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i need opinion about the power of my coupe #1636569
03/11/2019 16:56
03/11/2019 16:56
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olips81 Offline OP
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https://www.youtube.com/watch?v=oeBPi2tIYD8

are not these revs per minute are too much for the speed?

Re: i need opinion about the power of my coupe [Re: olips81] #1636570
03/11/2019 17:51
03/11/2019 17:51
Joined: Jun 2007
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respace Offline
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I'd say that was ok,assuming that is MPH not kilometres the 20v always feels low geared to me so feels high revving

Re: i need opinion about the power of my coupe [Re: respace] #1636572
03/11/2019 18:08
03/11/2019 18:08
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olips81 Offline OP
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it is km/h not MPH

Last edited by olips81; 03/11/2019 18:08.
Re: i need opinion about the power of my coupe [Re: olips81] #1636573
03/11/2019 18:16
03/11/2019 18:16
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Countrycruising Offline
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The revs are correct for the 20v n/a gearbox ratios, yes these cars rev high when you're cruising in 5th gear.

One other thing I noticed is your oil pressure isn't at 3 bar when you're cruising, only when you're past 5k does it go higher so what pressure is the guage when you're idling with a hot engine?

Re: i need opinion about the power of my coupe [Re: Countrycruising] #1636574
03/11/2019 18:39
03/11/2019 18:39
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olips81 Offline OP
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this is 3rd gear smile i think before week ago revs was 4000 and the speed 140 km/h on 3rd gear. this is why i think the coupe lost power but i dont know why. when engine is hot then the oil pressure is 3 bar (i am using 10/60)

Re: i need opinion about the power of my coupe [Re: olips81] #1636582
04/11/2019 10:54
04/11/2019 10:54
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If you feel you're loosing power check the condition of the spark plugs as the N/A models can eat plugs sometimes, VIS especially.

Re: i need opinion about the power of my coupe [Re: olips81] #1636613
04/11/2019 14:51
04/11/2019 14:51
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Is your thermostat working as it should? I don't know about 20v's but on 16vt's if the engine hasn't reached operating temperature, it will run significantly slower.

Re: i need opinion about the power of my coupe [Re: olips81] #1636614
04/11/2019 15:28
04/11/2019 15:28
Joined: Aug 2007
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As Joe says, the revs look correct for a 20V. 140 km/h at 4000 rpm means about 210 km/h at 6000 rpm - also about right for a 20V in 5th gear, not third.

A simple pointer that the clutch is most probably OK - The 20V instruments are set up so that the rev counter needle and the speedo needle stay parallel in top gear.

As long as the clutch is fine and not slipping, losing power will not result in a change of engine speed in relation to road speed. Acceleration will probably be down but the car will still go at the same speed for a given engine rpm in the same gear.


1997 20V
2000 V6 manual S-Type and 2011 5.0 XKR
2016 Tucson 1.6T AWD
2018 Mazda2 GT

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