Just a bit of info on our Salt Flats run, that 128.2 MPH was an average
speed over the timed section of 1/4 mile. and also the Salt is at 4000 feet
altitude.
----- Original Message -----
From: "Jack W. Drews" <vinttr4@geneseo.net>
To: <amcewen2@cogeco.ca>; <triumphs@autox.team.net>; <fot@autox.team.net>
Sent: Tuesday, December 11, 2007 7:18 AM
Subject: Re: [Fot] [TR] TR3A top speed & horn sound
> Q:
>
> At 08:19 AM 12/11/2007, amcewen2@cogeco.ca wrote:
> Just curious, does anybody know what the period road tests recorded
> for the top speed of the TR3? I remember reading
> the early Top speed model did a high speed run to 125mph but I'm
> assuming that was with wheel spats and no windscreen etc.. I'm
> curious about the standard car.
>
> Also does anybody have a recording of the horn? (mp3 or wav format).
>
> Thanks,
>
> Art.
>
> A.
>
> According to Road and Track of the era, stats went like this:
>
> TR2,1954
>
> Top speed 95.9 no overdrive
> 103.8 in OD
>
> TR3 - 1956- one more ft lb torque
> R & T recorded top end at 105
> Factory said 108
> 0-60 12 sec
>
> TR4 was leaps and bounds better (haha)
> factory said top end 110
> 0 - 60 10.5
>
> By comparison, R & T reports on the Kastner TR4A at Bonneville
> 140 hp on the engine dyno
> Timed runs on the salt flats were 128.2 with Webers and 127 with
> SU's. The team felt that they could have gotten 135 mph with better
> salt conditions.
>
> It's amusing to me that the technical problems encountered were
> flywheel bolts shearing off and oil pump drive failure -- both of
> these problems are still common on vintage race cars if you don't use
> ARP bolts to hold on the flywheel and if you don't radius the ears on
> the oil pump. These problems almost never occur on street cars.
>
>
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