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Re: [Fot] Endurance TR6 at COTA

To: Greg Blake <gblake58tr3@icloud.com>
Subject: Re: [Fot] Endurance TR6 at COTA
From: Bob Kramer <rkramer3@austin.rr.com>
Date: Sun, 7 Aug 2016 22:09:29 -0500
Cc: Fot <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <1ED968A7-AFD9-40E9-96E2-45B71FE394D1@icloud.com> <BB867FBB-00AD-4233-9484-49549C8AB7AA@icloud.com>
To correct the obvious; We were running close to 3 minute laps without pushing. 

We will have a j-type overdrive next time out, and a diff cooler. 

I hesitate to mention this but the diff we were running, a 3.7 welded version, 
came on the TR6 I bought from Sam. Who knows how many races it has under its 
belt. It might have come with the car from Mark Gerdes for all I know. It could 
have just been its time to go. We should carry a spare to the track, but had we 
I doubt we would have swapped it with two hours to go. Maybe to take the 
checker, but not much else.



Sent from my iPhone

> On Aug 7, 2016, at 8:52 AM, Greg Blake <gblake58tr3@icloud.com> wrote:
> 
> 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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