Ok, so I'm having debates here... which would be the better swap for my car?

STi V6, possibly R/RA swap, full drivetrain

OR

'02 STi V7 full drivetrain...

Advantages, distadvantages and why I should go with that particular swap.

If it matters my car is a MY01

keith

get a ver7. Avcs, better heads. Bigger turbo. I told you long ago v7. Get it baller.:D

I don't need your input or Dave's :lol: I know what you guys say!

go with the V7 and PM me about where you get your stuff, cause I want to do the same

get one of Quirt's engines. :rolleyes:

Get what you can find. Ver 7 heads better then Ver 6 RA??? Show me! AVCS is not all people make it out to be, just look at some dynos w/AVCS and without. The Ver 6 has a VF28 and the Ver 7 a VF30. They are very similar turbos but i think the VF28 is a better all round turbo, the vf30 only flows a few more CFM but the VF28 is ball bearing. Both engines have the same power making potential. RA gears kick azz! Will the Ver 7 intercooler fit in a GC?

Originally posted by Scoobie Steve
Get what you can find. Ver 7 heads better then Ver 6 RA??? Show me! AVCS is not all people make it out to be, just look at some dynos w/AVCS and without. The Ver 6 has a VF28 and the Ver 7 a VF30. They are very similar turbos but i think the VF28 is a better all round turbo, the vf30 only flows a few more CFM but the VF28 is ball bearing. Both engines have the same power making potential. RA gears kick azz! Will the Ver 7 intercooler fit in a GC?

:rolleyes:

Originally posted by Scoobie Steve
Get what you can find. Ver 7 heads better then Ver 6 RA??? Show me! AVCS is not all people make it out to be, just look at some dynos w/AVCS and without. The Ver 6 has a VF28 and the Ver 7 a VF30. They are very similar turbos but i think the VF28 is a better all round turbo, the vf30 only flows a few more CFM but the VF28 is ball bearing. Both engines have the same power making potential. RA gears kick azz! Will the Ver 7 intercooler fit in a GC?

I have a Version 6 STI RA swap, and I love it, but if I was doing it from scratch, I would probably go with the version 7. What's not to like about the improvements? AVCS is great w/ better tq, it has the semi-closed deck where the Ver. 6 is an open deck design.

As for the VF-28, yeah, it's a great all around turbo and is probably ideal for a good all around street car / weekend auto-x car. Mine will be replaced soon and put into my brothers WRX.

I would go with the Ver.7... either that or get a wrx engine and a setup from Axis.

Oh, one more thing - if you are planning to do any ECU tuning, I would def. go with the Ver.7 You will have a much easier time finding tuners in the USA who can do ECUTek reflashes. The Version 6 ECU requires the Flash99 version of the ECUTek reflash software and as of right now, only a handful of people in the USA can tune them. Of couse, you could always go standalone or fit a piggyback of sorts, but finding support is much harder for the older ECUs (in the USA) than the newer ECUs, and standalone setups are $$$.

Hope this helps!

STi V8 twin scroll :devil:

yea, but wouldnt that be a PITA?

keith

why?

more different wiring than the V7? No idea... I have no access to a V8 though... only V7

the wiring isint that much different, not at all some say. Still need to do more research on that.
V.7 is newer and better, dont get no vf28 crap :p .
V.6 came in GC8's so it might be easier, that would be the only reason why i would see myself doing a V.6 swap.

If there the same price get V.7. If Version 7 is more, still get version 7 :p .

YA buy the ver 7, its a much better engine:rolleyes: Dude just buy something, so many talkers here i cant stand it.

I think I'm just going to buy whatever I get a good deal on :p I'm looking to get the 6spd though, just to be "cool" :lol:

keith

check out this thread. Those looks like some pretty good prices complete motors too!

http://forums.nasioc.com/forums/showthread.php?s=&threadid=547831

Originally posted by Scoobie Steve
YA buy the ver 7, its a much better engine:rolleyes: Dude just buy something, so many talkers here i cant stand it.

ohh yes the version 6 engine is god, its far superior to the semi-closed version 7 engine in every possible way. All hail Scoobie Steve, with his powerfull version 6 engine :lol:

Originally posted by ImprezaRSfan!
ohh yes the version 6 engine is god, its far superior to the semi-closed version 7 engine in every possible way. All hail Scoobie Steve, with his powerfull version 6 engine :lol:

:lol: :lol: Originally posted by Scoobie Steve
Get what you can find. Ver 7 heads better then Ver 6 RA??? Show me! AVCS is not all people make it out to be, just look at some dynos w/AVCS and without. The Ver 6 has a VF28 and the Ver 7 a VF30. They are very similar turbos but i think the VF28 is a better all round turbo, the vf30 only flows a few more CFM but the VF28 is ball bearing. Both engines have the same power making potential. RA gears kick azz! Will the Ver 7 intercooler fit in a GC?


