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Swap GT-K housing for non-ported housing
08-07-2009, 09:14 PM
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Swap GT-K housing for non-ported housing
Has anyone swapped the ported GT-K compressor housing for a non-ported housing? I want to pick up some top end power and I think this should widen the efficency of the compressor up top.
Does anyone know the part number of compressor housing (pref. non-polished) would fit on the GT-K 550? Thanks.
Last edited by M3 Muscle; 08-07-2009 at 09:33 PM.
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08-10-2009, 08:40 AM
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Quote:
Originally Posted by M3 Muscle
Has anyone swapped the ported GT-K compressor housing for a non-ported housing? I want to pick up some top end power and I think this should widen the efficency of the compressor up top.
Does anyone know the part number of compressor housing (pref. non-polished) would fit on the GT-K 550? Thanks.
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The GT-K 550 uses a GTK61 compressor which isn't available outside of the GT-K line of turbochargers so I don't believe there would be a valid compressor housing that would fit out of box. Going to a non-ported shroud isn't going to do much for this I don't think. The porting increases efficiency at the bottom end of the pressure curve but doesn't reduce compressor efficiency on the top end. If the motor is choking off at the top it could be that the turbine wheel is too small or the turbine housing A/R isn't big enough.
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2004 Nissan Titan SE KC 4X2: AEM Brute Force Intake, NISMO Exhaust, NISMO Shock Kit, PRG Upper Control Arms, PRG Sway Bar Endlinks, PRG LCA Spacers, Eagle Alloy 17x8, Nitto Terra Grappler 295/75/17, Alpine iXA-W404, Apline Power Pack, Apline KCE-400BT, Alpine Imprint, Alpine Type-R Door Speakers, US Amps USA-400, JBL GTO0804
2004 Nissan 350Z: Turbonetics Stage 1 Turbo System, Apexi WS2, HKS LS+ Coilovers with Swift Springs, Hotchkis Sway Bars, NISMO LSD, NISMO Diff Cover, ACT Clutch, JWT Flywheel, GSpec Short Shifter, Hawk HPS pads, Blitz Upper Raditor Hose, Motordyne 5/16" Plenum Spacer, Volk LE37T 19x8.5 and 19x10.5, Blitz FATT DCIII
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08-10-2009, 09:11 AM
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After a little more research, I came across this compressor number: 21735. I have been told it might fit. Can you confirm that?
I'm not choking up top, but I plan to max out the turbo shortly. I'm shooting for 600+ whp. I figured that the non-ported would help me get there as there is about a 5-10% loss in turbo performance with the porting.
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08-10-2009, 09:30 AM
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Quote:
Originally Posted by M3 Muscle
After a little more research, I came across this compressor number: 21735. I have been told it might fit. Can you confirm that?
I'm not choking up top, but I plan to max out the turbo shortly. I'm shooting for 600+ whp. I figured that the non-ported would help me get there as there is about a 5-10% loss in turbo performance with the porting.
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That is the correct part number you will need.
__________________
2004 Nissan Titan SE KC 4X2: AEM Brute Force Intake, NISMO Exhaust, NISMO Shock Kit, PRG Upper Control Arms, PRG Sway Bar Endlinks, PRG LCA Spacers, Eagle Alloy 17x8, Nitto Terra Grappler 295/75/17, Alpine iXA-W404, Apline Power Pack, Apline KCE-400BT, Alpine Imprint, Alpine Type-R Door Speakers, US Amps USA-400, JBL GTO0804
2004 Nissan 350Z: Turbonetics Stage 1 Turbo System, Apexi WS2, HKS LS+ Coilovers with Swift Springs, Hotchkis Sway Bars, NISMO LSD, NISMO Diff Cover, ACT Clutch, JWT Flywheel, GSpec Short Shifter, Hawk HPS pads, Blitz Upper Raditor Hose, Motordyne 5/16" Plenum Spacer, Volk LE37T 19x8.5 and 19x10.5, Blitz FATT DCIII
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08-10-2009, 05:30 PM
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Quote:
Originally Posted by Robert
That is the correct part number you will need.
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Does it still have a 4" intake?
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08-11-2009, 10:21 AM
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Quote:
Originally Posted by M3 Muscle
Does it still have a 4" intake?
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I believe so. I'd have to check with Reggie the Sale Manager who gave you that part number. It's not in any documents that I have.
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2004 Nissan Titan SE KC 4X2: AEM Brute Force Intake, NISMO Exhaust, NISMO Shock Kit, PRG Upper Control Arms, PRG Sway Bar Endlinks, PRG LCA Spacers, Eagle Alloy 17x8, Nitto Terra Grappler 295/75/17, Alpine iXA-W404, Apline Power Pack, Apline KCE-400BT, Alpine Imprint, Alpine Type-R Door Speakers, US Amps USA-400, JBL GTO0804
2004 Nissan 350Z: Turbonetics Stage 1 Turbo System, Apexi WS2, HKS LS+ Coilovers with Swift Springs, Hotchkis Sway Bars, NISMO LSD, NISMO Diff Cover, ACT Clutch, JWT Flywheel, GSpec Short Shifter, Hawk HPS pads, Blitz Upper Raditor Hose, Motordyne 5/16" Plenum Spacer, Volk LE37T 19x8.5 and 19x10.5, Blitz FATT DCIII
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