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#1
09-12-2007, 02:37 PM
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injector upgrade?
so i've got a clogged injector, and i figure i might as well throw something alittle cooler then OEM injectors...just cuz. i've heard that the stock fuel pump can support alittle more horse power than it does. so my question is, are there any after market injectors that might be able to add alittle more pep to my 92? or is oem the way to go. i plan on doing a total overhaul come summer and if all goes to plan ill be needing bigger injectors anyways..
thoughts? advice? thanks! 
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#2
09-12-2007, 03:14 PM
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Buy an ECUTune stage 2v7, a Z32 MAF (out of a 300ZXTT) and 370cc SR20DET injectors. I don't think any other injectors will work without that upgrade.
If you're going for more horsepower, you have to upgrade the MAF. The stock injectors can throw a bit more fuel (not a whole lot, but some), but the stock MAF can only read 230-240HP worth of air. If you modify the engine to make more power without changing the MAF the engine will fall on it's face. The ECUTune stage 2v7 chip, MAF and injectors are good for supporting ~500HP.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl
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#3
09-13-2007, 10:10 AM
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So the 300ZXTT Maf with fit like bolt on?? Or some modding need to be done??
Same as the injectors... are those just remove and replace?? I have ECUTune....1 I think, is there a way to know wich version I have and is it easy to upgrade?? Thanks 
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#4
09-13-2007, 10:29 AM
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The MAF is bolt on, but the wiring harness needs to be clipped off. You'll need the plug from the z32 MAF, which has 5 wires, to splice into the SVX MAF which has 4 wires. You just leave the one disconnected. I don't know which off the top of my head, but visit http://ecutune.com/ and the info is there.
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*No SVX at the moment...* 1987 Winnebago Elandan 35' 2001 Yamaha Roadstar 1600 2004 Ford Excursion Eddie Bauer, 6.0litre Power Stroke Diesel - Daily Driver. Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways, scotch in one hand, body thoroughly used up, totally worn out and screaming HOOOOYA !!!!!
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#5
09-14-2007, 05:02 PM
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The injectors fit in the svx fuel rail.
For the injector wiring you can get the nissan wiring and splice the plugs in. Or you can keep your stock wiring intact and use a dremel tool to cut away some of the plastic on the nissan injectors. That's what I did and it worked great. You can tell what exact version you have by pulling your ECU and looking at the chips. It will be written on them.
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. Last edited by immortal_suby; 09-14-2007 at 05:05 PM.
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