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05-12-2005, 01:32 AM | #51 | |
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BAIC
Location: Fire Caves
Vehicle:2019 Macan 4cyl 1993 Impreza FWD WRX swap |
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05-12-2005, 01:36 AM | #52 | |
Scooby Guru
Member#: 2272
Join Date: Sep 2000
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BAIC
Location: Fire Caves
Vehicle:2019 Macan 4cyl 1993 Impreza FWD WRX swap |
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FYI the car I have now, which has a EJ25 swap into an L (bought the car from LIC motorsports) is certified by the state of california as legally swaped. Its running the proper ECU, passed referee inspection, everything. When it was certified, it also had a catback and a lightweight flywheel and ACT clutch. So there are things that you can very much do to get the car certified. After that, its up to you... |
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05-12-2005, 02:15 AM | #53 |
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Join Date: Mar 2004
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Kostamojen
You don't have to worry about OBDII with your 95 or does Ca. have some state law? |
05-12-2005, 02:55 AM | #54 | |
Scooby Guru
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Join Date: Sep 2000
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Vehicle:2019 Macan 4cyl 1993 Impreza FWD WRX swap |
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05-12-2005, 03:54 AM | #55 | |
Scooby Specialist
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Wow... So much wrong information here! First off, The USDM STI has AVCS Second, AVCS only changes cam timing... not duration... IT IS NOT LIKE A HONDA Third, You can bolt up JDM heads on a USDM STI and it will run. Only problem is that compresion ratio will go up unless you get thicker head gaskets. A utec will have no problems making the changes needed on the stock ecu. For people with a wrx or RS that want a 2.5 L block and ver 7/8 heads should run the ver 7/8 ecu. Again, you will have higher compresion so changes in will have to be made and a utec can do it. |
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05-12-2005, 08:57 AM | #56 | |
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LOL, so much information
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05-12-2005, 09:05 AM | #57 | |
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EDIT: and if you had pulled your head out of your arse and posted something like this: http://forums.nasioc.com/forums/showthread.php?t=665334 I might have been more receptive. Its called a supporting fact. And yes, I was wrong about the case flex. Last edited by Tgui; 05-12-2005 at 09:11 AM. |
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05-12-2005, 10:34 AM | #58 | |
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Member#: 77525
Join Date: Dec 2004
Location: DFW, TX
Vehicle:'02 GDA, '09 GR '93 FD |
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05-12-2005, 12:10 PM | #59 | ||
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Also, you don't need to do any tuning for US gas with the JDM ecus. There are plenty of people who run ver 7/8 engines with the jdm ecu with no em on US pump with no problems. As long as you get a good 93 oct your fine. Keep in mind that I am talking about a stock Ver 7/8 with original turbo and a minimum of mods. |
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05-12-2005, 02:18 PM | #60 | |
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Join Date: Sep 2004
Vehicle:2002 rs |
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05-12-2005, 05:24 PM | #61 |
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Vehicle:GL GC8 Loyale |
I'd go with USDM too. a lot easier to get your hands on parts
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05-12-2005, 08:11 PM | #62 |
Scooby Scammer- Do Not Buy From User
Member#: 85942
Join Date: Apr 2005
Location: casper wy
Vehicle:2002 WRX STI V8 wrb |
you do need tuning ona v8 or after a while you will mess it up bad. to run a v8 un-tuned it must run 100 octane min. fuel. running a v8 on 93 is a ticking time bomb.
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05-13-2005, 02:32 AM | #63 |
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96-7 L awd coupe
ok here's my idea.. lets see what u guys have to say v7 longblock, US wrx ecu??? if thats not possible, then what about v7 short-block, us wrx ecu, usdm sti heads, and say an AP streettuner for a reflash Keep all the necessary cats n stuff in the DP and a map for smog. run an internally gated green setup and get about 350whp? Only reason i wouldnt run a wrx block is cuz they pop I have a spare wrx tranny that i blew 2nd gear out of. I'll upgrade that to RA gears so i have a stronger tranny and it should handle the power. Will the USDM heads(opinion on both) be ok to spin it to 8k? (i know power will suck). how will wiring be? is there really any electronic differences to a V7 block and a usdm block that an ECU would tell? I should be able to pass inspection in NJ with this right? |
05-13-2005, 03:53 AM | #64 |
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If you use a wrx ecu you will not be able to use avcs. Also you will still have to use your tumble generator valves too. USDM heads are not too much better then WRX heads. Same port size on both of them.
