Exhaust Size for HDi

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Exhaust Size for HDi

welshpug Offline

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16-09-2016, 05:16 PM (This post was last modified: 16-09-2016, 05:16 PM by welshpug.)

(16-09-2016, 03:50 PM)Poodle Wrote: Diesels need more airflow than petrols because of the higher afr

Nope, afr between diesel and petrol is very close at stoichiometric point, however the calorific value is different.

look at it as an air pump, then fine tune from there.

http://www.exhaustvideos.com/faq/how-to-...31250#easy

interesting numbers there, I haven't gone any further with the calculations, but it should be straightforward to work out what a 2000cc engine at 1 bar boost running up to 5k rpm will be flowing.

need a part number? http://public.servicebox.peugeot.com/ and http://service.citroen.com/ will sort you out.

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