P75 TB modifying.

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P75 TB modifying.

cinq7540

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Oct 21, 2010
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Is it really worth boring out that little bit extra??

there would be a huge lip. But how about if rounded/gas flowed then would that be enough, is there any need for all that extra area and at the end of the day the main through path is still 8mm bigger(25%) surely thats the important bit. Could the lip even speed up air flow some how?????
(as said before this is all very new to me)
 
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