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Solid Lifter Valve Adjustment Spreadsheet

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

highmiles
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highmiles

Re: Solid Lifter Valve Adjustment Spreadsheet

Post by highmiles » Wed May 01, 2019 9:50 am

Jimmy's post is the one that I cribbed the methodology from, just made it a bit more automated. I did confirm the clearance tolerances with another source.
Great ideas on the spreadsheet development! The hardest part will still be reading the size on the bottom of the tappet, seems what ever they are marked with at the factory likes to come off with the same chemicals necessary to clean them enough to see it! I am sure a micrometer would be the answer here.

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RickHaleParker
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Re: Solid Lifter Valve Adjustment Spreadsheet

Post by RickHaleParker » Wed May 01, 2019 1:43 pm

highmiles wrote:
Wed May 01, 2019 9:50 am
The hardest part will still be reading the size on the bottom of the tappet, seems what ever they are marked with at the factory likes to come off with the same chemicals necessary to clean them enough to see it! I am sure a micrometer would be the answer here.
This is my theory never done it this way:

In order to null the effects of thermal expansion and systematic measurement error.
1. Measure a known reference tappet.
2. Measure the bucket tappet.
3. Calculate the difference.
4. Sum the difference with the known reference tappet.
5. The sum is the size of the bucket tappet.

This would be easy to test with two known reference tappets.
If you keep records you should have 20 known reference tappets.

If you do this with your 20 tappets and the calculated values are in agreement with the known values. You would accomplish three thing, Prove the theory, verify that the 20 tappets are still good and reusable with the stamped values and have an educational experience.
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Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, B8444S TF80 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger. V8 conversion in progress.

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