Bedding/running in cams and flowed head

[pj_sibley]

I'll very shortly be fitting a flowed/ported head, matched inlets and Catcams 438s to my 182.

I've not found any definitive guides to bedding in the cams themselves (20mins at 2-3k rpm has been suggested, to avoid the higher wear potential at idle) and also to 'running in' the newly machined head to remove any fines/residues etc.

Does anyone have any advice on this?


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@bloke

 

[pj_sibley]

The other suggestion I've had is to do a second oils change after 20-30 miles, which seems reasonable/sensible.


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[bloke]

got to admit i've never really bothered with the whole running cams in. will keep a high idle for few minutes though.

 

[marc1330]

If you don't mind me asking, who did your head mate?

 

[pj_sibley]

If you don't mind me asking, who did your head mate?

Max @MS Custom Engineering in Frome, Somerset. He's the chap that does the matched inlets etc.

Parts arrived back with me yesterday and being installed next weekend.


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[White16valver]

I've not found any definitive guides to bedding in the cams themselves (20mins at 2-3k rpm has been suggested, to avoid the higher wear potential at idle) and also to 'running in' the newly machined head to remove any fines/residues etc.

I thought that heads were supposed to be spotlessly clean after work, to make sure there's no risk of engine damage?

 

[pj_sibley]

Absolutely! Which is why all of the parts are still packaged up and sealed in the box. They were cleaned before being delivered.


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