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Old 02-09-2010, 04:48 PM #1
T4Fun T4Fun is offline
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4.O Liter engine 10 4R and FJ
just curious, arent they supposedly the same? why the differerent engine covers?
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4.O Liter engine 10 4R and FJ-toyota_fj_cruiser_4x4_at_2010_other_engine-jpg  4.O Liter engine 10 4R and FJ-163_099_11z-2010_toyota_4runner-engine-jpg 
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Old 02-09-2010, 04:55 PM #2
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I'd like to say they are about 80-90% the same. the bore size is sightly bigger at 4000cc rather then the old 1gr at something like 3986 I think. also I heard they change the intake side of the valves and change some things in the fuel map. APR will definitely have a harder time tuning this engine over the older version.
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Old 02-09-2010, 06:11 PM #3
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The 2010 FJ I drove when shopping around had the same cover.
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Old 02-09-2010, 06:27 PM #4
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Quote:
Originally Posted by T4Fun View Post
just curious, arent they supposedly the same? why the differerent engine covers?
Because that's a picture of the 2009 VVT-i FJ engine. See the oil filter on top?
2010 's FJ and 4Runner use the same dual VVT-i 4.0L engine and cover.
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