[TR] FW: TR3 gearbox
James Henningsen
trguy75 at gmail.com
Thu Oct 26 06:40:25 MDT 2023
A Type OD in a tr6 box will absolutely bolt right into TR3, 3A, 4, or 4a. Best upgrade. My original TR3A tranny is nice but doesn’t shift as well as tr6 and not as beefy when it comes to parts and design. If I had to replace I’d do the 6 tranny with a type. Jim Henningsen
> On Oct 25, 2023, at 9:39 PM, dave northrup <dave at ranteer.com> wrote:
>
>
> Correct me if I’m wrong, but I don’t think you can. If I’m wrong, that’s totally the right answer!!!
>
> Anyone know the answer to this???
>
> From: auprichard uprichard.net <auprichard at uprichard.net>
> Sent: Wednesday, October 25, 2023 4:44 PM
> To: dave northrup <dave at ranteer.com>
> Cc: triumphs at autox.team.net
> Subject: RE: TR3 gearbox
>
> Why don’t you put the overdrive from the TR3 gearbox on the TR6 gearbox ?
>
> The TR6 gearbox is a better overall unit, so if it were me, I’d opt for it in a car with the upgrades you list.
>
> I have 5 TRs and all of them have TR6 gearboxes with A-types.
>
> Andrew Uprichard
>
> From: Triumphs <triumphs-bounces at autox.team.net> On Behalf Of dave northrup
> Sent: Wednesday, October 25, 2023 4:37 PM
> To: Triumphs <triumphs at autox.team.net>
> Subject: [TR] TR3 gearbox
>
> I recently acquired a car with a TR3 overdrive that probably needs to be rebuilt. I was wondering – is the non synchro first gear really an issue?
>
> The car has a TR4 engine anyway and I have a nice TR6 tranny (non overdrive). We do not care about originality; rather we are going for performance with a mild cam, 89 mm pistons, lightened flywheel, etc
>
> Am trying to decide if I should sell the TR3 tran to fund the upgrade on the TR6 tran
>
> both the engine and tran were out of the car; its going to need some work anyway
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>
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