Heads... ok here you go.

Small port, some v6s had them, some didnt

http://www.pbase.com/image/23502317.jpg
Large port all v 7 had them. The spec C had even bigger, and the spec C also has the better cam. The v7 cam is flat and lame.... I dont know anything about the v6 cam.
http://www.pbase.com/image/23502311.jpg


Fact is the difference between the ver6 and ver7 heads is just about null. The block is an open deck on the ver 6? I didnt know that..... But the ver6 will have a lot more miles and the lamer turbo. ;) I would go ver 7. Lower miles, better turbo, easyer to tune, and you know whats inside the block. Besides the 6 speed is so much better.

Originally posted by totoherbs
:lol: :lol:



Fact is the difference between the ver6 and ver7 heads is just about null. The block is an open deck on the ver 6? I didnt know that..... But the ver6 will have a lot more miles and the lamer turbo. ;) I would go ver 7. Lower miles, better turbo, easyer to tune, and you know whats inside the block. Besides the 6 speed is so much better. .

well said :)

ImprezaRSfan! maybe you cant read so well. In my first post I said get what you can find. I NEVER said buy a Ver 6 engine. I NEVER said the ver 6 is better. You are putting words in my mouth. I said the Ver 7 heads are NO better then the Ver 6 RA. totoherbs posted a picture of the small port USDM wrx heads. If you read the post that he got those pictures from you will find out in fact the Ver 6 RA heads have the large ports just like the Ver 7.

ImprezaRSfan! you are the one that is saying the Ver 7 is superior and pushing that he buys a "Newer and better" Ver 7.

totoherbs i think its funny you think just because an engine is a year newer it has lower miles. I bet you beleive that all JDM engines have under 20k too! JK:lol:

:lol: i don't know what to say...

Originally posted by Scoobie Steve
ImprezaRSfan! maybe you cant read so well. In my first post I said get what you can find. I NEVER said buy a Ver 6 engine. I NEVER said the ver 6 is better. You are putting words in my mouth. I said the Ver 7 heads are NO better then the Ver 6 RA. totoherbs posted a picture of the small port USDM wrx heads. If you read the post that he got those pictures from you will find out in fact the Ver 6 RA heads have the large ports just like the Ver 7.

ImprezaRSfan! you are the one that is saying the Ver 7 is superior and pushing that he buys a "Newer and better" Ver 7.

LOL i think its funny you think just because an engine is a year newer it has lower miles. I bet you beleive that all JDM engines have under 20k too!

Moss never said anything about mileage. If you had the chance to get a 2001 engine or a 2002 engine, not mentioning anything about mileage, wouldnt you take the newer one? Its physically been out in the real world for a year less, making it newer. I know i would take it.

Every version sti engine is better than the last, otherwise the newest version 8 sti would be a 10 year old design, not a brand new design with a twinscroll setup, nitrided crank, better oiling, revised intake manifold, tighter tolerances with hypereuretic pistons, etc etc.

Moss just asked which one has its advantages/disadvantages.
V.6 - price ?
V.7 - many improvements/changes. :lol:

As the mazda crowd says..... The 7 never losses.
:banana:

Never mentioned mileage, because the mileage is about the same for both... the V8 swap would be an idea, but pricing it kind of out of the way right now. I know gruppe-s has them for like $4700 but thats not even including the 6spd :(

keith

Originally posted by moss
Never mentioned mileage, because the mileage is about the same for both... the V8 swap would be an idea, but pricing it kind of out of the way right now. I know gruppe-s has them for like $4700 but thats not even including the 6spd :(

keith

Intresting factoid of the ver 7 vs ver8; the ver 7 runs a hotter spark plug in number 4. While the ver 8 runs all the same plugs, but has a different intake manifold.

do they all run? can I run boost? will it be faster than my RS currently is? :lol: OK THEN :p

keith

atleast ur doing it the right way moss and not turboing a weak 10.0:1 compressioned sohc 6200 rpm redline motor.

*flame suit on*
:devil:

Originally posted by ImprezaRSfan!
atleast ur doing it the right way moss and not turboing a weak 10.0:1 compressioned sohc 6200 redlined motor.

*flame suit on*
:devil:

:lol: :lol:

Hey... its not like your wrong...

