Fourtitude.com - A3 8p compound turbo K04/GT45 build
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    1. Junior Member
      Join Date
      Jul 31st, 2014
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      Tabasco México
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      43
      01-30-2020 11:35 AM #51
      Pics

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    3. Member Tcardio's Avatar
      Join Date
      Mar 19th, 2009
      Location
      75 Drayton Place, London
      Posts
      3,516
      01-30-2020 02:11 PM #52
      The gloves are off with this build!!!
      I hate cupholders

    4. Junior Member
      Join Date
      Jul 31st, 2014
      Location
      Tabasco México
      Posts
      43
      02-08-2020 02:38 PM #53
      New exahust cam with 2 lobe profiles

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    5. Junior Member
      Join Date
      Jul 31st, 2014
      Location
      Tabasco México
      Posts
      43
      02-08-2020 02:41 PM #54
      For the cam to fit I had to swap the cover and the lifters from a gen 2 EA888 Audi 4

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    6. Member
      Join Date
      Mar 28th, 2007
      Location
      iowa
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      346
      Cars
      '09 TT quattro
      02-08-2020 03:18 PM #55
      I'm sure you're already on it, but it's not a bad plan to verify tolerances at the cam journals with the new valve cover- or the best you can at least. There are head porting services that require the original cover to accompany the head to maintain dimensions.

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    7. Junior Member
      Join Date
      Jul 31st, 2014
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      Tabasco México
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      43
      02-08-2020 03:46 PM #56
      I got everithing from a used head with quite some wear on it, so I send it to a machine shop and now oil clearance is 0.0015 to 0.0020

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    8. Junior Member
      Join Date
      Jul 31st, 2014
      Location
      Tabasco México
      Posts
      43
      02-09-2020 12:04 AM #57
      The cam bridge has a pressed in check valve that can get loose and block the oil pasage to the top of the head, to prevent that I fixed it with a small bolt.

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    9. Junior Member
      Join Date
      Jul 31st, 2014
      Location
      Tabasco México
      Posts
      43
      02-16-2020 09:40 PM #58
      Engine and trans fully assembled

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    10. Member
      Join Date
      Sep 3rd, 2012
      Location
      South of Ponto
      Posts
      2,082
      Cars
      2012 Audi A3
      02-17-2020 11:29 AM #59
      I'm impressed. Also, a little curious. What kind of power do you expect to make? Is there a reason to have the larger turbo feed the smaller one? It seems like it should be the opposite, but from a packaging standpoint it makes sense.

      One last question, if you don't mind. When you drilled the hole for the bolt to hold in the check valve on the cam bridge, how did you do it? Did you measure at the top with calipers and then go to the bottom with a punch? Also, were you able to just use a cordless drill or do you have a drill press that can clear into that area? What size tap / bolt did you use?

      Sorry for all the questions. It really is great work.

    11. Junior Member
      Join Date
      Jul 31st, 2014
      Location
      Tabasco México
      Posts
      43
      02-17-2020 12:33 PM #60
      Quote Originally Posted by npace View Post
      I'm impressed. Also, a little curious. What kind of power do you expect to make? Is there a reason to have the larger turbo feed the smaller one? It seems like it should be the opposite, but from a packaging standpoint it makes sense.

      One last question, if you don't mind. When you drilled the hole for the bolt to hold in the check valve on the cam bridge, how did you do it? Did you measure at the top with calipers and then go to the bottom with a punch? Also, were you able to just use a cordless drill or do you have a drill press that can clear into that area? What size tap / bolt did you use?

      Sorry for all the questions. It really is great work.
      I would like to get 500whp, the turbo arrangement is a compound setup that is quite common on diesel aplications and is getting its way into gas engines, in simple terms is like puting a turbo on a turbo engine. The main reason for me is to have as little lag as possible, it drives like a stock k04 with the extra power on top.

      For the cam bridge I used calipers to meassure a punch on the outer part and a drill press, tap is m4 and I used red lock tite to hold the bolt.

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