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05-13-2005, 04:38 AM | #65 |
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Location: casper wy
Vehicle:2002 WRX STI V8 wrb |
okay first long block is a motor you buy that has heads. sort block is a motor you buy with out heads....same block. yes if you use a usdm ecu you will have to use the TGV....they suck. i have heard you can put a v8 intake manifold on a usdm block (v8 has no TGV) but i dont know what the ecu would say about that. with the set up you talked abou there you just as well go with a stock usdm wrx 2.0 and add the ap street tuner....that would be about 30 horse less than the set up you metioned. wiring would be all plug and play since you are changing nothing. the block is a 2.0 so the ecu will run it fine. the only different between a usdm and jdm block is the internals....v7 has fordged....everything else the same. you could run more boost on that motor but would not be anywhere close to 350 whp. the tranny on the other hand is a vry good idea. the usdm heads will spin 8k if they are sti heads....wrx heads wont do well but it has been done (i wouldnt).
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05-13-2005, 02:49 PM | #66 |
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If you delete the TGVs it will throw a CEL. I don't belive it really does anything to harm the car but itll throw a CEL.
APS makes a TGV delete housing that will not throw a CEL, but they are pretty expensive. |
05-13-2005, 03:00 PM | #67 |
Scooby Scammer- Do Not Buy From User
Member#: 85942
Join Date: Apr 2005
Location: casper wy
Vehicle:2002 WRX STI V8 wrb |
yeah i have seen the aps stuff....looks very nice. the TGV's are power buglars, if you are doing a rebuild try everything you can to get rid of them.
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05-13-2005, 03:03 PM | #68 | |
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You can also do your 2nd idea of v7 shortblock, wrx ecu, and sti heads with that reflash, but the only benefit you're getting with sti heads is better flow and better valvetrain |
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05-13-2005, 03:08 PM | #69 | ||
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05-13-2005, 03:24 PM | #70 |
Scooby Scammer- Do Not Buy From User
Member#: 85942
Join Date: Apr 2005
Location: casper wy
Vehicle:2002 WRX STI V8 wrb |
thats not right. the usdm sti heads have a larger cam profile and built to spin past 8k. the usdm wrx should never do this (spin at 8k) not built for it. also the usdm sti have slightly larger bore meaning they can spin faster if you put them on a 2.0 becasue they can move more gas (exhaust and air) through them. so if you try to make wrx heads spin at 8k you will loose power. if you let the sti heads spin 8k on a 2.0 you should gain power.
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05-13-2005, 03:29 PM | #71 | |
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Vehicle:96 brighton 05 AP2 ,09 GE8 |
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05-13-2005, 09:38 PM | #72 |
Scooby Scammer- Do Not Buy From User
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Join Date: Apr 2005
Location: casper wy
Vehicle:2002 WRX STI V8 wrb |
i am not stupid...i know gas is not exhaust and air....exhaust and air are both gases however. If you have neen around shops much you refer to how much exhaust and air a head flows by saying :it flows more or less gas". i have seen a sti spin 8k all day long. i will talk to my friend who does nothing but subarus (upgrades) in LA....he will know. spining 8k may not give you more power but it will let you have ahigher red line which would cut donw 1/4 miles times.....a 2.0 is a high end motor if built right.
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05-13-2005, 11:09 PM | #73 | |
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I have to disagree. The UK sti heads have the smaller ports and they will rev to 8000 from factory Map |
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05-14-2005, 03:51 AM | #74 | |
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Built right? I thought we were talking about stock motors? You can "build" anything right |
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05-14-2005, 03:53 AM | #75 | |
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