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#1
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New Miata owner
My wife and I just bought a 1999 Miata. We love it so far. I just sold a
1970 VW Karmann Ghia and am switching from the aircooled VW newsgroup to here, so I am a newbie. My first question is this. When following the car home after we bought it, we noticed that the speedometer seems to be off. When the car is going 65 (according to the car following) the speedometer reads 70. I thought it might be attributable to the 50 series tires that are on the car, but we have the Leather Package which includes the Touring Package which had 50 series tires on it from the factory (I thought maybe they were added later). I am not as concerned about the speedometer being off as the RPM range the car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems excessive, but being new to Miatas it may be OK. Is this RPM normal for driving at 65 in a Miata. Thanks in advance for your help and I hope to be a regular on this newsgroup. Brian Turner |
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#2
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RPM's seem about right....maybe a fuzz high. Miatas are a high RPM car.
The 1st one that I drove, I couldn't believe how high the RPM's were on the highway too! The speedometers are usually a bit optimistic. I would guess a couple of mph high at 65 could be considered normal. The car following might be just the opposite like my truck is. "Brian Turner" > wrote in message ... > My wife and I just bought a 1999 Miata. We love it so far. I just sold a > 1970 VW Karmann Ghia and am switching from the aircooled VW newsgroup to > here, so I am a newbie. My first question is this. When following the > car > home after we bought it, we noticed that the speedometer seems to be off. > When the car is going 65 (according to the car following) the speedometer > reads 70. I thought it might be attributable to the 50 series tires that > are on the car, but we have the Leather Package which includes the Touring > Package which had 50 series tires on it from the factory (I thought maybe > they were added later). > > I am not as concerned about the speedometer being off as the RPM range the > car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems > excessive, but being new to Miatas it may be OK. Is this RPM normal for > driving at 65 in a Miata. > > Thanks in advance for your help and I hope to be a regular on this > newsgroup. > > Brian Turner > > |
#3
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"Mike" > wrote:
>RPM's seem about right....maybe a fuzz high. Miatas are a high RPM car. >The 1st one that I drove, I couldn't believe how high the RPM's were on the >highway too! The speedometers are usually a bit optimistic. I would guess a >couple of mph high at 65 could be considered normal. The car following might >be just the opposite like my truck is. They are none too accurate, and tires make a difference. The answer is to check with a GPS, if you drive within a hair of the "they will probably not ticket me" speed like I do. >"Brian Turner" > wrote in message ... >> My wife and I just bought a 1999 Miata. We love it so far. I just sold a >> 1970 VW Karmann Ghia and am switching from the aircooled VW newsgroup to >> here, so I am a newbie. My first question is this. When following the >> car >> home after we bought it, we noticed that the speedometer seems to be off. >> When the car is going 65 (according to the car following) the speedometer >> reads 70. I thought it might be attributable to the 50 series tires that >> are on the car, but we have the Leather Package which includes the Touring >> Package which had 50 series tires on it from the factory (I thought maybe >> they were added later). >> >> I am not as concerned about the speedometer being off as the RPM range the >> car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems >> excessive, but being new to Miatas it may be OK. Is this RPM normal for >> driving at 65 in a Miata. >> >> Thanks in advance for your help and I hope to be a regular on this >> newsgroup. >> >> Brian Turner >> >> > -- Leon van Dommelen Bozo, the White 96 Sebring Miata .) http://www.dommelen.net/miata EXIT THE INTERSTATES (Jamie Jensen) |
#4
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In article >,
"Brian Turner" > wrote: > When the car is going 65 (according to the car following) the speedometer > reads 70. Regrettably quite normal. You learn to adjust. The odo is accurate, though. > I am not as concerned about the speedometer being off as the RPM range the > car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems > excessive, but being new to Miatas it may be OK. Is this RPM normal for > driving at 65 in a Miata. It's fine. The rev limiter at 7300 will keep you out of trouble, and the car will run happily at 6000 all day. It doesn't start making reasonable power until 4000. -- Lanny Chambers, St. Louis, USA '94C the alignment page: http://www.hummingbirds.net/alignment.html |
#5
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Brian,
