Tire and Rim size question

2007 MITSUBISHI LANCER
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i have lancer 1300cc i modified it to 1600cc and modified the rims to 15' and tires to 65/205 my problem is when go on high speed my 5th gear give me speed 180 km limited and constant RPM 5 x1000 on 4th gear i get 190 km and RPM 7 x1000 although my 1300cc engine can get 220 km easily so i made full engine check it was greet what u recommend to do i need better performance for my car
Apr 10, 2013 at 11:32 PM
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KHLOW2008
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1300 cc getting 220 kph? What did you do to get that speed? I am interested to know.
Apr 11, 2013 at 1:10 PM
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KISHO
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really my 1300cc engine can get 220 km but that not my problem why my 1600cc cant get more speeds and hasn't more acceleration
Apr 11, 2013 at 4:48 PM
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KHLOW2008
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The speed you are getting now is what you can expect from a 1.6 L engine and nothing more.

The engine is losing out torque at high speed thus dropping to 180 when shifted to 5th. You would need to increase the engine power to go above 200 kph.

As to 1.3 L getting 220kph, eithe the engine has been souped up and has more power than your 1.6 L, the other possible reasons are you have a faulty speedometer which is showing you he wrong speed or the tires are undersized and you are travelling at a lower speed that shown.

For a 1.3 L engine, 170 kph is the max speed you can expect and as to what you are saying, the maths don't add up.
Apr 12, 2013 at 9:37 AM