Turbo inlet screened or no screen?
05-04-2009, 10:17 PM
#1
Coal Mining Director
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Turbo inlet screened or no screen? Not enough room for a proper filter at high boost. Could easily make a 0.25 to 0.375 inch wire mesh screen....
A lot of turbo cars don't run anything at the track.
Anyone here running open inlets or screens at the track?
A lot of turbo cars don't run anything at the track.
Anyone here running open inlets or screens at the track?
05-04-2009, 10:24 PM
#3
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I was going put screens on a friends car last summer. Bought a big sheet of the screen and just out of curiousity stuck it up to the shops swamp cooler. I would guess it cut fllow by at least 50% and the holes were pretty large.
05-04-2009, 10:53 PM
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05-04-2009, 10:54 PM
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Window mesh screen would be pretty restrictive. 3/8 woven wire stainless would have a lot of open area. Just big enough to stop a gravel or nut from the track.
My K&N filter is rated at 486cfm at 1.5" pressure drop.....putting more than 750 through it...at a much higher PD.
Should make for a good test.
Turbonetics makes a Bell Inlet without a filter just to increase the flow.
My K&N filter is rated at 486cfm at 1.5" pressure drop.....putting more than 750 through it...at a much higher PD.
Should make for a good test.
Turbonetics makes a Bell Inlet without a filter just to increase the flow.
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05-05-2009, 10:05 PM
#10
FormerVendor
Fwiw when we built a bunch of the single turbo cars with the TTi hot parts 1 filter the size of yours was used.
Curious about restriction I dyno'd one of the cars (w/76gts turbo) with and without the air filter. Made identical power on both runs (a bit over 900rwhp).
I didn't measure actual pressure drop but I would guess it was minimal as it didn't translate into a power loss.
Curious about restriction I dyno'd one of the cars (w/76gts turbo) with and without the air filter. Made identical power on both runs (a bit over 900rwhp).
I didn't measure actual pressure drop but I would guess it was minimal as it didn't translate into a power loss.
05-05-2009, 10:53 PM
#11
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Fwiw when we built a bunch of the single turbo cars with the TTi hot parts 1 filter the size of yours was used.
Curious about restriction I dyno'd one of the cars (w/76gts turbo) with and without the air filter. Made identical power on both runs (a bit over 900rwhp).
I didn't measure actual pressure drop but I would guess it was minimal as it didn't translate into a power loss.
Curious about restriction I dyno'd one of the cars (w/76gts turbo) with and without the air filter. Made identical power on both runs (a bit over 900rwhp).
I didn't measure actual pressure drop but I would guess it was minimal as it didn't translate into a power loss.
05-07-2009, 09:31 AM
#17
FormerVendor
Yeah it's all about area. Cut apart even a small conical filter and flatten the screen section out. Huge area compared to any type of screen you could attach to the inlet.
