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Old 05-08-2010, 03:09 PM   #78 (permalink)
Formula413
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Join Date: Jan 2008
Location: In the Northeast dreaming of the Southwest
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Aegean C - '17 Honda Civic LX
90 day: 42.05 mpg (US)
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Quote:
Originally Posted by texanidiot25 View Post
The 700R4 is a fairly efficient auto, only accounting for a %14 power consumption. The reason he went with it, is because it was cheap and didn't have to bother with the later computer controlled trans. A 700R4 could be built to easily handle the power. The 4L80E would be perfect, the TH400-based OD trans.
The 4L80E is occasionally swapped into 4th generation F Bodies that came with the 4L60E when people are making more power than a 60 can handle but don't want to go with a TH400 and lose OD. The 60 and 80 actually refer to the maximum GVW each transmission is intended for, 4L60E = 6,000 lb GVW, 4L80E = 8,000 lb GVW.
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