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Posted Saturday, July 21, 2007 9:26 AM
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Out of all automatics out there, which one can take the most beating under racing conditions only ? I am a stick person, but I am leaning  towards a C4 , don't want a c6 , size and wiegh . Is anything else out there  ,  for a high power , low wieght car ?

Po ol Davie

Sparta , Tn.

Post #5977
Posted Saturday, July 21, 2007 9:38 AM
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Dave, the C4 when done by TCI or Lentech or any of several other shops will handle 800 hp pretty easily. The c6's more.

Ted runs a C4 in his altered.

Frank/Rebop

Bristol, In ( by Elkhart) 

Post #5978
Posted Sunday, July 22, 2007 7:29 AM
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mongo (7/21/2007)
Out of all automatics out there, which one can take the most beating under racing conditions only ? I am a stick person, but I am leaning  towards a C4 , don't want a c6 , size and wiegh . Is anything else out there  ,  for a high power , low wieght car ?

Frank is likely thinking of my '57 racecar which has a C4 but my roadster has a PG bolted up to the Y.  On the scale of power losses attributed to using an automatic transmission the PG would be considered having the least losses while the C6 would have the most.  The C4 comes in close to the PG on that same scale which makes it a suitable candidate for a racing trans especially if needing a lower gear ratio for launch while still trying to maintain a suitable rear gear ratio for a quarter mile sprint.  On my end the PG tranny is about a third of the cost of a built C4 or C6 but I originally started using PG's back before the technology was available to get the performance and durability from the Ford automatics.  That's all changed now and as such I've got cars with PG's, C4's, and C6's.

Lorena, Texas  (South of Waco)

Post #5991
Posted Sunday, July 22, 2007 6:22 PM
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Thanks ted, those were the facts I needed to know, I have been tossing around which one, either the pg or c4 , I am leaning towards a c4, because of a lot of little things that will work better for me. Thanks again

Po ol Davie

Sparta , Tn.

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