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catch can. emissions H2


hybridmoments

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what is the rule in HC, H2 in particular, regarding catch cans, exhaust scavenging crankcase pressure, etc.

do you have to use stock crackcase pressure locations? can you modify the valvecover (weld in -AN bungs)

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what is the rule in HC, H2 in particular, regarding catch cans, exhaust scavenging crankcase pressure, etc.

do you have to use stock crackcase pressure locations? can you modify the valvecover (weld in -AN bungs)

 

Here's your answer in the rule book:

 

7.4 Oil System

a) Engine oil coolers and remote oil filters of unrestricted origin may be used.

b) Valve covers may be modified only to accommodate a breather and/or filler.

c) A pressure accumulator such as an Accusump may be used.

d) Oil pans and all related items such as baffles, pickup, pump and scrapers may be added/replaced

with others of unrestricted origin. (No dry sumps unless OEM.)

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