[Fot] Driveshaft angles on 1970 GT6

[geoff byrne]

When I built my TR6 race car I shot a lazer through a bare block and bare  gear box to the diff flange and adjust diff, gearbox and engine mounts to give best alignment. Makes a big difference to getting power to the ground and  reduced vibration

Geoff Byrne 

TR6 Racer Down Under

 

From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Jason Ostrowski
Sent: Friday, 4 March 2016 1:05 PM
To: damys at charter.net
Cc: fot at autox.team.net
Subject: Re: [Fot] Driveshaft angles on 1970 GT6

 

I don't have a record of what the angles are on hand, but to be clear... are all the components you are using stock?

If so, replace the rubber puck mountings on the front of the diff with polyurethane ones and you are done here. 

None of those angles need to be changed for a racing application; but the bushings should be poly. All of that is fine for a fresh set of u-joints. Spicer (best)  (or Japanese GMB? brand from TSImported Automotive ...fine as well)

These are the last few u joints I have used and have served well. 

 

Jason Ostrowski 

Friendly Ghost Racing

1969 Triumph GT6+ Racecars

 

On Thu, Mar 3, 2016 at 7:44 PM, <damys at charter.net> wrote:

Need a bit of advice regarding driveshaft angles.  The rear transmission flange is tilted downward 6 1/2 degrees.  The diff is tilted downward at 5 1/2 degrees.  The difference is 12 degrees.  Is this too much for a universal joint setup to manage?  We've considered raising the front of the diff, but then the spring will be twisted and we don't know how this will affect the rear suspension. Any help is appreciated.

 

Dave and Alex


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