Thread: What's the right RPM torque converter?
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Old 05-21-2009, 10:15 PM
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Join Date: Jun 2006
Location: Merced, Ca
Cobra Make, Engine: West Coast-Ford Performance Solutions 533 BB
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Question What's the right RPM torque converter?
My 533BB Ford generates high torque and has a C6 behind it. The torque converter is a 2600 stall converter. I have read articles on this topic but am still confused. If I'm cruising at 2250RPM's on the highway is the converter continually slipping for as long as I'm cruising? Does this generate excess heat? Will it contribute to early failure of the converter or transmission? I do have a tranny cooler mounted up front.

I realize the mechanicals are more complex than I understand, but:

Should the converter be chosen of such an RPM as to allow full lockup at highway speeds with a given gear setup such as switching to a 2200 RPM converter? Or is the converter choice more dependent on the engine torque and the gears should be adjusted so that cruising RPM match the torque converter's rating (over 2600RPM)?

Thanks for any feedback on this!

Regards,

Dirk
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