.5:1

    I have no idea how many degrees, as I have no means of testing it. But it feels that the engine runs better advancing furthest at higher speeds. I advance 1/3 at city speeds and 2/3 at 70-80 kph
  3. Johan Ottosen

    Pros and cons of installing needle bearings in the 7-tooth steeringbox?

    Good thinking, Synchro909. I will take that under advisement.
  4. Johan Ottosen

    Pros and cons of installing needle bearings in the 7-tooth steeringbox?

    Hi everyone. I have questions regarding installing needle bearings in the 7-tooth box. The boring of the sector housing excluded, what are the pros and cons of the needle bearings? - Is it more difficult to adjust? - Is easier to steer at a stand still? - What do I gain if I install them?
  5. Johan Ottosen

    Burtz high compressinon head 6.5:1

    It is deliberately designed to suck more water from the back of the engine. In my opinion it works.
  6. Johan Ottosen

    Burtz high compressinon head 6.5:1

    Hi everyone. I forund that the clearance for the "bump" was enough. BUT I had to take some of the cast iron off the head to accommodate the lift of the IB330 cam and the large, 1.73# intake valve. I measured every valve clearance in the head by applying play-puddy in the head sand lower it onto...
  7. Johan Ottosen

    Burtz high compressinon head 6.5:1

    Thank you, nkaminar. It is on and running. I had to take something off the head to accommodate my 1.73" intake valves and IB330 cam. The dents where kept.
  8. Johan Ottosen

    Burtz high compressinon head 6.5:1

    Yes. It runs fantastic. I had to make adjustments for my enlarged intake valves, though. I dremmeled off a portion of the chamber over the valve.
  9. Johan Ottosen

    No slack possible in 7 tooth steering?

    Thank you. That is good news! I will give the needle bearings some more thought.
  10. Johan Ottosen

    Proper radius ball install (no rubber ball)

    I found a reason for my loose 1929 radius ball: The bolt holes in the bell housing had been grinded down in the casting by nearly a century of use - so far down that they could not even reach the pin that is supposed to secure them. Solution: I put a couple of shims on the bolts to elevate them...
  11. Johan Ottosen

    No slack possible in 7 tooth steering?

    Hi all. I have a 7 tooth steering colum in my 1929 daily driver. It has about 3" slack. If I refurb it with new internals, bore it out to accept the a-3574 needle bearings and a sector seal kit, can I expect no slack? Does anyone have experience with this?
  12. Johan Ottosen

    1.73" intakes with a Burtz 6.5 head

    I have had to modify my new Burtz 6.5 head, on a freshly decked block with new 1,73" valves, IB 330 cam. The engine runs fantastic. I placed modeling clay in the head, and - over several cycles - lowered the head, without the head gasket - with valves and studs in place, onto the engine. It left...
  13. Johan Ottosen

    Burtz high compressinon head 6.5:1

    Thank you old31. If it dosent matter, thee is no need to make any corrections :-)
  14. Johan Ottosen

    Burtz high compressinon head 6.5:1

    Hi CT Jack. I am referring to the cast iron finish inside the cylindertop as you can see on this picture … On each surface there is a round protrution …
  15. Johan Ottosen

    Power slot in an model a engine?

    Thanks all. You have been very enlighening! I will stick to leveling the deck :-)
  16. Johan Ottosen

    Burtz high compressinon head 6.5:1

    Hi everyone. I have just recieved the Burtz 6.5:1 High Compression Head, as you can see in the pictures. And I have two questions: - is the imperfections in the texture over the pistons there by design? - Is an uneaven surface better than a complete level one?
  17. Johan Ottosen

    Power slot in an model a engine?

    Hi everyone. I saw a Ford v8 engine beeing machined on youtube. They made a groove between the cylinder and valves - a so called Perfoemance Slot. They said that i Pulled mutch better from this. Is there any merrit to this and is this aplicable to the Model A? Johan Ottosen Toudor early 1929
  18. Johan Ottosen

    Burtz cylinder head info thread

    Hi everyone. I have just recieved the Burtz 6.5:1 High Compression Head. As you can see in the pictures. And I have a question: is the imperfections in the texture over the pistons there by design? Is an uneaven surface better than a complete level one?
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