alright thanks for your help mate, the info you have provided has been great
thanks
-----Original Message-----
From: Josh Colombo [mailto:
jcc189@psu.edu]
Sent: Thursday, September 27, 2001 116 AM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
no I do not believe so, I don't think it would produce good results, how the plumbing is setup to the turbos, also, I'm not really sure how boost would come on, and such.
The thing that is going to produce the best results, for your particular car and config is to get a larger exhaust, cat-back. DO NOT remove the cats, you will overspool primary turbo. Then get a larger secondary turbo, for more boost/power at higher rpms.
************************************
Josh Colombo
jcc189@psu.edu
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Wilson, Tim [mailto:
tim.wilson@compaq.com]
Sent: Wednesday, September 26, 2001 5:51 PM
To: '
BC-BFLegacyWorks@yahoogroups.com'
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
that's great you do a very good job explaining things, i can see why changing the primary turbo isn't such a good idea, i have but one more question though
is it possible to get my standard ECU reprogramed to run my turbos at the same time rather than sequential
From: Josh Colombo [mailto:
jcc189@psu.edu]
Sent: Thursday, September 27, 2001 10:43 AM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
Tim,
Like you said, doin that stuff, bigger exhaust, removing cats, will help reduce turbo lag, however a larger turbo will almost always have more turbo lag then a smaller turbo. Keeping that in mind, if you replace the smaller turbo with the larger, you will get more lag, and after you do all your mods, you may be back where you started, so the benefit may not out weigh the negatives.
However, and honestly, which is probably the most important thing I think, is that those two turbo's were paired together, designed, etc to work as a team. If you just stick a bigger one on to replace the smaller one, it's going to severely mess up the power band and stuff when the second one pics up. For example, let's say you stick a larger primary in, it boosts to 7 or 8 psi. Then the secondary/larger turbo kicks, if the secondary turbo's power band is less then the primary's at that particular boost, you will get less power, it will be an uneven transfer of power from primary to secondary turbo. If you were to look at power curve for the car, it would have dip in power, where the turbo's transitioned. As I said, they were designed to work with each other. You can put a larger secondary turbo on, and increase boost and performance that way alot more, with the mods you were talking about, then by playing with the primary.
I hope this makes some sense, and I explained it correctly, if not someone please chime in.
Josh
************************************
Josh Colombo
jcc189@psu.edu
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Wilson, Tim [mailto:
tim.wilson@compaq.com]
Sent: Wednesday, September 26, 2001 5:13 PM
To: '
BC-BFLegacyWorks@yahoogroups.com'
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
i thought that if i replaced the smaller turbo and put in a larger one, i would be able to change the exhaust to a much larger one then take out the cats which would allow me to bost the car harder with less restrictions, in doing this the turbo lag wouldn't be very much?
-----Original Message-----
From: Josh Colombo [mailto:
jcc189@psu.edu]
Sent: Thursday, September 27, 2001 9:30 AM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
Hey Tim,
I would recommend against messing with the primary turbo and making it larger. The two turbos are designed to work sequentially. The little one come on at lower rpm's, and then the bigger take over at higher rpms. The main reason with this design is to eliminate, or help alleviate turbo lag, if you add a larger primary turbo, it will just mess things up. Trust me. If you wanted to do anything, add a larger secondary turbo. As you mentioned, don't remove the cat's, you will over spool the smaller turbo. The turbo's on that car are very good, roller bearing turbos, (the smaller one is anyway, not 100% sure about the larger)
Josh
************************************
Josh Colombo
jcc189@psu.edu
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: Wilson, Tim [mailto:
tim.wilson@compaq.com]
Sent: Monday, September 24, 2001 10:54 PM
To: '
BC-BFLegacyWorks@yahoogroups.com'
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
i live in manurewa, i cant check my car at the moment due to the fact that im still at work,
currently all i have done on my car is K&N apex air filter and sci blow off vaule, im hoping
to get my hands on another turbo like my larger one and then replacing the smaller one
with it, so that i maybe able to install 2.5" exhaust all the way from the turbo's with out
the possiblity of the turbo (turbo's) over spoolling (blowing up)
know anyone tring to get rid of there turbo's
-----Original Message-----
From: Kylie M. Clark [mailto:
kyliec@kaon.co.nz]
Sent: Tuesday, September 25, 2001 3:33 PM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
Tim,
Where are you located in NZ, I'm in Auckland (East Tamaki.)
