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Hmm. I was sure the rear on my 06 Hawk was a 19mm bar. It's long gone now, I have a 21/22/23 Whiteline bar on, and that's just been re-powdercoated as the O.E. finish doesn't last long at all.
IMHO, ARBs are an admission of failure by Suspension engineers, and the smaller they are the better. They do little for single bump NVH except wobble your brain and can make slow speed handling on rough ground a real headache...if you let your head get into contact with your side window that is.....
Much rather sort the roll centres and spring rates out to avoid the nasty undamped springs that they are.
I run the Whiteline on the minimum of the settings BTW. I also try to balance the car with ride height changes to keep the Roll axis level.
5mm lift or drop at either end is enough to affect the dynamics quite noticably to me.
Depends if you have coilovers I guess. I digress.....
I took off rear ARB.
Diam seems to be 20mm (with rust and wear it is about that)
But the bushing has "19" written on it.
Is there a rule that bushing should be 1mm less than ARB diameter? What about poly bushing?
Back to the OP's question,
No there isn't.
Either wrong part fitted (mismeasured/supplied) or smaller size to compensate for wear.
A two way adjustable is not the same, as the pivot holes make it behave like a different diameter bar. This could well have been an actual 19mm, but both holes were closer to the bar than stock?
A two way adjustable is not the same, as the pivot holes make it behave like a different diameter bar. This could well have been an actual 19mm, but both holes were closer to the bar than stock?
You'd have to confirm that with Peter Cambridge.
It's 21mm.
The info with the bar specifies bush 20464FE050
Last edited by 2pot; 20 November 2017 at 08:50 PM.
Dan, I am a bit lost about version of my car (Sorry I am french...)... it is from 2005, but 2005 switched from Blob to hawk, right?
1st registration is from 22 09 2005
Variant GDB (No clue what it means...)
Should I conclude MY is F? (What does MY stands for?)
GDB = G(impreza)D(Newage Saloon)B(2Ltr high performance Turbo engine - STi)
MY stands for Model Year and along with production date has nothing at all to do with registration dates.
10th character of the VIN will give you the MY ( 5=2005; 6=2006; 7=2007) unless its a JDM ?? RHD or LHD??
Also if it's a Blobeye it will be MY05
If it's a Hawkeye it will be a MY06
Thank you Don! @forgedmarco , I had a spare, new RB320 rear ARB that I sold a few years ago as I thought it would be of no use to me, I can't find one right now.
13 November 2017, 06:19 PM
Genuine ARB diam STI Wide Track 2005
(C=MY03; D=MY04 etc.)
)... it is from 2005, but 2005 switched from Blob to hawk, right?
