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1st February 2021, 09:15 PM
#9821
Patrol God
Originally Posted by
mudski
Wish I had bought a panel style housing rather than the Fatz pod box I have now. Better flow out of the LS panel filter, larger total surface area = better filtration capacity and more of an even flow. The Fatz box the air hits the blank end of the filter first, then has to travel around to enter the element. The panel box, the air goes in, and straight through the filter with no flow disruption.
While its not ideal its not the worst out there. You can run a slightly shorter filter to allow some extra room for the element.
Its about trying to get the air to slow down as much as possible before the element so the element has the best conditions to filter the rocks out.
This is where k&n type filters are good. They will filter better at higher airspeeds and they also will continue to filter well until they are blocked.
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1st February 2021 09:15 PM
# ADS
Circuit advertisement
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1st February 2021, 09:40 PM
#9822
Originally Posted by
nissannewby
While its not ideal its not the worst out there. You can run a slightly shorter filter to allow some extra room for the element.
Its about trying to get the air to slow down as much as possible before the element so the element has the best conditions to filter the rocks out.
This is where k&n type filters are good. They will filter better at higher airspeeds and they also will continue to filter well until they are blocked.
Yeah I thought about getting a shorter filter. But then I think I will be better off changing the housing out.
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1st February 2021, 10:09 PM
#9823
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The Following 2 Users Say Thank You to MB For This Useful Post:
mudski (1st February 2021), Rossco (2nd February 2021)
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1st February 2021, 10:15 PM
#9824
Good choice. I know in the GU's, the Aux battery needs to be moved back 40mm or so to fit those big boxes in. Not sure with the Q's though.
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The Following User Says Thank You to mudski For This Useful Post:
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1st February 2021, 10:26 PM
#9825
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The Following User Says Thank You to MB For This Useful Post:
mudski (2nd February 2021)
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1st February 2021, 10:30 PM
#9826
Daily Lurker
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The Following 4 Users Say Thank You to rusty_nail For This Useful Post:
jack (2nd February 2021), MB (1st February 2021), mudnut (1st February 2021), Yeti's Beast (2nd February 2021)
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2nd February 2021, 07:44 PM
#9827
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The Following 3 Users Say Thank You to MB For This Useful Post:
mudski (2nd February 2021), PeeBee (2nd February 2021), Rossco (2nd February 2021)
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2nd February 2021, 08:38 PM
#9828
Originally Posted by
MB
Thanks to the Donaldson debacle you kindly saved me from Mate I’ve already shifted everything on the passenger side inner guard back at least 200mm
Sent from my iPhone using Tapatalk
No worries mate. Just as well you piped up and I saw your post. I do this stuff every day at work.
I had to design an intake system for a customer today for a 16.5L V12 Genset. It ended up running two Donaldson "Powercore" housings, one per bank, which were rated circa 800cfm each. Then a chap walks in wanting a new setup for his skidsteer loader.
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The Following 4 Users Say Thank You to mudski For This Useful Post:
jay see (6th February 2021), MB (2nd February 2021), PeeBee (2nd February 2021), Rossco (2nd February 2021)
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2nd February 2021, 08:56 PM
#9829
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The Following User Says Thank You to MB For This Useful Post:
mudski (2nd February 2021)
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2nd February 2021, 09:00 PM
#9830
@mudski, you have me confused. Here is the initial assessment you made re the TD42 turbo airflow requirements
'According to my book, air flow on this housing is 202 CFM, my air flow calculations for the stock N/a TD42 is 265CFM. Whack a turbo on it and it jumps to over 800', and then above
'for a 16.5L V12 Genset. It ended up running two Donaldson "Powercore" housings, one per bank, which were rated circa 800cfm each'
What I don't understand is how a 4.2 turbo engine requires say 800cfm and a 16.5L only requires 1600cfm? I am assuming the genset is running at a 'high idle speed and the TD42 at full snot? Curious to understand how you derive the flow ratings?
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