[TR] TR3 speed Vs RPM

[Frank Fisher]

thanks Randall
the speedo will have a different number stamped if its a 4.1 ratio.can you guys tell me what that number is please?



      From: "Reihing, Randall S." <Randall.Reihing at utoledo.edu>
 To: davehogye <dlhogye at comcast.net>; "Tetterton, Dean" <tr3a58 at verizon.net> 
Cc: "list, TR" <triumphs at autox.team.net>
 Sent: Saturday, January 28, 2017 3:13 AM
 Subject: Re: [TR] TR3 speed Vs RPM
   
My 1960 TR3 is exactly the same. The 4.10 or 4.11 differential ratio and 15 inch tires gives me a speedometer indication of 65 mph at 3000 rpm. 
Randall S. 
From: Triumphs [triumphs-bounces at autox.team.net] on behalf of davehogye [dlhogye at comcast.net]
Sent: Friday, January 27, 2017 10:02 PM
To: Tetterton, Dean
Cc: list, TR
Subject: Re: [TR] TR3 speed Vs RPM

Frank,I'd say there is a 4.1:1 ring and pinion in the car.  My TR3 has similar revs with the 4.10.
// Dave H.
From: "Dean Tetterton" <tr3a58 at verizon.net>
To: "Frank Fisher" <yellowtr3 at yahoo.com>
Cc: "Triumphs List" <triumphs at autox.team.net>
Sent: Thursday, January 26, 2017 5:33:43 PM
Subject: Re: [TR] TR3 speed Vs RPM

Frank           A TR3 with the stock size tires and 3.7 rear end ratio, 3000 RPM was60 MPH. Unless your gauges have been rebuilt and calibrated, They usuallyread high. The springs in them get weak.
Dean T.


On Jan 26, 2017, at 3:26 PM, Frank Fisher <yellowtr3 at yahoo.com> wrote:
have been unable to drive my car for a couple months now.when i bought my TR3 i did the restoration and put a toyota 5 speed in.so i have no experience to go on. not untill i can drive my TR3 again.
took a friends TR3 for a ride last night.we hit 75mph, but the rev's where at 4500 to 5000 depending on coast or maintain speed. 4th gear, no overdrive.is this about what the rest of you TR3 owners experience?

also it has always been my experience that if one gets wheel wobble between 55 and 60, its wheel balance.slower than 55 is ok, accelerating beyond 60 makes it go away.no?
thanksFrank




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