HFC Engine Damage?

4r3s · 08-14-2010, 06:21 PM

Im not a mechanic by any means but it seems like to me, if this were to actually happen, a regular cat would have a higher likeliness of clogging and spitting **** back than a hfc that is designed to keep the exhaust flowing more easily. Or am I missing something here on how the two items are fabed.

Abdiel · 08-14-2010, 06:52 PM

well, higher/faster flow can go both ways so, logically, it would be easier for something to be sucked back in a HFC vs OEM...

FueledByRamen · 08-14-2010, 11:10 PM

"There is a time when both valves are open and the vacuum created by the intake stroke can pull a small amount of the debris from the cat. The debris will damage the cylinder wall and create an excessive oil consumption."

kevin.z · 08-14-2010, 11:28 PM

^is that true? what about testpipes?

G Fo12ce · 08-14-2010, 11:56 PM

I've heard of turbo cars sucking up the broken end of an EGT senor in the downpipe and damagine the turbine wheel.

08-14-2010, 11:56 PM	#20 (permalink)
G Fo12ce Premium Member Join Date: Nov 2009 Location: Socal Posts: 996 Drives: Sold! Rep Power: 52	I've heard of turbo cars sucking up the broken end of an EGT senor in the downpipe and damagine the turbine wheel. __________________ Nismo Suspension: New Owners Check Here!

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08-14-2010, 06:21 PM	#16 (permalink)
4r3s A True Z Fanatic Join Date: Dec 2009 Location: MD Posts: 2,077 Drives: Touring 370z Rep Power: 25	Im not a mechanic by any means but it seems like to me, if this were to actually happen, a regular cat would have a higher likeliness of clogging and spitting **** back than a hfc that is designed to keep the exhaust flowing more easily. Or am I missing something here on how the two items are fabed.

08-14-2010, 06:52 PM	#17 (permalink)
Abdiel Base Member Join Date: Jan 2009 Location: Detroit, MI Posts: 73 Drives: 09 G37S 6MT Rep Power: 16	well, higher/faster flow can go both ways so, logically, it would be easier for something to be sucked back in a HFC vs OEM...

08-14-2010, 11:10 PM	#18 (permalink)
FueledByRamen Base Member Join Date: Aug 2010 Location: Laguna Niguel, CA Posts: 5 Drives: black 370 sport Rep Power: 15	"There is a time when both valves are open and the vacuum created by the intake stroke can pull a small amount of the debris from the cat. The debris will damage the cylinder wall and create an excessive oil consumption."

08-14-2010, 11:28 PM	#19 (permalink)
kevin.z Enthusiast Member Join Date: Oct 2009 Location: vancouver(shipping:WA Posts: 359 Drives: 09 370z M6 PGtouring Rep Power: 16	^is that true? what about testpipes?