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06-21-2009, 10:55 AM
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#1
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Join Date: Oct 2007
Location: Sewell, NJ
Posts: 1,044
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trans id + need a clutch
71 firebird that came with a 3speed. before I pu the trans back in i want to put in a new clutch. These are the casting i was able to pull of the trans, can anyone tell me what i have.
gm34
3925647
1817 1
886m
38782888
also i have never dealt with a manual trans nor buying a clutch. if anyone can point me in the right direction i would really appreciate it.
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06-21-2009, 02:05 PM
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#2
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Join Date: Jun 2007
Location: Arm pit of the world... NJ
Posts: 2,676
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I don't know which it is but it should be either a Muncie M12 or M13.
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John
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06-21-2009, 08:00 PM
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#3
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Dr Google tells me 3925647 is a Saginaw 3-Spd
A stock replacement clutch is probably fine. I see Delco kits around $110. Looks like there are some variations so I hope you still have your old stuff.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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06-21-2009, 09:02 PM
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#4
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Join Date: Oct 2007
Location: Sewell, NJ
Posts: 1,044
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Quote:
Originally Posted by Featherburner
I don't know which it is but it should be either a Muncie M12 or M13.
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should be but its not, upgrade sometime in the future but for now it will do just fine.
thanks bonzo, just wanted to make sure. Yea i do have my old clutch. Can u post where or pm me where u are looking.
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06-21-2009, 09:06 PM
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#5
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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I just looked it up at rockauto.com
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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06-21-2009, 09:19 PM
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#6
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Join Date: Oct 2007
Location: Sewell, NJ
Posts: 1,044
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Quote:
Originally Posted by BonzoHansen
I just looked it up at rockauto.com
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thanks. and the what should i look at from my old clutch to make sur ei get the correct one. It was just a plate and two disks, what should i measure. Sorry if these questions seem really basic info to u guys but i have never dealt with clutches so im trying to learn somethings from scratch.
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06-21-2009, 09:34 PM
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#7
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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I'm not 100% sure the difference between Raised Diaphragm and Flat Diaphragm. Someone smarter then I in these things will probably pipe in. Maybe Josh.
Buy it local, maybe at your local Napa, that way if it is wrong returning it is easier.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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06-23-2009, 08:14 PM
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#8
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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On the Luk site, I see this:
LuK RepSet 04-002
Application 1971 Pontiac Firebird - 8 Cylinder, 350"
Description 3-Spd, 2Bbl
Disc Specifications
Outside Diameter 10 3/8"
Spline 1 1/8"
Teeth 10
Flywheel Type - Flat
http://catalog.schaeffler-aftermarke...0%22&qualfier=
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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06-24-2009, 06:51 AM
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#9
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Join Date: Oct 2007
Location: Sewell, NJ
Posts: 1,044
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Im just gona go up to napa on saturday and bring my old one like u said. engine is out of a 73 (400) trany is from who know when or where, but is a saginaw 3 speed. hopefully they can match it up. thanks for the help
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06-24-2009, 07:54 AM
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#10
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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If it has all 3 "tabs" on the side cover then it's a Saginaw.
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