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another 727 ??
#1368928
01/13/13 02:57 PM
01/13/13 02:57 PM
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Joined: Aug 2009
Posts: 2,042
Mooresburg, Tn
'72CudaRacer
OP
top fuel
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OP
top fuel
Joined: Aug 2009
Posts: 2,042
Mooresburg, Tn
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In a 727 with a Turbo Action reverse manual valve body, when is the front clutch applied? Only in high gear? With a race only transmission, how many springs should be installed on the front clutch piston? 15?
Are the following correct with this valve body? Rear clutch is applied in all foreward positions, disengaged in P, N & R. Rear band applied in 1 & R, disengaged at all other positions. Front band applied in 2, disengaged in all other positions.
Thanks,
Brian Dunnigan
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Re: another 727 ??
[Re: '72CudaRacer]
#1368929
01/13/13 03:12 PM
01/13/13 03:12 PM
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Joined: Nov 2005
Posts: 656
Kokomo, IN
540dust
mopar
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mopar
Joined: Nov 2005
Posts: 656
Kokomo, IN
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Quote:
In a 727 with a Turbo Action reverse manual valve body, when is the front clutch applied? Only in high gear? With a race only transmission, how many springs should be installed on the front clutch piston? 15?
Are the following correct with this valve body? Rear clutch is applied in all foreward positions, disengaged in P, N & R. Rear band applied in 1 & R, disengaged at all other positions. Front band applied in 2, disengaged in all other positions
The front clutch pack is applied also in reverse and when the transbrake is set. Other than that, you got it. Of course some aftermarket valvebodies do not engage the low band in low and some do. Applying the low band protects the sprag some but adds another timing consideration between low and second and takes some doing to get that correct.
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Re: another 727 ??
[Re: '72CudaRacer]
#1368930
01/13/13 04:34 PM
01/13/13 04:34 PM
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Joined: Jan 2003
Posts: 16,925
NC
440Jim
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,925
NC
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Quote:
In a 727 with a Turbo Action reverse manual valve body,
Turbo Action p/n 17156, does not apply the rear band in 1st gear
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