front clutch destroyed after 15 pass

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Old 07-24-2014 | 01:31 PM
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raffaplymouth's Avatar
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front clutch destroyed after 15 pass

hello ... anyone know why my front clutch everytime is destroyed after 15 pass ?? 727 is full manual with no low band apply smr valvebodie

thanks

Raffaele
Old 07-24-2014 | 04:05 PM
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Drum Got drilled 0.050 for more pressure?
Blown out seal?
Wrong Direct drum piston?

Raffa...If you have to much more problems... Have you talked to John Cope at Cope Racing Trans? I think he can help get you fixed up.
That's way to much failure there my friend !!!!
Old 07-25-2014 | 11:37 PM
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Originally Posted by RacerHog
Drum Got drilled 0.050 for more pressure?
Blown out seal?
Wrong Direct drum piston?

Raffa...If you have to much more problems... Have you talked to John Cope at Cope Racing Trans? I think he can help get you fixed up.
That's way to much failure there my friend !!!!

Hi Bob ... everything is checked ...i have buy all parts from SMR transmission :

front billet drum
5 gear planetary
billet piston
billet rod
red alto clutch
smr AA valvebodie full manual reverse pattern

i dont have speaked with John Cope because i dont have buy the parts from he

SMR told me that car is too powerful for this transmission
Old 07-26-2014 | 09:48 AM
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Oh Boy.... If that the case..... Then it looks like it might be time to convert over to the G.M. T.H.400 or the Super Glide, Bruno's, B&J.

I did not think you were up in that H.P. range yet? But when you start getting near that 900 foot pounds of torq. (FPOT)... Then things start getting iffy...

I'm not 100% sure this will fix the problem.... But ask SMR if there is a way to get somemore line pressure to the front drum?

Speaking of line pressure, Ask SMR or A&A what the pressure should be and get a reading from the trans port?

If all is well there... Then I would have to agree that the motor is just over powering the trans.....
Old 08-19-2014 | 09:38 PM
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Originally Posted by RacerHog
Oh Boy.... If that the case..... Then it looks like it might be time to convert over to the G.M. T.H.400 or the Super Glide, Bruno's, B&J.

I did not think you were up in that H.P. range yet? But when you start getting near that 900 foot pounds of torq. (FPOT)... Then things start getting iffy...

I'm not 100% sure this will fix the problem.... But ask SMR if there is a way to get somemore line pressure to the front drum?

Speaking of line pressure, Ask SMR or A&A what the pressure should be and get a reading from the trans port?

If all is well there... Then I would have to agree that the motor is just over powering the trans.....
Bob i just buyed from John Cope Racing a new valve body that will cure the line pressure in 3rd ... john told me this will be solve my problem ... i will let you know... 14 sept i have the race .. i hope in 9.90 !! im undecided wich modify on front end for high speed .. look like flying
Old 08-20-2014 | 02:39 PM
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Hope you had a great time here in the USA.... Looks like you and everyone had a great time.... Sorry I could not meet you at NHRA Pomona.
I Hope John Cope Got your trans problem fixed, and no more burning up clutch's in the trans.
On the front suspension.... It you have a Sway bar in the front??? Disconnect it and let the front end travel natural....
A 1.40 60' should get you in the 9.90's or a little better...
Good Luck....
Old 11-01-2014 | 03:59 PM
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Originally Posted by RacerHog
Hope you had a great time here in the USA.... Looks like you and everyone had a great time.... Sorry I could not meet you at NHRA Pomona.
I Hope John Cope Got your trans problem fixed, and no more burning up clutch's in the trans.
On the front suspension.... It you have a Sway bar in the front??? Disconnect it and let the front end travel natural....
A 1.40 60' should get you in the 9.90's or a little better...
Good Luck....
Hi guys ... This is the update .. Best ET 9,79@148 mph !!!!! ..no burning the front clutch with new valvebodie from john cope racing , i have removed the pan after the race and i see clean oil and no clutch residual ...
Attached Thumbnails front clutch destroyed after 15 pass-image.jpg  
Old 11-01-2014 | 04:15 PM
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That is Great News..... Glad to hear things are working better.....
I really like all the stuff you got over on F.B.... Thanks for sharing Raffa.
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