http://www.racetorations.co.uk/triumphs-c56/tr4a-c8/tr4a-axle-and-differential-c105/racetorations-alloy-finned-differential-cover-p4
Charly Mitchel
----- Original Message -----
From: "Greg Blake" <gblake58tr3@icloud.com>
To: "Fot" <fot@autox.team.net>
Sent: Sunday, August 07, 2016 6:52 AM
Subject: Re: [Fot] Endurance TR6 at COTA
> Just a quick update. We were beaten by equipment at approximately 1:30
> yesterday afternoon. Although certainly disappointed not to take the flag,
> we were all pretty proud of the old girl. She put in a solid 8 hours
> Friday and another 5.5 on Saturday.
>
> We were racing cars from the past two decades with a few exceptions. Out
> of 100+ cars, there was a pair of 60s mustangs, an Opel with a LS motor
> and us. Friday we finished 47th with 114 laps and yesterday 73 with 81
> laps. We were averaging 3:10s around the full F1 course. As a point of
> reference, the leaders were running consistent 2:50s. A certain pair of
> drivers on our team were clipping close to 2 minute laps and both swore
> they weren't pushing too hard, maybe.
>
> We were running with 18 month old 200 tried wear tires that had been flat
> spotted at the last race. This became very noticeable at 100+ down the
> straights. We again limited RPMs to save the motor. With a 3.7 rear end
> and no OD we were full speed about 1/2 into the straights. This is where
> the leaders would pass us.
>
> Some of you recall last summer we raced this car with WRL in the June
> Texas heat and had some issues with lower than desirable oil pressures and
> a diff that boiling its juice.
>
> For the engine side of things: This time around we installed an oil
> cooler and used VR1 full synthetic. Oil pressure at full tilt was 90+ all
> weekend and 40-50 at idle at pit stops. Problem solved. I am very
> impressed with synthetic motor oil. The oil still looks brand new after
> 13+ hours of racing. I know from past endurance races with Dino oil, it
> would be pitch black and stinky at this point.
>
> On the diff side (not so good): after boiling the Dino based lubricant
> last summer, we opted to simply switch to synthetic. This seemed to be
> working on Friday as our diff catch can stayed dry. We had some terrible
> noises coming from the rear end on Friday that we thought were hub
> bearings going out. The hub bearings are still suspect and will require
> attention. But our more serious problem was heat in the diff. The diff
> puked at about 1:30 and our day was done.
>
> Last summer Keith mention his solution was a diff cooler and I think we
> will be heading down that path for the next endurance race. Who knows, we
> may end up with a triumph that can go the distance, eventually.
>
> We were so close this time.
>
> Sent from my iPhone
>
>> On Aug 5, 2016, at 5:53 PM, Greg Blake <gblake58tr3@icloud.com> wrote:
>>
>> We finished the day strong. Only a brief stint in the garage to check
>> some bearings. Other than that, ran all day long in the Texas heat. Right
>> now 47th out 100+
>>
>> Notice the only hood down in the pic?
>>
>>
>>
>> <IMG_0793.JPG>
>>
>>
>>
>> Sent from my iPhone
>> _______________________________________________
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>>
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>>
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>
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