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Old 18 May 2010, 05:16 pm
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Default what type of engine is in the 2003 rsx?

im lookin at maybe buying a 2003 acura rsx (not type s) i wanna know what type of engine is in it so i can research possible upgrades before i buy it.

i know it is a vtec 4 cyl. 160hp. when i say engine type i mean like how the older civics have the d16z6 and y8. integras have b series engines. so wut is it for the 2003 rxs??
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Old 18 May 2010, 05:31 pm
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a 4 cylinder Vtec the stock engine 160hp the S is 200
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Old 18 May 2010, 05:46 pm
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It has a K20A3. It is also found in the 02-05 civic si and all the RSX base models (02-06)
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Old 18 May 2010, 06:01 pm
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2003 RSX non-Type S is a K20A3 as someone else mentioned. That means it uses a dual stage iVTEC instead of 3 stage, is tuned for fuel economy instead of performance, and has a completely different induction system, pistons, rods, and such. All this equates to a 40hp improvement for the Type S (naturally aspirated).
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