Of the f & tfs I have had experience, only one has been trouble free when it comes to venting all the air from the coolant & it now stands in the driveway.
I’ll be under it later changing one of the coolant pipes & I don’t anticipate any problems. One good burp from each bleed point & forget.
I have however swapped the original MGR header for a VW design, that shouldn’t make a difference other than it might not ingest as much air when refilling.
M

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