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tony z

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About tony z

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  1. Jake has a video on Youtube that shows how to use an endoscope thru the oil sump to access if cylinder scoring is, or has, occurred. I would suggest that you should check it out and determine whether you want to do that. Scopes are quite cheap and accessing the sump is quite easy. cheers
  2. Hi I have question on proper orientation of the timing chain rails for cylinders 1-3 and 4-6...the attached picture refers. I have indicated what I think their orientation should be in relation to the IMS shaft in the attached picture. If you enlarge the picture you will see that both bolt holes nearest where I have written "IMS shaft" are oval and the ones furthest away are round. Please advise if I have the orientation correct Much appreciated
  3. To complete the loop. I had it checked for balance and it was near perfect. Thanks for your advice. I now on to installing the new timing chain guide rails. Unfortunately Its been such a long time that I cant remember the orientation of the two rails which have two retaining bolts. I have two new rails so I know which cylinder banks (1-3 and 4-6) they are supposed to go in. I presume the most tapered end of each rail which has the oval bolt hole should be inserted towards the crankshaft ? cheers
  4. The web link below has Flat 6 Innovations stating that they "weld and/ or pin every sprocket and drive. Overkill does not exist when I assemble one." https://rennlist.com/forums/996-forum/928373-has-anyone-had-their-ims-gears-welded.html My M96 IMS shaft has the larger sprocket pinned and 3 weld points on the two smaller sprockets. Each weld length is pretty much equal and spaced roughly equally around the sprocket circumferences What is not clear is whether or not the shaft would need to be balanced after the tig welds are applied. I intend to use the LN Engineering IMS Solution bearing. Not sure if that would make a difference as to whether the shaft should be balanced after welding or not ? Your expert advice would be very much appreciated. Thanks
  5. Thanks, that makes perfect sense as did you explanation of torque to yield.. The Porsche workshop manuals are a bit confusing........... I still havent been able to figure out what I am supposed to check with respect to the sealing balls on the crankshaft carrier. There are 6 present but I have no idea what is meant by them being correctly caulked !!
  6. Hi again When I asked this forum about their recommendations I had already logged a message with Pelican Parts on the micro encapsulated bolt issue. I was more than happy with the two responses I received from this forum. For that many thanks. I wish I had not asked Pelican !!. They just came back to me saying; ....... Best practice is to replace them with new microencapsulated ones. None of us have enough experience with reusing them to make a solid recommendation. I intend to take your technical advice but thought you should know what Pelican had to say. . cheers
  7. Hi Page 89 of the Carrera (996) Group 1 workshop manual has a diagram which illustrates where the drei Bond sealant is to be applied to crankcase half 4 – 6. This diagram differs from the one on page 232. Does any know which diagram is correct for a 2003 996 3.6 litre engine. Additionally it seems a bit strange that both diagrams omit applying sealant in certain areas. Aside from that both diagrams are a bit fuzzy. Maybe there is a better quality copy somewhere on line ? Thanks for your assistance
  8. Thanks. for that. I shall proceed as you recommend unless someone else has a contrary view ! cheers
  9. Thanks....I meant to note that I intend to reuse the old bolts and just apply loctite .....is that Ok to do ?.. The bolts are the ones that attach to the crankshaft carrier to hold the chain guide and black plastic oil separato thanks
  10. Hi Can loctite or a similar compound be used on bolts 9921800501 and 90007548601.....I have been told Loctite 243 or 260 is suitable but I just wanted to check. thanks
  11. Thanks much appreciated. So if porsche dont sell valve seats I presume the machine shop can fabricate new seats ? Thanks
  12. I see that some say that all valve seats should be replaced during a rebuild. Problem is it seems that Porsche doesnt list them on their parts list. Anyone got any idea how to proceed ? Thanks
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