Video testing the truck at Baileyton, AL...

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Video testing the truck at Baileyton, AL...

Post  David Willingham on August 31st 2015, 1:14 pm

This is the 2nd run of the night, only the 3rd run on the truck since it was rebuilt over the last 12 years. 1st pass was a near crash at half-track when it pulled right(or driver had the wheel turned to the right off the line) and almost hit the guardrail. It still ran a 5.88@90, 1.18 60ft letting off at 3.06 seconds into the run. Data showed wheel speed to be 106.6 MPH at 3.06 seconds right when I let off and .56 G's sideways.

On this 2nd run, I remembered to turn on the gopro to video me and see if I was doing something wrong. Truck still wanted to get loose about 3/4 track and I let out again. 5.49@118, 1.21 60ft. I didn't get any data from this run as the log didn't work again. Please ignore the fist pump at the end, lol...I was just happy to not wreck on that pass.

Converter is only stalling to 4800 and I'm shifting at 6500 on this pass and the rpm's fell back to 5100 on the shift. Just trying to ease into a max-effort pass.

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Re: Video testing the truck at Baileyton, AL...

Post  maverick on August 31st 2015, 1:34 pm

Baby steps, David. Baby steps. Don't bend that killer truck. Sounds like your new car blues are trivial stuff compared to some. That thing is gonna rock. Cool

Btw, my GoPro sounds crappy like that when it's mounted to the cage...and I hear noises that I've NEVER heard in a racecar. Mounted outside the car or on the helmet, sound is much better.
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Re: Video testing the truck at Baileyton, AL...

Post  David Willingham on August 31st 2015, 1:47 pm

I have a suction cup mount, but it won't stay put on the black primer. I needed to video me to make sure I wasn't jerking the wheel to the right, lol...
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Re: Video testing the truck at Baileyton, AL...

Post  gmsmkr on August 31st 2015, 2:41 pm

Twisted Evil this thing will be nasty when you get the bugs worked out..... stay with it
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Re: Video testing the truck at Baileyton, AL...

Post  maverick on August 31st 2015, 2:57 pm

David Willingham wrote:I have a suction cup mount, but it won't stay put on the black primer. I needed to video me to make sure I wasn't jerking the wheel to the right, lol...

I did, too. I put the GoPro on my helmet and aimed it down a bit toward the dash. That way it also sees what you see thru the windshield. Sound is perfect, too.

I also learned that I look around too much. Rolling Eyes
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Re: Video testing the truck at Baileyton, AL...

Post  69F100 on August 31st 2015, 7:35 pm

Not bad at all for only the 3rd pass on the truck a 5.49 it will fly when you get the bugs worked out
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Re: Video testing the truck at Baileyton, AL...

Post  cool40 on August 31st 2015, 9:59 pm

It's a start! A good one Cool you may find a tnt track hard to deal with in that ride!
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Re: Video testing the truck at Baileyton, AL...

Post  David Willingham on September 1st 2015, 10:21 am

I hope to try again this weekend. Trying to find things to tweak this week by studying the only data log I got. One the first run, I left against the converter(46-4700) because I forgot to change the launch rpm from 6000 to something lower than the stall speed. On the 2nd run, I changed it to 4000 thinking the 60ft would pickup, but it slowed down. I don't know if it was the track or just slowed down. O2's are showing lean by a whole # and EGT's are showing a cold cylinder, so I'm trying to figure out if I have a bad EGT sensor or something else.
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Re: Video testing the truck at Baileyton, AL...

Post  Moodyblues on September 3rd 2015, 12:39 pm

David Willingham wrote:I hope to try again this weekend. Trying to find things to tweak this week by studying the only data log I got. One the first run, I left against the converter(46-4700) because I forgot to change the launch rpm from 6000 to something lower than the stall speed. On the 2nd run, I changed it to 4000 thinking the 60ft would pickup, but it slowed down. I don't know if it was the track or just slowed down. O2's are showing lean by a whole # and EGT's are showing a cold cylinder, so I'm trying to figure out if I have a bad EGT sensor or something else.


Progress brother progress!
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