Driving 4 Answers tackles cylinder offset (2024)

Well put together as per usual.

https://youtu.be/gwtZkHoVMso

Lots of stuff in that video conflicts with what those who have actually tested this stuff have found.

Today's pistons are offset 0.5mm toward the thrust side to reduce friction and minimize piston rocking noise.

Here's the Mahle white paper that goes over all of this in great detail. Piston offset is on page 154.

https://fdocuments.in/document/pistons- ... l?page=166

And in his comments after the video, he supposes piston offset is in the 15mm range. No way in hell.

dannobee wrote: ↑Mon Mar 27, 2023 9:43 amLots of stuff in that video conflicts with what those who have actually tested this stuff have found.

Today's pistons are offset 0.5mm toward the thrust side to reduce friction and minimize piston rocking noise.

Here's the Mahle white paper that goes over all of this in great detail. Piston offset is on page 154.

https://fdocuments.in/document/pistons- ... l?page=166

And in his comments after the video, he supposes piston offset is in the 15mm range. No way in hell.

Single cylinder MX bikes range from 0-12mm offset.

Didn't watch the vid, some of his past stuff I'm kinda like well what about this or that n.....

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dannobee wrote: ↑Mon Mar 27, 2023 9:43 amLots of stuff in that video conflicts with what those who have actually tested this stuff have found.

Today's pistons are offset 0.5mm toward the thrust side to reduce friction and minimize piston rocking noise.

Here's the Mahle white paper that goes over all of this in great detail. Piston offset is on page 154.

https://fdocuments.in/document/pistons- ... l?page=166

And in his comments after the video, he supposes piston offset is in the 15mm range. No way in hell.

He does at one point mention there isn't much in it and it's mostly now done on low height (short rod) engines with high operating speeds.

15mm cylinder offset to clearly show the effect.