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Canadian Poncho Homepage -> Canadian Poncho -> Kijiji , Craigslist etc Cars/Parts for sale -> Expensive Buick 8.5 posi rearend
Post Info TOPIC: Expensive Buick 8.5 posi rearend
73SC


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Expensive Buick 8.5 posi rearend
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Well if it is from a GN it is too narrow for a 73  A body.



-- Edited by 73SC on Saturday 8th of September 2012 08:59:50 PM

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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

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2drpost


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all '78-'88 A/G bodies had the weak 7.5 diff except the buick GNs and olds 442s which had the stronger 8.5s

much like the early camaro and nova 12 bolts, they bring good $$



-- Edited by 2drpost on Saturday 8th of September 2012 07:52:30 PM

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pontorquer


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http://manitoba.kijiji.ca/c-cars-vehicles-auto-parts-tires-transmission-drive-train-BUICK-GN-GRANDNATIONAL-8-5-POSI-REAREND-DIFFERENTIAL-G-BODY-W0QQAdIdZ411777342

What's so special about this rear end ? It looks exactly the same as mine in the 75 Grand Am ...



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73SC


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That's pretty much what I would expect to have to pay. These are hard to find.



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
pontorquer


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Is it different than the 70's ones ?



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rabbit64cs


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Ray... I rubbed that bug out 4 times.. before I got it !!!! LOL  !!!!biggrinbiggrin



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later...rog

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I'm a collector...not a builder!!Located in sunny central Saskatchewan at the lakehead!
73SC


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I stole it from the Boss.



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
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pontorquer


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Well I learned something today, I thought thes 80's GNs and 442s  all had 7.5 diffs ... The 8.5 posi pumpkins are probably the same as the 70s ones so I'll buy these older 8.5 posi rearends ones for 300-500$ max ...



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JERICO


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2drpost wrote:

all '78-'88 A/G bodies had the weak 7.5 diff except the buick GNs and olds 442s which had the stronger 8.5s

much like the early camaro and nova 12 bolts, they bring good $$



-- Edited by 2drpost on Saturday 8th of September 2012 07:52:30 PM

           These 8.5's ususally come with 3.42/3.73 in the GN and 3.73 in the 442's. What I need behind the BigBlock in our G bodysmile



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4SPEED427


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Yes,I believe all the Buick G body Turbo cars that had an 8.5" diff were 3.42. All the Cutlass (Hurst and 442) that had 8.5" diffs were 3.73.

The last GN diff I had that I sold went for $1000 without even having to run an ad for it.

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dualquadpete


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Just checked the add & says it's SOLD but drums & other stuff still available. That may have been the rear end I "might" have to stuff" under the 52, as it's got the 7.5 now, with 3:42 gears from Summit!!!! Somebody didn't "flinch' at the price!!!!

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