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12-18-2005, 10:23 PM
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#1
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15 Second Club
Join Date: Mar 2005
Location: Central NJ Somewhere...
Posts: 714
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Got Inspired... Just to get Madd
Well... I got really bored one night... Decided to finally give my 85 Z the rear she needs. Swapped the rear out of a 88 Pontiac T/A GTA, the Drum to disc, one wheel wonder to posi swap... Painless job took less then 6 hours to finish both cars... I take the Z out for a ride and every damn bump I touch, I hear a clunk coming from the right rear. Everything is tight, and all the parts are connected, but I can't figure the noise out... It sounds like a Metal pipe banging around in the spare tire compartment. Anyone got a clue?
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1988 Pontiac Trans Am GTA - Five UhOh Power
305 LB9 TPI -500/510 Cam, Ported Heads, 24# Inj Shorty Headers, TruDual Exhaust, MagnaFlow Mufflers, T-5 Swap, LT1 10 Bolt, Lowered 2.5in. 1991 Pontiac Firebird Formula - Nightmare Project 
2003 International 4300 - DT466 A5, Jerrdan 21' Rollback, Shiny Simulators.. Bling Bling Rattle Box
- iLLmINDED oNE -
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12-19-2005, 03:07 AM
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#2
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2007 Member of the Year
Join Date: Oct 2004
Location: Seabrook, TX
Posts: 14,281
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when you re-tightened the LCA's, was the suspension loaded?
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WF=DF
Kommandant of the ACL (Anti Canadian League)
Quote:
Originally Posted by LTb1ow
Junk the pos, spend the money on beer, acquire headache.
Same result cept this headache doesnt last months.
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12-19-2005, 07:17 AM
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#3
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15 Second Club
Join Date: Mar 2005
Location: Central NJ Somewhere...
Posts: 714
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Actually... no... I totally forgot about that...
__________________
1988 Pontiac Trans Am GTA - Five UhOh Power
305 LB9 TPI -500/510 Cam, Ported Heads, 24# Inj Shorty Headers, TruDual Exhaust, MagnaFlow Mufflers, T-5 Swap, LT1 10 Bolt, Lowered 2.5in. 1991 Pontiac Firebird Formula - Nightmare Project
2003 International 4300 - DT466 A5, Jerrdan 21' Rollback, Shiny Simulators.. Bling Bling Rattle Box
- iLLmINDED oNE -
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12-19-2005, 11:04 AM
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#4
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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The only other obvious thing to check would be the over-axle pipe for the exhaust. It may have gotten shifted at some point during the swap.
LCAs are a good bet though.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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12-19-2005, 06:59 PM
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#5
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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i had that problem on my t/a when i first bought it. Put a new axel in (previous owner fooked it up real good) and the UPPER panhard bar was loose. The 3 bolts that hold it up to the body on the drivers side were only like halfway in. Also, the were rusted too so meaning it was like that for a long time.
Also, you really have to tighten those LCA bolts. On my old 'turd when I put lakewoods on, i tightened them, but it seemed not enough. I ran over some railroad tracks and they clanked. So, I put a good tight half turn on them and all was fine.
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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12-19-2005, 07:05 PM
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#6
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13 Second Club
Join Date: Oct 2004
Location: Netcong, NJ
Posts: 5,799
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Ahh that explains why my old WS6 sounded like the rear was gonna fall off every sewer drain I hit ... i thought it needed a lube job lol
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2019 Toyota Tacoma TRD Pro ... M6, Voodoo Blue Fun Machine
1987 Pontiac Trans Am ... 305 TPI, T5, Project Car
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12-19-2005, 11:56 PM
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#7
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Stalker
Join Date: Aug 2004
Posts: 12,078
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i think they already covered everythign it could be, lcas not tightened correctly, panhard bar loose, exhaust pipe... check those and you should figure it out.
and, did you change the propotioning valve too? lol
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12-20-2005, 01:52 PM
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#8
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15 Second Club
Join Date: Mar 2005
Location: Central NJ Somewhere...
Posts: 714
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Yea I changed the valve... It was a complete swap. I checked everything... Still has that same damn noise... Got a slight feeling that it might be the rear bearings? I'll figure it out. Thanx guys
__________________
1988 Pontiac Trans Am GTA - Five UhOh Power
305 LB9 TPI -500/510 Cam, Ported Heads, 24# Inj Shorty Headers, TruDual Exhaust, MagnaFlow Mufflers, T-5 Swap, LT1 10 Bolt, Lowered 2.5in. 1991 Pontiac Firebird Formula - Nightmare Project
2003 International 4300 - DT466 A5, Jerrdan 21' Rollback, Shiny Simulators.. Bling Bling Rattle Box
- iLLmINDED oNE -
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