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Discussion Starter #1
Saw a link to a really nice coupling that was polyurethane and i think intended for a corvette and cant seem to find that link anymore.

Need to replace my couplings, anyone have a good link?

Thanks
 

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Discussion Starter #3
Well i was looking at ls1gto's forum about the prothane coupler. theyre metal except for the bushing right around each of the metal sleeves. now they come in 10mm or 12mm, guessing for an 05, a 12mm would do?

theyre built for corvettes, i called prothane and asked if theyre work the guy says "it doesnt say anything about gtos here" and was rushing to get off the phone... but from the ls1 forum it sounds like it might be possible. someone mentioned bmw,vette,gto shared same coupler around these years.

Corvette Torque Tube Coupler, Polyurethane, 12mm, 2001-2004

a little pricey but im not sure if theyd work. big price to experiment with lol
 

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Even at $150 I think a part like that is still WAY overpriced. From what I've heard on poly bushings, depending on the application, it stiffens the ride and makes it worse. At least the rubber has some "give", and doesn't stiffen the ride so much. I haven't bought a GTO (yet), so discussions like these definitely get my attention. I realize the car itself is assembled in Australia, but parts like these should not cost this much! There's gotta be a part like that for another car that will work perfectly for a GTO. I can't imagine a part like that is GTO-specific, but maybe I'm wrong...
 

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Discussion Starter #6
What source do most people get the stock or same as stock couplings from? I'm just gonna get a pair of those..
 

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Just ran this on gmpartsdirect:


GM PART # 92149040
CATEGORY: All
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $276.51
OUR PRICE: $163.91


DESCRIPTION: COUPLING
Here are the spec that I found:

Front & Rear Rubber Drive Coupling (Donut) Part No 92148358 (FOR 04 92149040 for 05)
Manufacturer Hardy Spicer
Mfg Part No RCA-1061
Comes complete with 100-R324 Coupling, 3 bolts, 3 lock nuts.
VX,VY,VZ V8's 10/00 on
04 (92148358)........................05-06 (92149040)
PCD=96mm 3.78in...................110mm 4.33in
Bolt Dia=12mm .472in................same
OD=133mm 5.24in...................150mm 5.91in
Bore=49mm 1.93in....................60mm 2.36in
Width=35mm 1.38in...................same (Metal tubes stick out 3mm, 3 on each side)

I measured my spare and is the same as listed for 05.
I have been told the C5 vette was the same, but as stated, may not.
On one of the other sites, it was stated some BMW coupler are the same.
Contact fparts on eBay. They can probably get you a used one, cheap.

Larry
 

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Even at $150 I think a part like that is still WAY overpriced. From what I've heard on poly bushings, depending on the application, it stiffens the ride and makes it worse. At least the rubber has some "give", and doesn't stiffen the ride so much. I haven't bought a GTO (yet), so discussions like these definitely get my attention. I realize the car itself is assembled in Australia, but parts like these should not cost this much! There's gotta be a part like that for another car that will work perfectly for a GTO. I can't imagine a part like that is GTO-specific, but maybe I'm wrong...
If you ever get a GTO get used to it. Most parts are 1 1/2 to 2 times as much except of course most of the engine parts.
 

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....we are working on a solution but it will be a month or so..
....We are looking into making them but at such low volume it would be well in the $300 range for the pair.
I would really be interested in this but at $300 a pair? Let's put the "GTO people beating stick" down and reprice these. Understanding R&D and the cost of poly, I would say you could still have a nice profit margin at 1/2 that price althought I think $100 for the pair would work too. At that price I would order today.
 
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