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    Thread: Cylinder Head Decking

    1. #1
      What's wrong with my car?
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      Cylinder Head Decking

      Repairing cylinderhead old school way. Did not want to spend the $600 on valve lapping, cleaning, decking, General refurbishment of head. Head was warped so I decked it myself. ( YES I know the head could / should have been heat cycled to straightened.)
      Question:
      What is the bare minimum of the Head thickness?
      .
      ( from valve cover sealing face to head gasket sealing face.... no gaskets included.)
      I'm checking next to see how close the valve to piston clearance is.



    2. #2
      2004 1.6 Auto Rust Free
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      Minimum is 5.280”.

    3. #3
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      That is the reason I'm checking . It's 5.270" after decking

    4. #4
      2004 1.6 Auto Rust Free
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      Time for a new head, or cut it more and buy a .020 shim. Junk yard head may be the way to go.

    5. #5
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      Going for the double gasket. Will report back sporadically to let everyone know how it went .
      I checked the piston to valve clearance by assembly of head , timing belt, and clay on piston. Intake valve will have .07in clearance.
      Wish me luck.
      Going with 2 MLS FEL PRO GASKETS.

    6. #6
      What's wrong with my car?
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      Have put 1000 miles on engine now and no problems. Broke in around country roads and suburbs 0-35-50 sporadic speeds and rpms (not high). Then 45-55 on interstate, then bumped up to 50-65 for hour long drive .
      The 8th day went 55- 80 mph for about 1hr
      9th day tried hard take offs and 70- 80 for and hour or more . Now just driving normal to work under 70mph normal , not hard throttle .
      Getting 33 mph. Back and forth to work.(suburbs and interstate)

    7. The Following User Says Thank You to marketwatcher For This Useful Post:

      Enxebre (03-15-2022)

    8. #7
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      I agree with you, thanks for your sharing.
      how to get sponsored for running

    9. #8
      What's wrong with my car?
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      5000 mile update

      Quote Originally Posted by marketwatcher View Post
      Have put 1000 miles on engine now and no problems. Broke in around country roads and suburbs 0-35-50 sporadic speeds and rpms (not high). Then 45-55 on interstate, then bumped up to 50-65 for hour long drive .
      The 8th day went 55- 80 mph for about 1hr
      9th day tried hard take offs and 70- 80 for and hour or more . Now just driving normal to work under 70mph normal , not hard throttle .
      Getting 33 mph. Back and forth to work.(suburbs and interstate)
      .
      5000 miles later ....
      Still running good , NO LEAKS !
      only problems now is my catalytic converter is showing inefficiency on the scanner.
      ( not related to double gasket )
      Gas milage has gone down because I swapped to 15" rims and larger tires. 205/55/15.
      Also not going easy on throttle anymore. Average is 28 mpg . Still staying under 80mph and 5000-5500 rpms





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