I love the aircooled newsgroup, they've helped me out a bunch in the past with a 74 Super Beetle that finally wore out both me and my daughter. The good news is that this group is as helpful and as focused as that group (which is rare). It may not be quite as diverse but it's probably not far off. One thing you'll find out is that the miata is worlds more reliable and just as much fun, the love affair is just beginning! Chris 92BB&T "Lanny Chambers" > wrote in message ... > In article >, > "Brian Turner" > wrote: > > > When the car is going 65 (according to the car following) the speedometer > > reads 70. > > Regrettably quite normal. You learn to adjust. The odo is accurate, > though. > > > I am not as concerned about the speedometer being off as the RPM range the > > car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems > > excessive, but being new to Miatas it may be OK. Is this RPM normal for > > driving at 65 in a Miata. > > It's fine. The rev limiter at 7300 will keep you out of trouble, and the > car will run happily at 6000 all day. It doesn't start making reasonable > power until 4000. > > -- > Lanny Chambers, St. Louis, USA > '94C > the alignment page: > http://www.hummingbirds.net/alignment.html |
#6
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On 2004-09-12, Lanny Chambers > wrote:
>> When the car is going 65 (according to the car following) the speedometer >> reads 70. > > Regrettably quite normal. You learn to adjust. IIRC, my 96 read about 3MPH high at 65. Haven't checked my 03. > The odo is accurate, though. IIRC, that is required by law. > It's fine. The rev limiter at 7300 will keep you out of trouble, and the > car will run happily at 6000 all day. It doesn't start making reasonable > power until 4000. It sure feels to me like the M2s have to be revved higher than the 1.8L M1's. -- Grant Edwards grante Yow! .. If I had heart at failure right now, visi.com I couldn't be a more fortunate man!! |
#7
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"Brian Turner" > wrote in message
... > When the car is going 65 (according to the car following) the speedometer > reads 70. This is 'normal' for a Miata. My GPS consistantly reads 65mph when the speedometer reads 70. > I am not as concerned about the speedometer being off as the RPM range the > car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems > excessive, but being new to Miatas it may be OK. Is this RPM normal for > driving at 65 in a Miata. Seems a bit high -- although they may have changed the gear ratio in the newer Miatas. My '94 reads 3500rpm at 70mph (indicated) and 4k at 80mph in 5th gear. Be aware of the rev limiter around 7200rpm, which in my car I hit at 65mph in 2nd gear and 80mph in 3rd. Haven't hit the rev limiter in 4th or 5th. Theoretical speed limit of my Miata would be 144mph, haven't tried that yet. ;-) |
#8
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Brian Turner wrote:
> When following the car > home after we bought it, we noticed that the speedometer seems to be off. > When the car is going 65 (according to the car following) the speedometer > reads 70. Yeah. My '02 SE does that too. 70MPH indicated is something like 64.6 MPH according to my GPS. > I am not as concerned about the speedometer being off as the RPM range the > car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems > excessive, but being new to Miatas it may be OK. Is this RPM normal for > driving at 65 in a Miata. Sounds about right. Dana |
#9
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In article >, Dana Myers > wrote:
>Brian Turner wrote: > >> When following the car >> home after we bought it, we noticed that the speedometer seems to be off. >> When the car is going 65 (according to the car following) the speedometer >> reads 70. > >Yeah. My '02 SE does that too. 70MPH indicated is something >like 64.6 MPH according to my GPS. > >> I am not as concerned about the speedometer being off as the RPM range the >> car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems >> excessive, but being new to Miatas it may be OK. Is this RPM normal for >> driving at 65 in a Miata. > >Sounds about right. Yep, mine reads about 70 when going 65. I've never had a speedo that read low or accurately. But this one is more optimistic than any other. Note, the odometer is not off by anywhere near as much, perhaps 1% high? Would make an interesting fight for warranty coverage if it was that far off! My calculations for rpm at 65 (actual) mph: 5-speed: 3360 6-speed: 3100 MS Miata: 3220 |
#10
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Brian Turner wrote:
> My wife and I just bought a 1999 Miata. We love it so far. I just sold a > 1970 VW Karmann Ghia and am switching from the aircooled VW newsgroup to > here, so I am a newbie. My first question is this. When following the car > home after we bought it, we noticed that the speedometer seems to be off. > When the car is going 65 (according to the car following) the speedometer > reads 70. I thought it might be attributable to the 50 series tires that > are on the car, but we have the Leather Package which includes the Touring > Package which had 50 series tires on it from the factory (I thought maybe > they were added later). > > I am not as concerned about the speedometer being off as the RPM range the > car is in when driving 65 MPH. The car revs at 3,700 RPM. This seems > excessive, but being new to Miatas it may be OK. Is this RPM normal for > driving at 65 in a Miata. > > Thanks in advance for your help and I hope to be a regular on this > newsgroup. > > Brian Turner > > My 94 was higher rev, if you don't hold to 5k+ regularly you're not enjoying the car enough. If you occasionally get that hydraulic lifter noise after a good run you're in the ballpark, if you get it every time you be runnin her a little hard. My new 04 MSpeed has a better torque curve that and the 6 speed keeps the average rev down a bit. First gear is a shorter run though took abit to get used to shifting her fast enough not hit the limitered. 4k'ish is a good spot for driving S-curves and about where she sits at 80 mph in 6th. |
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