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Jul 4, 2009, 04:22 PM
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#1
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Converting to Speed Density on stock IX turbo
Like the title states; I was wondering if anyone has converted from MAF to speed density on the stock turbo or a 30R and what the horsepower gains were?
Also I will be doing this but not sure if I should do a 3", 3.5", or a 4" intake pipe. Could someone shine some light on the pros and cons of each. Thank you.
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Mikey's 2006 EVO IX MR: ER VIII 5speed, Magnus v5, 3.8" Garrett FMIC, ETS Short Route UICP, TurboSmart RacePort BOV, RC 880cc Injectors, Perrin Fuel Rail, Walbro 255, ARP Head Studs, HKS 272/280, HKS EBC, R/TErnie Ported Exhaust Manifold, R/TErnie Full 3" V-Band External Dump O2 housing, R/TErnie Modified Perrin 3" V-Band Downpipe, Nesei LICP, FP 25psi Wastegate, Apexi N1 Test-Back, AEM Meth kit (M15), Exedy Twin Plate, FP Red+30lbs+ER Tune = 520hp/406tq
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Jul 4, 2009, 04:27 PM
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#2
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I had my car set up with the 30r and autronic for ems. I made great power 385 at 24psi on 93 pump gas. and 450ish on 110 race gas.
on the con side you want be able to pass the smog test.
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Jul 4, 2009, 09:32 PM
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#3
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Quote:
Originally Posted by Toddevo 8
I had my car set up with the 30r and autronic for ems. I made great power 385 at 24psi on 93 pump gas. and 450ish on 110 race gas.
on the con side you want be able to pass the smog test.
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I don't have to do a smog test  thanks for the post
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Mikey's 2006 EVO IX MR: ER VIII 5speed, Magnus v5, 3.8" Garrett FMIC, ETS Short Route UICP, TurboSmart RacePort BOV, RC 880cc Injectors, Perrin Fuel Rail, Walbro 255, ARP Head Studs, HKS 272/280, HKS EBC, R/TErnie Ported Exhaust Manifold, R/TErnie Full 3" V-Band External Dump O2 housing, R/TErnie Modified Perrin 3" V-Band Downpipe, Nesei LICP, FP 25psi Wastegate, Apexi N1 Test-Back, AEM Meth kit (M15), Exedy Twin Plate, FP Red+30lbs+ER Tune = 520hp/406tq
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Jul 4, 2009, 09:41 PM
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#4
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I have speed density on stock ecu with fp red and you don't gain any power. Its just a different way to read the air going into your engine and the ability to vta. I love it for the fact that if I blow off IC piping I can still drive it temporarily to a safe place to put it back on.
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FPRed - 880cc injectors - Walbro 255 - Comp 280's - Prostreet Adj. cam gears - Shep trans and t-case - ACT 6 puck - EPM o2 dump - Ebay downpipe - HKS catback - ETS short route piping - Ebay fmic - 3" mafless intake - Tien S-tech's - ARP headstuds - AEM Tru Boost - AEM UEGO
Stock block - Stock head - Speed Density
TTR tuned 435 hp & 355 tq - 93 octane
494 hp & 415 tq - Q-16
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Jul 4, 2009, 09:48 PM
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Quote:
Originally Posted by Macaroni
I have speed density on stock ecu with fp red and you don't gain any power. Its just a different way to read the air going into your engine and the ability to vta. I love it for the fact that if I blow off IC piping I can still drive it temporarily to a safe place to put it back on.
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Interesting, I thought the gains were ~10 - 15 hp as you can eliminate the MAF screen and improve the intake....
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3" Modified Megan Racing TBE & UR Cat.
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Nisei LICP
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ETS 3.5" FMIC
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SMC Kit (50% Meth / 50% h2o )
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Jul 4, 2009, 10:04 PM
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#6
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I'm sure you do but it wasn't enough for me to notice and I didn't use DLL to see the difference so I'm not sure how much it made.
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FPRed - 880cc injectors - Walbro 255 - Comp 280's - Prostreet Adj. cam gears - Shep trans and t-case - ACT 6 puck - EPM o2 dump - Ebay downpipe - HKS catback - ETS short route piping - Ebay fmic - 3" mafless intake - Tien S-tech's - ARP headstuds - AEM Tru Boost - AEM UEGO
Stock block - Stock head - Speed Density
TTR tuned 435 hp & 355 tq - 93 octane
494 hp & 415 tq - Q-16
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Jul 5, 2009, 12:21 AM
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#7
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Quote:
Originally Posted by cij911
Interesting, I thought the gains were ~10 - 15 hp as you can eliminate the MAF screen and improve the intake....
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That's exactly what I was thinking. I just wanted to see if anyone had a dyno graph to show that. I was just wondering if a 4" intake would be to large for the stock turbo
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Mikey's 2006 EVO IX MR: ER VIII 5speed, Magnus v5, 3.8" Garrett FMIC, ETS Short Route UICP, TurboSmart RacePort BOV, RC 880cc Injectors, Perrin Fuel Rail, Walbro 255, ARP Head Studs, HKS 272/280, HKS EBC, R/TErnie Ported Exhaust Manifold, R/TErnie Full 3" V-Band External Dump O2 housing, R/TErnie Modified Perrin 3" V-Band Downpipe, Nesei LICP, FP 25psi Wastegate, Apexi N1 Test-Back, AEM Meth kit (M15), Exedy Twin Plate, FP Red+30lbs+ER Tune = 520hp/406tq
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Jul 5, 2009, 12:35 AM
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#8
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It wouldn't do anything even without a maf. 3 inch is fine.
