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Old 05-25-2002, 03:05 PM
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Question Chrysler Tranny

I've got a '79 newport with a 360 that i am going to rebuild. somebody told me that the tranny on this model is basically junk and will not hold up. Is there any truth to this and what would you recommend i use? I am planning on having around 300hp.

Thanks,

JB

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Old 05-26-2002, 03:03 PM
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What tranny is it? 904? 737?

From what I've heard of those two trannies, the 737 is the stronger of the two, and the 904 is like the weaker sibling. I have a friend with a 74 Roadrunner with a built 318 that has a 737. All he did to it was have it rebuilt and add a shift kit. Seems to be doing pretty good.
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Old 05-28-2002, 07:13 PM
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I believe Cardshark is right, but I don't know if the 904 would have any problems handling that power. I'm certianly no trany expert, but a friend of mine used to run a 904 in super stock; said he got an extra tenth from less hp loss. :p
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Old 05-29-2002, 09:02 PM
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Well Guys, You either have a torqueflite 727 (not 737)or the smaller 904. Both are very good transmissions. The 727 is the best and it handles the torque of 440's and hemi's with no problems. The 727 is the most simple and reliable automatic ever made (In my opinion). I rebuilt my first one many years ago with little or no transmission knowledge and it worked great. Be careful about the torque converter. Some of the later 70's engines were externally balanced and the torque converter has the counterweight attached and not the flexplate. If you intall the wrong converter you will have a serious vibration problem.
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