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#1
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1980 RPM's
I have a 1980 coupe with an auto transmission & 350 motor. I was
wondering what the RPM's should read on the tach when cruising at 60 MPH. My car is running at around 3200 which seems a bit high & my gas milage is terrible. I was thinking it should drop down to around 2200. Could this be a trans problem? Thanks |
#2
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I think that the RPM reading is correct. That's the reading I get on my
'80. We would have to go with an automatic over-drive tranny if we wanted to improve mileage. If I'm not mistaken, you have a 350 turbo hydramatic automatic transmission... Enrique |
#3
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I think that the RPM reading is correct. That's the reading I get on my
'80. We would have to go with an automatic over-drive tranny if we wanted to improve mileage. If I'm not mistaken, you have a 350 turbo hydramatic automatic transmission... Enrique |
#4
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I have a 79 with the TH350 tranny. The car is documented to get 12 MPG. I
checked mine today. I'm getting 12.1 MPG. Yes, that's terrible by today's standards. However, it's normal for our cars. If your mileage is much less than 12 MPG you probably have some tuning to do. However, I'd bet your transmission is fine. Ryan "Jimmy Vette" > wrote in message m... > I have a 1980 coupe with an auto transmission & 350 motor. I was > wondering what the RPM's should read on the tach when cruising at 60 > MPH. My car is running at around 3200 which seems a bit high & my gas > milage is terrible. I was thinking it should drop down to around 2200. > Could this be a trans problem? > Thanks |
#5
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'I checked mine today. I'm getting 12.1 MPG. Yes, that's terrible by
today's standards. However, it's normal for our cars. ' ME: In my 1970 built BB Vette., i get 13 mpg town and 14.5 highway. 4 speed M21. |
#6
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wrote:
>> 'I checked mine today. I'm getting 12.1 MPG. Yes, that's terrible by >> today's standards. However, it's normal for our cars. ' >> >> ME: In my 1970 built BB Vette., i get 13 mpg town and 14.5 highway. >> 4 speed M21. And you call yourself a Christian; polluting the country and wasting scarce natural resources? Pfffft; you're nothing but a big gay hypocrite! -- My IMPROVED website now on my server @ http://earthnet.myftp.org It's a must-see! Expanding Online Store @ http://tinyurl.com/3bywg The CHEAPEST utility services in the UK :- http://tinyurl.com/3ff7m See for yourself. Watch the PowerPoint Presentation. :- http://tinyurl.com/2y6ou Back in Operation : The Blog With Teeth. : http://thebrainspot.blogspot.com |
#7
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wrote:
>> 'I checked mine today. I'm getting 12.1 MPG. Yes, that's terrible by >> today's standards. However, it's normal for our cars. ' >> >> ME: In my 1970 built BB Vette., i get 13 mpg town and 14.5 highway. >> 4 speed M21. And you call yourself a Christian; polluting the country and wasting scarce natural resources? Pfffft; you're nothing but a big gay hypocrite! -- My IMPROVED website now on my server @ http://earthnet.myftp.org It's a must-see! Expanding Online Store @ http://tinyurl.com/3bywg The CHEAPEST utility services in the UK :- http://tinyurl.com/3ff7m See for yourself. Watch the PowerPoint Presentation. :- http://tinyurl.com/2y6ou Back in Operation : The Blog With Teeth. : http://thebrainspot.blogspot.com |
#8
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'I checked mine today. I'm getting 12.1 MPG. Yes, that's terrible by
today's standards. However, it's normal for our cars. ' ME: In my 1970 built BB Vette., i get 13 mpg town and 14.5 highway. 4 speed M21. |
#9
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I've got a 78 w/ L82 and the RPM sounds right; somewhere around 3200 at 60-
65 mph. I get about 12-13 mpg and nothing has ever changed that ... have installed high performance plug wires, used split-fire plugs, K&N air filter, higher voltage coil, etc., nothing. Have gotten up to 15 mpg on long trips though. To make it worse I've got the smaller 13(?) gallon gas tank. "RWDoyle" > wrote in : > I have a 79 with the TH350 tranny. The car is documented to get 12 > MPG. I checked mine today. I'm getting 12.1 MPG. Yes, that's > terrible by today's standards. However, it's normal for our cars. > > If your mileage is much less than 12 MPG you probably have some tuning > to do. However, I'd bet your transmission is fine. > > Ryan > > "Jimmy Vette" > wrote in message > m... >> I have a 1980 coupe with an auto transmission & 350 motor. I was >> wondering what the RPM's should read on the tach when cruising at 60 >> MPH. My car is running at around 3200 which seems a bit high & my gas >> milage is terrible. I was thinking it should drop down to around >> 2200. Could this be a trans problem? >> Thanks > > |
#10
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I've got a 78 w/ L82 and the RPM sounds right; somewhere around 3200 at 60-
65 mph. I get about 12-13 mpg and nothing has ever changed that ... have installed high performance plug wires, used split-fire plugs, K&N air filter, higher voltage coil, etc., nothing. Have gotten up to 15 mpg on long trips though. To make it worse I've got the smaller 13(?) gallon gas tank. "RWDoyle" > wrote in : > I have a 79 with the TH350 tranny. The car is documented to get 12 > MPG. I checked mine today. I'm getting 12.1 MPG. Yes, that's > terrible by today's standards. However, it's normal for our cars. > > If your mileage is much less than 12 MPG you probably have some tuning > to do. However, I'd bet your transmission is fine. > > Ryan > > "Jimmy Vette" > wrote in message > m... >> I have a 1980 coupe with an auto transmission & 350 motor. I was >> wondering what the RPM's should read on the tach when cruising at 60 >> MPH. My car is running at around 3200 which seems a bit high & my gas >> milage is terrible. I was thinking it should drop down to around >> 2200. Could this be a trans problem? >> Thanks > > |
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