Single Turbo RX-7's Questions about all aspects of single turbo setups.

Air filters for big singles. post pics.

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Old Oct 9, 2002 | 07:38 AM
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ls1's rock!
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From: Bankok
Air filters for big singles. post pics.

I have a T-76 single on my car and it currently has piping leading to a K&N conic filter.

I have seen on some of your single set upsyou use some flat sponge filter (i think its a HKS or Greddy).
where can you get these how much do they cost and do they outflow the K&N filters.
I need a thin profile so it can mount directly on the turbo inlet and not hit my radator.

and can you post pictures of your single filters on it.

thanks.
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Old Oct 9, 2002 | 09:32 AM
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From: All Over
Mine has a pretty thin profile.

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Old Oct 9, 2002 | 09:37 AM
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ls1's rock!
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From: Bankok
ya i might use that for when i go racing but with these thick mosquitos in ohio ill need somthing better for the street.

are you on columbus racing.com?
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Old Oct 9, 2002 | 10:08 AM
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Originally posted by smokeAcop
ya i might use that for when i go racing but with these thick mosquitos in ohio ill need somthing better for the street.

are you on columbus racing.com?
ya, currently I'm JustOneEggBeater on CR, #4 on the Top25. Soon to be 2.

shhhh...don't tell Kenny he's gonna get smoked...

K

Last edited by nocab72; Oct 9, 2002 at 10:18 AM.
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Old Oct 9, 2002 | 12:24 PM
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The foam filters that you get from HKS and Greddy don't do a very good job of trapping dust and dirt. In fact, they let a lot of crap get by. They might outflow the K&N but I don't think it would be worthwhile to swtich.

I got rid of the foam filter I got with my T-78 in part because the plastic (cheap) casing cracked.
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Old Oct 9, 2002 | 12:31 PM
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ls1's rock!
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From: Bankok
Ya thats what i was looking for.
you say they donet filter well, how bad.
What are you useing now then crazycanuck?
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Old Oct 9, 2002 | 12:39 PM
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Here's the new filter, it's a very fine stainless steel mesh, I can't remember the brand (it's Canadian) but it's doing a better job than the foam did. Now when I take the filter off the turbo, the mouth of the compressor isn't covered in grit.

Last edited by CrazyCanuck; Oct 9, 2002 at 12:44 PM.
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Old Oct 9, 2002 | 04:39 PM
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ls1's rock!
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From: Bankok
hey do you want to get rid of your old filter?
let me know how much you want for it, then.
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Old Oct 9, 2002 | 05:47 PM
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Remember that the plastic housing for the filter is cracked...
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Old Oct 9, 2002 | 08:24 PM
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From: trinidad and tobago
How come you guys use those open element filters in your engine bays and locate them right next to your radiator ? , aren't you concerned about the negative effects of hot air ingestion buy your turbo / engine ? .
I have gone to some length to try to avoid this , the filter I use is a RACTIVE " heat shield " unit with a plastic heat shield encasing the entire element with a 4" opening for a "cold air" pipe hook up and a 5" connection point at the other end for the turbo (pipe etc) attachment.
My car is just about done so I will be able to evaluate the performance of the filter ,but I think it should be ok ,it was made fot an SR20DET motor.
I also "designed" and made my exhaust manifold to put the turbo a bit forward so that the compressor is over the radiator and the filtter more forward ,also using a 45deg nitrile elbow , so that the suction is ahead of the radiator and the discharge of its cooling fans , pulling air from the open space just above the radiator . I am also thinking about cutting a hole in the bonnet to allow a better cold air flow to the filter, by the way ,I am not being critical just sharing my thaughts , no need for any flames ,ok . I will try to get some pics up asap.
.

Last edited by Marcel Burkett; Oct 9, 2002 at 08:36 PM.
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Old Oct 9, 2002 | 09:53 PM
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Marcel,

you are absolutely correct. It is guaranteed that the air going in to the air filter has been heated b the rad to a certain extent. I've not taken the time to isolate the filter from this discharge yet but it is my intention to do so. I'm waiting on a vented hood (bonnet) first so that I can build something appropriate. I would be very interested in seeing your setup once you post some pics.
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Old Oct 10, 2002 | 12:57 AM
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Originally posted by nocab72


ya, currently I'm JustOneEggBeater on CR, #4 on the Top25. Soon to be 2.

shhhh...don't tell Kenny he's gonna get smoked...

K
Bring it.
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Old Oct 10, 2002 | 01:03 AM
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have you guys noticed much power gain going from having a filter on like crazycanuck's to just the open turbo?
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Old Oct 10, 2002 | 05:07 AM
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ls1's rock!
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From: Bankok
Originally posted by kenny


Bring it.
now it gets interesting
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Old Oct 10, 2002 | 07:25 AM
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here is a pic of mine it is an hpi one
http://www.jouleusa.com/fd.htm
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