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02-24-2010, 08:11 AM
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#26
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Join Date: Oct 2009
Posts: 443
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I weighed the steel shaft, and it comes to 19.6 lbs. I contacted three different people who listed aluminum drive shafts part number 12564003 for sale, and asked them to weigh the shafts using a bathroom scale. The weights came in at 10, 11.5 and "almost" 12 lbs. So I am going to make the safe assumption that the documented weight of aluminum drive shaft part number 12564003 being 11.5 lbs is correct.
So there is an easy 8.1 lbs weight savings over steel shaft part number 12556670 by using the aluminum shaft.
The other part numbers for aluminum drive shafts are:
96 - 99 Fbody w/ GU5 have shaft P/N 12559525
00 Fbody w/ GU5 have shaft P/N 12564003
01 - 02 Fbody w/ GU5 have shaft P/N 12564004
It is interesting to note that SI says if imbalance from drive shaft cannot be corrected by 180 degree re-install for 12564003, to use 12564004.
BTW, the lightest aluminum drive shaft is the 1LE 2.75" diameter shaft weighing in at under 10 lbs.
Hmmm. how much do those 17" vette wheels weigh I want to add? LOL!
__________________
1998 Firebird Coupe
Mods: 3.73 Gears, Eaton TrueTrac, PCM Tune, LS1 Aluminum Drive Shaft, Cold Air Intake, 180 Thermostat, Magnaflow Cat-Back Exhaust, Moog LCA busings.
My Firebird Projects : Click Here
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02-24-2010, 08:16 AM
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#27
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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if they are replicas, they are tanks. oems, prob pretty reasonable.
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02-24-2010, 08:36 AM
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#28
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Join Date: Aug 2005
Location: Blackwood, NJ
Posts: 2,295
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Your luck my 98 had a 2 Piece steel D/S stock.
__________________
Jeff
2002 WS6 T/A.. M6..Built 383 TMR tune..461rwhp,458rwtq
2009 G8 GT. Bone stock 13.6@103.. Vararam Intake, GXP Axlebacks, LS2 FRC's
1998 Corvette Convertible, Vararam Intake+Power Duct, Fast 90/90, Ti Axleback..12.8@110
2003 Cobra Convertible 10th Anniversary
http://www.fquick.com/slow-v6
Local car cruise schedule..
http://www.cliffscalendar.com/
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02-24-2010, 01:07 PM
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#29
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Join Date: Oct 2009
Posts: 443
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Quote:
Originally Posted by Slow-V6
Your luck my 98 had a 2 Piece steel D/S stock.
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Well, for you it would pay to call the local salvage yards for a drive shaft. Should be able to get one for less than on ebay, etc.
__________________
1998 Firebird Coupe
Mods: 3.73 Gears, Eaton TrueTrac, PCM Tune, LS1 Aluminum Drive Shaft, Cold Air Intake, 180 Thermostat, Magnaflow Cat-Back Exhaust, Moog LCA busings.
My Firebird Projects : Click Here
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02-24-2010, 01:34 PM
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#30
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,941
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Quote:
Originally Posted by Mark42
Hmmm. how much do those 17" vette wheels weigh I want to add? LOL!
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I have OEM ZR1 wheels and my buddy has replica ones... mine are ~22lbs.. his are friggen steam rollers... 
Def get OEM wheels if you can afford em.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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02-24-2010, 02:09 PM
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#31
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Join Date: Sep 2009
Location: Staten Island, NY
Posts: 206
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Looks nice ,,, but dammmm you have tooo much time on your hands . 
__________________
383 Motor with 9:1, P1SC Procharger and much more
Last edited by siguy; 02-24-2010 at 02:09 PM.
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02-24-2010, 05:38 PM
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#32
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Join Date: Aug 2005
Location: Blackwood, NJ
Posts: 2,295
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Quote:
Originally Posted by Mark42
Well, for you it would pay to call the local salvage yards for a drive shaft. Should be able to get one for less than on ebay, etc.
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Thats what I did. There was a 4th Gen Junk yard in South Carolina back in the day that I got a used D/S from. That was back in 2003.. Damn its been long.
__________________
Jeff
2002 WS6 T/A.. M6..Built 383 TMR tune..461rwhp,458rwtq
2009 G8 GT. Bone stock 13.6@103.. Vararam Intake, GXP Axlebacks, LS2 FRC's
1998 Corvette Convertible, Vararam Intake+Power Duct, Fast 90/90, Ti Axleback..12.8@110
2003 Cobra Convertible 10th Anniversary
http://www.fquick.com/slow-v6
Local car cruise schedule..
http://www.cliffscalendar.com/
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