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Jul 5, 2009, 01:14 AM
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#9
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Im running a 3" intake on my stock turbo, but plan to go to a 4" to see if there is any difference. 
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Ported IX Turbo/Buddy Club 272/280/Magnus Street SMIM/SILK ROAD manifold/QTP O2 dump/ETS Short Route UICP/LICP/4" MAFless intake/ETS 3.5" Exhaust/ETS 3" widetank fmic/Walbro 255/ACT HD/Speed Density on stock ECU
MidgetSpec & EnglishRacing = 380 awhp
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Jul 5, 2009, 02:10 AM
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#10
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Quote:
Originally Posted by wshihdnevo
Im running a 3" intake on my stock turbo, but plan to go to a 4" to see if there is any difference. |
Ramses, please let me know what it does. Talk with Aaron and see which will work out best. Did you gain hp from switching to speed density?
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Mikey's 2006 EVO IX MR: ER VIII 5speed, Magnus v5, 3.8" Garrett FMIC, ETS Short Route UICP, TurboSmart RacePort BOV, RC 880cc Injectors, Perrin Fuel Rail, Walbro 255, ARP Head Studs, HKS 272/280, HKS EBC, R/TErnie Ported Exhaust Manifold, R/TErnie Full 3" V-Band External Dump O2 housing, R/TErnie Modified Perrin 3" V-Band Downpipe, Nesei LICP, FP 25psi Wastegate, Apexi N1 Test-Back, AEM Meth kit (M15), Exedy Twin Plate, FP Red+30lbs+ER Tune = 520hp/406tq
http://www.myspace.com/blkcarbonevo
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Jul 5, 2009, 09:38 AM
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#11
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Bump
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Mikey's 2006 EVO IX MR: ER VIII 5speed, Magnus v5, 3.8" Garrett FMIC, ETS Short Route UICP, TurboSmart RacePort BOV, RC 880cc Injectors, Perrin Fuel Rail, Walbro 255, ARP Head Studs, HKS 272/280, HKS EBC, R/TErnie Ported Exhaust Manifold, R/TErnie Full 3" V-Band External Dump O2 housing, R/TErnie Modified Perrin 3" V-Band Downpipe, Nesei LICP, FP 25psi Wastegate, Apexi N1 Test-Back, AEM Meth kit (M15), Exedy Twin Plate, FP Red+30lbs+ER Tune = 520hp/406tq
http://www.myspace.com/blkcarbonevo
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Jul 5, 2009, 10:22 AM
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#12
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Quote:
Originally Posted by Macaroni
I'm sure you do but it wasn't enough for me to notice and I didn't use DLL to see the difference so I'm not sure how much it made.
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If you didn't use DLL to see the difference, then how do you know what difference it made (or didn't make)? It really ought to gain at least 20 whp without the MAF, especially if you are at 450+ whp.
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Jul 5, 2009, 11:40 AM
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#13
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Quote:
Originally Posted by EVO8LTW
If you didn't use DLL to see the difference, then how do you know what difference it made (or didn't make)? It really ought to gain at least 20 whp without the MAF, especially if you are at 450+ whp.
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Wow! That is quite a bit. What size intake should we use for that?
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Mikey's 2006 EVO IX MR: ER VIII 5speed, Magnus v5, 3.8" Garrett FMIC, ETS Short Route UICP, TurboSmart RacePort BOV, RC 880cc Injectors, Perrin Fuel Rail, Walbro 255, ARP Head Studs, HKS 272/280, HKS EBC, R/TErnie Ported Exhaust Manifold, R/TErnie Full 3" V-Band External Dump O2 housing, R/TErnie Modified Perrin 3" V-Band Downpipe, Nesei LICP, FP 25psi Wastegate, Apexi N1 Test-Back, AEM Meth kit (M15), Exedy Twin Plate, FP Red+30lbs+ER Tune = 520hp/406tq
http://www.myspace.com/blkcarbonevo
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Jul 5, 2009, 12:13 PM
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#14
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Lets just say I made the same hp I did on a 60 degree day w/ 20% humidity as I did on Thursday when it was 90+ w/ 50% humidity on less boost. Putting a 4" intake together right now to purchase to see if there is any difference. I will prob get a baseline w/ my current intake again when I go and then put the new 4" intake on. I have been looking around and it looks like the FP DSM Aluminum 4" intake should work on stock appearing turbos too w/ a 2.5"-4.0" coupler reducer.
http://store.forcedperformance.net/m...ode=DSM-Intake
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Ported IX Turbo/Buddy Club 272/280/Magnus Street SMIM/SILK ROAD manifold/QTP O2 dump/ETS Short Route UICP/LICP/4" MAFless intake/ETS 3.5" Exhaust/ETS 3" widetank fmic/Walbro 255/ACT HD/Speed Density on stock ECU
MidgetSpec & EnglishRacing = 380 awhp
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Jul 5, 2009, 12:40 PM
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#15
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search the ecuflash subforum (it's a sticky) for more info...they've been doing this for a while
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