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904 clutch disc clearance #899785
01/08/11 06:37 PM
01/08/11 06:37 PM
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust Offline OP
master
DemonDust  Offline OP
master

Joined: Feb 2005
Posts: 5,207
Menomonee Falls
How much clearance do I need on the front drum with 5 discs and 4 discs in the other.

I have race discs...


SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/
Re: 904 clutch disc clearance [Re: DemonDust] #899786
01/08/11 09:44 PM
01/08/11 09:44 PM
Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
S
S/ST 3040 Offline
master
S/ST 3040  Offline
master
S

Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
Forward (the one @ the rear) - .028"-.034"

High gear clutch pack - .060"-.070"

Re: 904 clutch disc clearance [Re: DemonDust] #899787
01/08/11 09:47 PM
01/08/11 09:47 PM
Joined: May 2006
Posts: 296
CT
T
turbocolt2.4L Offline
enthusiast
turbocolt2.4L  Offline
enthusiast
T

Joined: May 2006
Posts: 296
CT
I run .050-.060 w/5 direct friction solid snap ring and the forwards i run .020 i havent had any problems with either well over 140 chassis dyno pulls and a ton of track time they look new 160 psi line pressure turbo 4cyl 600RWHP.

Re: 904 clutch disc clearance [Re: turbocolt2.4L] #899788
01/08/11 10:43 PM
01/08/11 10:43 PM
Joined: Jan 2003
Posts: 5,989
Anoka County, MN
L
Leigh Offline
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Leigh  Offline
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Joined: Jan 2003
Posts: 5,989
Anoka County, MN
I built a E/SA 904 2 decades ago. That is the only 904/999 trans I have touched. However, from the 727 info I have collected, I would run .015 per disc on the front clutch, and .006 on the rear.

Re: 904 clutch disc clearance [Re: Leigh] #899789
01/09/11 06:32 PM
01/09/11 06:32 PM
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust Offline OP
master
DemonDust  Offline OP
master

Joined: Feb 2005
Posts: 5,207
Menomonee Falls
Thanks for the info guys!!!


SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/






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