Tach is at 2500 to 3000 at 55 60 MPH ??
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Acct suspended by request 19 April 2011
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There is no tag to tell me the gears. I think back then the rpm's ran a bit high. I remeber a 69 Firebird being high. I don't think as high as this Vette.
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Le Mans Master
With stock tire height (255/60/15 or 225/70/15) my L-82 4 speed (all stock) and 3.70 gears should turn exactly 2,860 RPM's at 60 mph which it does. At 70 MPH, my car is turning approximately 3,500 RPM. Now you know the reason so many 4 speed owners convert to 5 speeds with the overdrive. It is normal! One of these days I will do the conversion as well. Hope that helps!
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Melting Slicks
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Is it possible...
I recently purchased a 1977. 4 speed manual.
5200 rpm at 65 mph. Tires are 25.7 ".
3500 rpm at 45 mph.
Note: the actual rpm tested with a meter is roughly half of what the gauge shows.
So, what is causing the rpm gauge to read so high?
5200 rpm at 65 mph. Tires are 25.7 ".
3500 rpm at 45 mph.
Note: the actual rpm tested with a meter is roughly half of what the gauge shows.
So, what is causing the rpm gauge to read so high?
Last edited by 81_vette!; 10-13-2010 at 10:14 AM.
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Racer
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Thanks Guys
My mechanic was wondering what kind of gears were in there? I thought it was normal. How ever I thought I would ask. Get some feed back with you that own and drive these cars.
Thanks again
I will look for the code. I have to replace a clip on one of the yokes.
My mechanic was wondering what kind of gears were in there? I thought it was normal. How ever I thought I would ask. Get some feed back with you that own and drive these cars.
Thanks again
I will look for the code. I have to replace a clip on one of the yokes.