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> WCR AX In-Car video from my run ...
SirAndy
post May 22 2016, 09:48 PM
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Here's in-car video from my fastest afternoon run. Unfortunately, the camera is mounted a bit too low, i need to get an extension for the roll-bar mount to get it up higher.

The 1st lap was a 53.1 with the tires still somewhat cold and not gripping as well, the 2nd lap was a 51.2. I'm running on 10" GoodYear R250 slicks.
(IMG:style_emoticons/default/driving.gif)



https://www.youtube.com/watch?v=ZsOUzMKooVI


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Andyrew
post May 22 2016, 10:22 PM
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Great Vid Andy!!


I'll put mine here when it uploads. Maybe we'll keep them all in one spot like the images? (IMG:style_emoticons/default/smile.gif)
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Bossman
post May 22 2016, 10:24 PM
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(IMG:style_emoticons/default/smilie_pokal.gif)
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wes
post May 23 2016, 12:33 AM
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Excellent video thanks for sharing!
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1stworks
post May 23 2016, 07:12 AM
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Nice,thanks for sharing.
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EdwardBlume
post May 23 2016, 07:33 AM
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Pretty cool. No chirping. Nice run.
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76-914
post May 23 2016, 07:35 AM
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Cool. Not much shifting, was there? Did I hear something rubbing?
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914werke
post May 23 2016, 07:37 AM
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was it that one or the last that the battery jumped the tray?
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JRust
post May 23 2016, 09:16 AM
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Sweet Run Andy! You are one fast man. Great view really. I need to add a camera like that. Really changes your perspective. Interesting to see yourself as you are driving the coarse (IMG:style_emoticons/default/driving.gif)
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6freak
post May 23 2016, 09:22 AM
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COOL (IMG:style_emoticons/default/smile.gif)
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dlkawashima
post May 23 2016, 10:44 AM
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(IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/aktion035.gif)
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SirAndy
post May 23 2016, 11:12 AM
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QUOTE(76-914 @ May 23 2016, 06:35 AM) *
Did I hear something rubbing?


QUOTE(rdauenhauer @ May 23 2016, 06:37 AM) *
was it that one or the last that the battery jumped the tray?


Yes, if you listen closely you can hear a loud "thumb" right before i get on the main straight for the first time.

That was my battery coming lose and laying on top of the engine for the rest of the run.
(IMG:style_emoticons/default/wacko.gif)
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green914
post May 23 2016, 12:24 PM
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cool! (IMG:style_emoticons/default/smilie_pokal.gif)
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76-914
post May 23 2016, 12:26 PM
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QUOTE(SirAndy @ May 23 2016, 10:12 AM) *

QUOTE(76-914 @ May 23 2016, 06:35 AM) *
Did I hear something rubbing?


QUOTE(rdauenhauer @ May 23 2016, 06:37 AM) *
was it that one or the last that the battery jumped the tray?


Yes, if you listen closely you can hear a loud "thumb" right before i get on the main straight for the first time.

That was my battery coming lose and laying on top of the engine for the rest of the run.
(IMG:style_emoticons/default/wacko.gif)

Crap! OK, now tell us why it came loose so we can avoid a similar situation. Also, was there any collateral damage?
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SirAndy
post May 23 2016, 12:40 PM
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QUOTE(76-914 @ May 23 2016, 11:26 AM) *
Crap! OK, now tell us why it came loose so we can avoid a similar situation. Also, was there any collateral damage?

No damage. I have a redtop optima and i've been using their plastic holddown for years. It felt tight before the run and i did pass tech inspection (the guy did check the battery and it didn't move).

It looks like that the mounting hole for the holddown is about 2mm off and the rounded edge doesn't sit flush against the battery.
So all that is preventing it from moving is the clamping force between the front of the holddown and the battery base which apparently wasn't enough.
(IMG:style_emoticons/default/idea.gif)

Once the battery moves even just 2mm, it'll slide out of the back channel and is free to go wherever it wants to go.
(IMG:style_emoticons/default/unsure.gif)
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Andyrew
post May 23 2016, 02:07 PM
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QUOTE(SirAndy @ May 23 2016, 11:40 AM) *

QUOTE(76-914 @ May 23 2016, 11:26 AM) *
Crap! OK, now tell us why it came loose so we can avoid a similar situation. Also, was there any collateral damage?

No damage. I have a redtop optima and i've been using their plastic holddown for years. It felt tight before the run and i did pass tech inspection (the guy did check the battery and it didn't move).

It looks like that the mounting hole for the holddown is about 2mm off and the rounded edge doesn't sit flush against the battery.
So all that is preventing it from moving is the clamping force between the front of the holddown and the battery base which apparently wasn't enough.
(IMG:style_emoticons/default/idea.gif)

Once the battery moves even just 2mm, it'll slide out of the back channel and is free to go wherever it wants to go.
(IMG:style_emoticons/default/unsure.gif)



You know, I have actually had that happen now that you mention it. I put a piece of metal in front of the plastic hold down and held it in under the bolt to prevent the hold down from sliding. I think I used a small piece of wood in the beginning.
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r_towle
post May 23 2016, 02:14 PM
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Every time you do that you must really smile knowing you did the right thing going to a 3.6 liter.
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Justinp71
post May 23 2016, 02:55 PM
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Damn your car is fast off the line. Looks like an awesome venue...
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Dave_Darling
post May 23 2016, 03:12 PM
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QUOTE(SirAndy @ May 23 2016, 11:40 AM) *

Once the battery moves even just 2mm, it'll slide out of the back channel and is free to go wherever it wants to go.
(IMG:style_emoticons/default/unsure.gif)


That's why I asked McMark to set up a hold-down across the top of the battery for me. I had made one myself, but it was a POS and a major pain to install/remove.

--DD
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6freak
post May 23 2016, 03:32 PM
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QUOTE(SirAndy @ May 22 2016, 08:48 PM) *

Here's in-car video from my fastest afternoon run. Unfortunately, the camera is mounted a bit too low, i need to get an extension for the roll-bar mount to get it up higher.

The 1st lap was a 53.1 with the tires still somewhat cold and not gripping as well, the 2nd lap was a 51.2. I'm running on 10" GoodYear R250 slicks.
(IMG:style_emoticons/default/driving.gif)



https://www.youtube.com/watch?v=ZsOUzMKooVI


thats it! im flaring my car and going with 12 inch race tires... (IMG:style_emoticons/default/av-943.gif) you wont beat me then...nice drive n bud
MikeC
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