Nic Barnes
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Registered: 5th Apr 04
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depends what rolling radius of wheel and tyre is tbh. 137mph is on 14" wheels with 185 60 14's i do believe as std.
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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quote: Originally posted by Nic Barnes
depends what rolling radius of wheel and tyre is tbh. 137mph is on 14" wheels with 185 60 14's i do believe as std.
On what car??Cav/Calibra/Mk3 Astra all came with 15s as standard.
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Nic Barnes
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mk2 didnt.
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Corsa_Sport21
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Registered: 13th Apr 08
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IIRC the MK3 Gsi had a 55 profile tyre on the 15s and also had a top speed of 137.
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Nic Barnes
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like i said rolling radius.
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Corsa_Sport21
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Which would probably be the same for a 14" wheel with a 60 profile tyre and a 15" wheel with a 55 profile tyre.
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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also the width of tyre comes into. but whatever. rolling radius can affect max speed. so 137mph isnt the max speed on an f20. thats all i am saying.
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Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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I know.All im saying is 140+ is a bit optimistic for the max real speed.
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