Pagoda SL Group

W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: Jack the Knife on March 10, 2023, 23:25:40

Title: Dimension of M129 Valve and Valve Stem
Post by: Jack the Knife on March 10, 2023, 23:25:40

Does anyone have these measurements handy for a port/polish job I'm outsourcing?

Title: Re: Dimension of M129 Valve and Valve Stem
Post by: DaveB on March 11, 2023, 01:57:32

valve specifications

Title: Re: Dimension of M129 Valve and Valve Stem
Post by: Jack the Knife on March 11, 2023, 02:35:55

Perfect! Thank you, Dave! The 250SE specs will work, as the M129 head is from a 250SE/M129 anyway.

Title: Re: Dimension of M129 Valve and Valve Stem
Post by: Benz Dr. on March 12, 2023, 04:30:21

Make sure they don't touch the throat below the valve seat too much. I find port matching to be of benefit.