Originally posted by totoherbs
:lol: :lol:

Hey... its not like your wrong...

ya i know. Should i cross post this in the Aftermarket forced induction forum? :lol: :lol: :lol:

Originally posted by dmross

Oh, one more thing - if you are planning to do any ECU tuning, I would def. go with the Ver.7 You will have a much easier time finding tuners in the USA who can do ECUTek reflashes. The Version 6 ECU requires the Flash99 version of the ECUTek reflash software and as of right now, only a handful of people in the USA can tune them. Of couse, you could always go standalone or fit a piggyback of sorts, but finding support is much harder for the older ECUs (in the USA) than the newer ECUs, and standalone setups are $$$.


Good point brought up here actually, the fact that it's going to be a PITA to tune a V6 engine versus a V7 or V8... hmmm

keith

i think right when u buy the motor, u have to send the ecu to a vendor to get it ecutek'd for 93 octane instead of the 98 octane or wahtever. So that would suck if u had the v.6 all ready in ur car but couldnt find anyone to ecutek it for 93 octane since it uses older software.

stop debating and get the v.7

Well it's 98 RON they use. Sunoco has said their 94 is 99 RON. People have used 93 and been plenty fine. Some have also used 92 and been ok. If anything i'd save the money and use GTA fuel enhancer, turn down the boost, or just let the ecu do it's thing. In a stock setup the ecu will adapt.

Originally posted by Soon2Bgreat
Well it's 98 RON they use. Sunoco has said their 94 is 99 RON. People have used 93 and been plenty fine. Some have also used 92 and been ok. If anything i'd save the money and use GTA fuel enhancer, turn down the boost, or just let the ecu do it's thing. In a stock setup the ecu will adapt.

The math works out to about the same 98 RON = ~93 of ours but a reflash isnt hard or expencive so why not? More then likely make more power after too...

Originally posted by totoherbs
The math works out to about the same 98 RON = ~93 of ours but a reflash isnt hard or expencive so why not? More then likely make more power after too...

You'd be surprised how much 595 seems after dropping thousands to get a swap. More than likely he'll be happy with the power for a while coming from an RS. Plus you start to figure whats' the point of a plain reflash, i should get exhaust too. It's all well and good to want to do things the best possible way, and as thorough as possible, but sometimes it's just not possible, smart, or worth it. Ie. It took me almost a year to decide to get a reflash. I had to spend money on dealing with problems associated with the swap, and for a long time i didn't feel it was worth 595 without other mods.

Maybe I will get a reflash :p But we do have 93 and 94 octane here, so.

Anyway, next question... Screw the V6 cause that's just going to be a PITA to find. Next, between a JDM V7 and a JDM V8 engine, does anyone know the wiring diffferences?

keith

Originally posted by moss
Maybe I will get a reflash :p But we do have 93 and 94 octane here, so.

Anyway, next question... Screw the V6 cause that's just going to be a PITA to find. Next, between a JDM V7 and a JDM V8 engine, does anyone know the wiring diffferences?

keith

I dont belive there is much difference wireing wise... but there is a **** load of difference motor wise. Larger port heads, more aggresive cams, twin scroll, new intake manifold(ver 7s run a hotter plug in number 4. The ver 8 does not ), twin scrool... um cast pistons....

Originally posted by Soon2Bgreat
You'd be surprised how much 595 seems after dropping thousands to get a swap. More than likely he'll be happy with the power for a while coming from an RS. Plus you start to figure whats' the point of a plain reflash, i should get exhaust too. It's all well and good to want to do things the best possible way, and as thorough as possible, but sometimes it's just not possible, smart, or worth it. Ie. It took me almost a year to decide to get a reflash. I had to spend money on dealing with problems associated with the swap, and for a long time i didn't feel it was worth 595 without other mods.

Good point...

Originally posted by moss
Maybe I will get a reflash :p But we do have 93 and 94 octane here, so.

Anyway, next question... Screw the V6 cause that's just going to be a PITA to find. Next, between a JDM V7 and a JDM V8 engine, does anyone know the wiring diffferences?

keith

im getting 8. Get it with me so we can do ti same time and both show the SRT-4 who is fastarr.

ahaha... we'll see whatever is the best deal between the 7 and 8... if wiring isnt different ill try for the 8, but it may be too expensive.

keith

You guys dont even have the engine in your car yet and you are talking tuning? If you can afford a Ver7 or 8 and can afford the mods to warrant a ecu reflash then you can afford the reflash. So you guys are finding Ver 7 and 8 engines? how much $$$? And how complete?