They don't call me "Long Winded Lunker" for nothing!
Greg "Lunker" Hiyer TR4 #314
Albuquerque NM
On Oct 25, 2008, at 8:42 PM, RACER BUD wrote:
> You are Terrific!...You took lots of time to send this long
> email..Good Job
> Racer Bud
> ----- Original Message ----- From: "Greg "Lunker" Hilyer"
> <lunkercars@earthlink.net>
> To: "Friends of Triumph" <fot@autox.team.net>
> Sent: Saturday, October 25, 2008 7:17 PM
> Subject: [Fot] Good vibrations, bad vibrations
>
>
>> Hello all,
>> I queried the list awhile back on my high speed vibration
>> experienced at The Glen and again [after having the drive-shaft
>> straightened] at Brainard. With lots of great ideas from the
>> list, I now know that my brake drums are in reasonable balance,
>> diff is OK, axles are true and now also know more about drive-
>> shafts.
>> My theory is that the shop in Indy checked the shaft with a dial
>> indicator. They found it .030" out of true, straightened it, and
>> did some crude form of balance check and pronounced it "good to
>> go". Didn't solve the problem. My local and trusted axle/drive-
>> shaft shop put it on their [relatively] high-tech CNC machine and
>> every red light on the thing came on! The slip yoke was the
>> culprit. Although the slop was almost undetectable, it was just
>> the grease in the splines making things seem tight. When I left
>> their shop I was thinking of where to get another drive-shaft.
>> Took me about 3 blocks to realize that I already have a worn-out
>> 45 year old drive-shaft... why would I want another one? Had a
>> new one made with Spicer components and it should be good for
>> another 45+ years.
>> The moral of the story is that we are [most] all driving around
>> with 40+/- year old drive-shafts. This is not likely a problem
>> experienced "back in the day"... they simply hadn't gone enough
>> miles. Any who have the mystery vibrations might want to have a
>> look.
>> After 6 races in the last 7 weekends, this weekend feels a bit
>> 'blah' rolling over to 6 of 8. Watkins Glen had been on the books
>> since last year and curtailed my out of town racing for the
>> season. Brainard MN was kind of on the way home. I got Tony's
>> message when I had made it more than 1/2 way home and made a U-
>> turn in Wichita KS for Elkhart Lake to run the Road America
>> Vintage Enduro [hey Tony, did I remember to say THANKS]?. Home
>> again for a day before I got the itch and loaded up a BMW 2002
>> for the Pueblo [Colo] Enduro. After a couple recovery days I was
>> a bit down with the idea of not keeping the streak going. That
>> Thursday was my birthday and I remembered that the racing streak
>> wasn't over. Sunday was our monthly Karting league and after
>> missing a few races I still had a chance to regain 3rd in our
>> season points race - and did. The next weekend was actually a
>> much needed off. Last weekend was up to Pikes Peak International
>> with "The Brick" [IT spec 2002]. Hope to bring the average back
>> up to 8 of 9 next weekend by running 2 races/2tracks in one
>> weekend [TR + kart].
>> Broke, tired, broke, happy and did I mention BROKE?? But having
>> more fun than I thought was legal these days.
>> Greg "Lunker" Hilyer
>> TR4 #314
>> Albuquerque NM
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