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Old 09-29-2012, 10:37 PM
robertobaggio20 robertobaggio20 is offline
Location: earth
Join Date: Oct 2009
Posts: 3,403
Mein Auto: car
This is an interesting article on Mcfarlane dimples :

This is an interesting forum thread on Somendar grooving :

I don't think that m50s have much of a squish plate, but there is a little space on around the valves for grooving. It looks too small though but I've not studied it up close and personal.

Check this out :

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