Any way I've been through the same process of finding info on the BD5
Engine type.
I have noted that the number of sites available in English is very low,
But search for BD5 or BG5 (wagon derivative and you'll get heaps ).
The main thing I've been looking for is ECU upgrades and by the look of
it the options are Sym's, Prova, Mine's VX-ROM and possibly now a Link
(not sure on that one.)
I've made the decision to do a Cat Back exhaust on the car and K&N Panel
Filter, but have left everything else on the car standard.
To start off with another group I would Highly recommend going to is the
Legacy B4 group as a number of the members actually have GT or RS
turbos.
I was also wondering if you might be able to check the Primary Turbo on
your car for a Model No. On a flat plate ahead of the heat shield (left
side of engine) mine has the model code RHF4 which is an IHI Turbo
rated to 190,000rpm. is your's the same ????
Anyway I know it's a bit of a ramble but I hope this helps
Cheers
Kylie
-----Original Message-----
From: Wilson, Tim [mailto:
tim.wilson@compaq.com]
Sent: Tuesday, 25 September 2001 2:55 p.m.
To: '
BC-BFLegacyWorks@yahoogroups.com'
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
thanks for the info, i now have the vin # BD5-002097
-----Original Message-----
From: Samuel Barrett [mailto:
LEVATHIAN@sprintmail.com]
Sent: Tuesday, September 25, 2001 21 PM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
o.k. here are some starter numbers:
With the shape of the car determined(wagon vs sedan), I can only tell
you the demensions for it. I can't tell you: weight, HP, gearing, etc.
without more information (VIN preferably)
Overall length: 451cm
Overall width: 169cm
Overall height: 133.5cm
Leg room:
Front:107.5cm
Rear: 90cm
Head room:
Front:96.5cm
Rear: 91.5cm
Sholder room:
Front: 146.5cm
Rear: 136.5cm
Wheelbase 258cm
Tread:
Front:146.5cm
Rear: 145cm
Minimum road clearance: 11cm
Hope that helps a little.
-Sambo
-----Original Message-----
From: Wilson, Tim [mailto:
tim.wilson@compaq.com]
Sent: Monday, September 24, 2001 6:51 PM
To: '
BC-BFLegacyWorks@yahoogroups.com'
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
ops sorry, its a sedan, and ill get the vin number asap
-----Original Message-----
From: Samuel Barrett [mailto:
LEVATHIAN@sprintmail.com]
Sent: Tuesday, September 25, 2001 1:45 PM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: RE: [BC-BFLegacyWorks] spec's on 93 GT legacy
Tim,
That's a pretty general question there Tim. Why don't you start out
getting
the VIN and we'll tell you everything we know. Until then, some stuff is
just shooting in the dark. Heck, I can't even tell you the weight of the
thing unless you tell us if it's a wagon or a sedan!
Score us the VIN and I can tell you every detail down to which line it
was
manufactured on.
If it's just the turbo you're interested in, they are IHI's if I recall
correctly.
-Sambo
-----Original Message-----
From:
tim.wilson@compaq.com [mailto:
tim.wilson@compaq.com]
Sent: Monday, September 24, 2001 6:35 PM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] spec's on 93 GT legacy
i have a 93 GT subaru legacy (twin turbo), just wondering if any one
out there knows the spec's for my car, it's really important that i
find out the model and specs of the turbos for one im looking at
purchasing
thanks
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