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Old 02-04-2009, 03:32 PM   #1
1982camaro's Avatar
Drives: 1982 camaro
Join Date: Nov 2008
Location: california
Posts: 153
how reliable is the LS3? and why so big?

i have been thinking about the reliability of the LS3 engine as a daily driver. For some reason this engine seems more like a weekend toy type of engine that is only for 1 or 2 days a week.

is there any issues and how many miles can these engines last with proper maintenance? and how have they done being driven 7 days a week?

i thought that the 23 mpg rating was for the manual also but cylinder shutoff only works on autos. What should the epa be for a manual SS?

And why is it such a huge engine at 6.2 liters? Did GM really need that much size to make 420 horses? I heard Ford can do 400 HP with just 5.0 liters.
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