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Rear Subframe Info


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#1 Dundaberg

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Posted 21 June 2016 - 3:20 AM

So looking at possibly upgrading the rear subframe in my BF Type RS build. Wanting to know differences between subframes (if any). Like V1-6 WRX/STI, or maybe Late model BG GTB? Should I just keep the standard one?
I will also be looking into gusseting the subframes where I can for less flex as it is a wagon! Or is this a bad idea??


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#2 Sammy

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Posted 21 June 2016 - 6:05 AM

v1234 same, v56 different. Not sure on the differences but I know sway bar mounts n stuff change a bit. I have a v5 front n rear sitting in the garage if you need any photos or over chch come have a look
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#3 Dundaberg

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Posted 21 June 2016 - 8:11 AM

Any chance you could take a couple photos and flick them to me on FB, mainly of where the diff sits and stuff. That be awesome! Ill be over your ways next month so Ill have to pop in and say gidday!

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#4 Reuben

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Posted 21 June 2016 - 8:43 PM

GD is the holy grail, if you can pick one up. The biggest changes between all the subframes is the diff mounting style. You may need to get some rear diff mount studs to suit what subframe you go with.

But yes, change subframe, non turbo BC/BF subframes are soggy shit.
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<Shale>: Blighter doesn't really have an accelerator pedal, it's more just a loudness pedal. You can change volume, but you won't go any faster.


<mjlqtown>: (Southern US accent) I'v excised the demon! This car is now clear!


<Reuben>: I feel like when you stomp the throttle in Blighter, it's like you've startled an old man!

#5 Dundaberg

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Posted 21 June 2016 - 8:53 PM

Whats the goods with the GD?

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#6 DacerX

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Posted 21 June 2016 - 10:12 PM

Just its got less flex so a better design, if your going to be strengthening it anyway i would just get a bg one and do all your shit to it with new bushes
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#7 Reuben

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Posted 22 June 2016 - 10:45 AM

Yeah, just more rigid. Welding some bars on it will do the same effect. But the GD stuff is like a double skin, they are solid as fuck.

Another thing you can do is rear subframe locking bolts, which take up the play in the rear subframe mount bushes.

As for the front, meh, k-brace and you're good.
Posted Image


<Shale>: Blighter doesn't really have an accelerator pedal, it's more just a loudness pedal. You can change volume, but you won't go any faster.


<mjlqtown>: (Southern US accent) I'v excised the demon! This car is now clear!


<Reuben>: I feel like when you stomp the throttle in Blighter, it's like you've startled an old man!

#8 DacerX

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Posted 22 June 2016 - 7:26 PM

Locking bolts in the rear i felt zero difference. K brace felt like it made no difference. only thing that has made a difference that I could tell was coilovers. everything else i feel its a placebo.
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#9 Dundaberg

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Posted 22 June 2016 - 7:44 PM

I already have a K brace. Im still undecided if i want to go to coilovers in the wagon. Will probably just get a BG subframe and beef it up. And will also cuatom build a rear strut brace

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#10 Pelvin

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Posted 22 June 2016 - 8:36 PM

How do the gc/gf rear subframes compare to the bg
2000 Impreza WRX Type RA Version 6
1998 Legacy TS Type-R B Spec
1992 Legacy GT BC5 Facelift
Vairous other BD/BE/BC combos
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#11 mjlqtown

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Posted 22 June 2016 - 10:34 PM

Mr fancy. Taking up slack in the system. I take it most of those bushes were from the donor parts?
Posted ImageYea right by Mitchell Lindsay, on Flickr

#12 Dundaberg

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Posted 22 June 2016 - 10:50 PM

Bushes are from all over the show. Bust just standard ones

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#13 Reuben

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Posted 23 June 2016 - 11:28 AM

GC and BG are basically the same under body
Posted Image


<Shale>: Blighter doesn't really have an accelerator pedal, it's more just a loudness pedal. You can change volume, but you won't go any faster.


<mjlqtown>: (Southern US accent) I'v excised the demon! This car is now clear!


<Reuben>: I feel like when you stomp the throttle in Blighter, it's like you've startled an old man!




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