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Old 07-12-2014, 01:08 AM   #7 (permalink)
jamesqf
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Quote:
Originally Posted by Cobb View Post
Again, having owned an insight and felt it out its a conclusion many come to. The least you use of the ima system the better your mpg is.
Really depends on the sort of driving you do. If there are sizeable hills, it really helps. From my own recent experience (having the IMA essentially not working for a few months due to an unbalanced battery pack), it's worth at least 5 mpg from not having to downshift as much during climbs.
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