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#1 | ||
Regular Member
Join Date: Aug 2005
Posts: 137
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I've got SL king springs all round on my live axel au.
Rear sits slightly lower than the front. Sometimes when travelling over speed humps or over bumps on the freeway the rear suspension seems to bottom out. It become more noticable after the lpg tank went in. Has anyone else had this problem? I still have the stock shocks in the rear, maybe its them that are bottoming out? |
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#2 | ||
Bugger!
Join Date: Jul 2011
Location: Albany, WA
Posts: 3,307
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Yeah, that'll happen with superlows
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Whoops, there goes another factory setup! Chop and change - butchering cars since 1990 ![]() |
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#3 | ||
Rob
Join Date: Jan 2010
Location: VN Capital
Posts: 1,584
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i have king spring super lows all roung my AU and it doesnt sit that low. I have 20's on though. I had 15" stockies on the rear a little while ago and use to scrape the mud guards everywhere. after i removed them it was all fine unless going down a steep gutter.
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99 liquid silver AU Classic -Sold
Supercharged Nissan 350z 280rwkw Blueprint series 3 AU V8 manual |
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#4 | ||
Critical Thinker
Join Date: Jan 2005
Location: Adelaide
Posts: 20,335
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The gas tank in the rear will make life harder with SL's. Did you tell the supplier you had a gas tank in the rear? I think you can get SL's that cater for lpg tanks from memory. Could be wrong. I would be inclined to swap what you have for these as they will be stiffer to cater for the extra weight. Alternatively, as mentioned, go to Kings Low, and let the lpg tank lower it further to SL style height.
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"the greatest trick the devil pulled, is convincing the world he doesn't exist" 2022 Mazda CX5 GTSP Turbo 2018 Hyundai Santa Fe Highlander 1967 XR FALCON 500 Cars previously owned: 2021 Subaru Outback Sport 2018 Subaru XV-S 2012 Subaru Forester X 2007 Subaru Liberty GT 2001 AU2 75th Anniversary Futura 2001 Subaru GX wagon 1991 EB XR8 1977 XC Fairmont 1990 EA S Pak 1984 XE S Pak 1982 ZJ Fairlane 1983 XE Fairmont 1989 EA Falcon 1984 Datsun Bluebird Wagon 1975 Honda Civic |
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#5 | ||
Regular Member
Join Date: Aug 2005
Posts: 137
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I've had the springs in for 4 or 5 years and the gas tank in for about 18 months.
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#6 | ||
Stroking it...
Join Date: May 2005
Location: The 'butt
Posts: 2,844
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What shocks are you running??
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#7 | ||
Regular Member
Join Date: Aug 2005
Posts: 137
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I think I'll look into new lowered shocks and bump stops first and see how that goes, I need new rear shocks anyway. If that doesnt improve things I'll look at the springs.
It doesnt sit as low as Ultra lows so its either the bump stops or the springs need to be stiffer. |
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#8 | ||
Regular Member
Join Date: Aug 2005
Posts: 137
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Still running the stockies in the rear Cam, cars done 160,000 now, they've seen better days i think.
Front has Monroe GT gas, replaced at 95,000 when the SL's went in, and they're going fine. Im thinking of either Lowered Monroe GT sport or Lowered Ultima shocks. |
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#9 | ||
Regular Member
Join Date: Aug 2005
Posts: 137
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Put in new Ultima Heavy Duty Lowered shocks today.
They're much bulkier than the standard shocks. Went for a drive, seemed to feel a bit better ride. Still getting what I though was bottoming out. However when I was under the car I took a good look at things under there. I've aways thought the exhaust and muffler hangs pretty low. It;s a 2 1/2" redback cat back system. I noticed there is a bit of a mark on the exhaust straight above the rear axle, It now seems as though when the rear end flexes downwards and the body and exhaust get lower the exhaust actually makes contact with the axle housing. The rubber exhaust hangars look a bit tired also. So it looks like I'll need to have the exhaust tucked up a little higher and possibly some new hangars. Has anyone else had this issue? |
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#10 | ||
Stroking it...
Join Date: May 2005
Location: The 'butt
Posts: 2,844
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I had the exact same thing. After many months, and LOTS of cash spent fixing other stuff i thought i was the issue I finally found out that's what was causing it.. Took it to a zorst mob who for $50 tucked it up a lot higher, not had an issue since..
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#11 | ||
Regular Member
Join Date: Jan 2010
Location: Warrnambool, Vic
Posts: 266
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There are a HD version of the superlows. I could have got them through my work(SCA)
I too put SL's all round in my car with gas and it handled like a 30 year old ford telstar with 600,000km's on the clock. I then went and put new shockers in to no avail. So i stuck to the standard XR springs i had. I was just too tight to buy another set of springs. ![]() Cheers Jason
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Stevo _____________________________________ 05/2000 AUII XR6 5sp|Pacemaker 4480 Competition Headers|Lukey catback|Tickford Azzuro's|Impco LPG Conversion |
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#12 | |||
Regular Member
Join Date: Aug 2005
Posts: 137
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Quote:
Did they cut or bend the exhaust hangars? The exhaust tip is pretty much rubbing on the underside of the rear bumper, might have to heat it and bend it slighly to allow the rest of the system to be lifted aswell. |
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#13 | ||
Stroking it...
Join Date: May 2005
Location: The 'butt
Posts: 2,844
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They actually did both, mine is a 3" and there was a flange above my sway bar that was fowling, so they moved the flange and removed and relocated the hanger, and slightly twisted the rear section so it cleared the hold in my rear bar..
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