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Freeway rpm

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Old 07-13-2009, 10:01 AM
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Default Freeway rpm

Took my car out last night on the freeway and i noticed at abt 75mph my rpms were at 4 something is that normal? what speeds and rpms are your guys going abt?
Old 07-13-2009, 10:03 AM
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normal. 70mph = ~4,100rpm
Old 07-13-2009, 10:54 AM
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Yep, normal. I'm at 4,000rpm @74-76mph. Cosworth has an AP1 so the gearing is slightly different than us with AP2s.
Old 07-13-2009, 11:19 AM
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Hmmm... my 01 AP1 is right at 4k at 75mph
Old 07-13-2009, 11:30 AM
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AP1 : 4000 rpm in 6th = 74.3 mph.

AP2 : 4000 rpm in 6th = 75.5 mph.
Old 07-13-2009, 11:32 AM
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^^ if i rember correctly AP2s have slightly longer 5th and 6th gears, to help make up for the shorter redline
Old 07-13-2009, 11:34 AM
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hum i know at 80 im at 4200 b/c thats where my vtec cross over.
Old 07-13-2009, 11:38 AM
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Originally Posted by ans2k,Jul 13 2009, 03:34 PM
hum i know at 80 im at 4200 b/c thats where my vtec cross over.
4200 rpm in 6th puts you at 79.3 mph, with 100% OEM spec brand spankin new tires of course.
Old 07-13-2009, 02:47 PM
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Don't Worrie about the High RPM's


My S is around 5900 rpm when I'm Crusing on the Highway.
Old 07-13-2009, 03:22 PM
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Originally Posted by bronxbomber252,Jul 13 2009, 02:19 PM
Hmmm... my 01 AP1 is right at 4k at 75mph


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