[TR] Experience with Vitesse 5-speed transmission conversion?
spamiam at comcast.net
Thu Jan 2 16:46:04 MST 2020
Hmmm. 3K rpm at 60 MPH is about what my 4th gear is on my non-OD tranny. I would have thought that the Miata 5th gear might have been “direct”, like the TR’s 4th. And 6th would be some sort of overdrive.
Without having 20-30% overdrive then there is no great advantage to the Miata unit!
Sent from my 1837 Babbage Analytical Engine
> On Jan 2, 2020, at 2:40 PM, Bryan Loy <paradisemusicnc at gmail.com> wrote:
> As far as gear ratios go, I can't say, numbers wise, but I have an '04 MX5 with the 6 speed, and it is low. 6th gear at 60mph, the engine is turning 3K. Pretty much 20MPH for every 1K on the tach.
>> On Thu, Jan 2, 2020 at 2:27 PM Anthony Rhodes <spamiam at comcast.net> wrote:
>> It is indeed pricey. But it appears to be a complete new transmission and all the required adapter stuff ready to go. The only way it would be better as a conversion is if it retained the original space cylinder.
>> So for a complete new modern (hopefully long life) overdrive transmission, the price is not terrible.
>> It is likely a better solution than the HVDA because those old Toyota transmissions may well be “used up”,not just “used”. And they are hard to find.
>> For me, I found the right Toyota transmission to be as rare as ... as a friend of mine puts it... as rare as rocking horse manure. He may not actually have used the word “manure”.
>> So I like this Miata option!
>> Does anyone know the gear ratios? The Moss description does not indicate the ratios.
>> Sent from my 1837 Babbage Analytical Engine
>> > On Jan 2, 2020, at 2:02 PM, triumphs-request at autox.team.net wrote:
>> > Message: 1
>> > Date: Wed, 1 Jan 2020 13:54:49 -0600
>> > From: Dean Mericas <dmericas at gmail.com>
>> > To: triumphs at autox.team.net
>> > Subject: [TR] Experience with Vitesse 5-speed transmission conversion?
>> > Message-ID: <3D51629D-3D80-44B6-9EEF-01C3BD216362 at gmail.com>
>> > Content-Type: text/plain; charset=utf-8
>> > I see that Moss now carries an a 5-speed transmission conversion that appears to use Miata internals in a custom case and bell housing. It isn?t cheap, but as an apparent drop in replacement I think the installed cost may be about the same as the Toyota-based HVDA kit.
>> > Does anyone on the list have first hand experience with this particular conversion?
>> > Thanks.
>> > Dean Mericas
>> > 1965 TR4
>> > Austin, TX
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