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Old Oct 2, 2014 | 03:07 PM
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Drives me nuts when I see an area where it looks like something should be there. Anybody know what these 2 threaded holes are for?
P.S. I have looked at 100's of pictures, but just can't get one where I can zoom in enough to see....
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Old Oct 2, 2014 | 03:32 PM
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Mine looks the same. Nothing there.
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Old Oct 2, 2014 | 03:44 PM
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That's the mounting bracket for the optional Johnson rod.
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Old Oct 2, 2014 | 03:47 PM
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Originally Posted by JR-01
That's the mounting bracket for the optional Johnson rod.
What is that? Search for "Corvette Johnson rod" didn't come up with anything.

Last edited by Corvette_Ed; Oct 2, 2014 at 03:56 PM.
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Old Oct 2, 2014 | 03:47 PM
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Mounting location for throttle cable actuator, although the Johnson rod option is intriguing.



Last edited by LoneStarFRC; Oct 2, 2014 at 04:21 PM. Reason: add photo
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Old Oct 2, 2014 | 03:49 PM
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Optional "Flux capacitor"!


Really I have no clue. Mine has it also. Could have been a originally designed mounting point for something in development stage and was omitted or re designed in production cars. This happens a lot because the parts have to be manufactured long before the vehicle goes on sale but the development never stops, even after first cars are sold.
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Old Oct 2, 2014 | 04:04 PM
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Originally Posted by zagger
Optional "Flux capacitor"!


Really I have no clue. Mine has it also. Could have been a originally designed mounting point for something in development stage and was omitted or re designed in production cars. This happens a lot because the parts have to be manufactured long before the vehicle goes on sale but the development never stops, even after first cars are sold.
See post #5.
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Old Oct 2, 2014 | 04:47 PM
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Post #5 makes sense. I'll make a small router cut aluminum plate to stick there; a "Johnson Plate" perhaps some might say.
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Old Oct 2, 2014 | 05:02 PM
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Originally Posted by JR-01
That's the mounting bracket for the optional Johnson rod.
The black mambas are better.
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Old Oct 2, 2014 | 05:06 PM
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Originally Posted by grantv
Post #5 makes sense. I'll make a small router cut aluminum plate to stick there; a "Johnson Plate" perhaps some might say.
Put some sort of initials like "JR" (for Johnson Rod) and add a few cryptic looking numbers or symbols. Pretty soon EVERYBODY will want one.
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Old Oct 2, 2014 | 05:15 PM
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Originally Posted by LoneStarFRC
Put some sort of initials like "JR" (for Johnson Rod) and add a few cryptic looking numbers or symbols. Pretty soon EVERYBODY will want one.
Absolutely!
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Old Oct 2, 2014 | 05:16 PM
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Mine has them also...I do like the idea of Johnson Plate.
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Old Oct 2, 2014 | 06:07 PM
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Your Johnson Rods only require 2 holes? I'm looking at mine and I see I would need at least 4
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Old Oct 2, 2014 | 07:30 PM
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I asked a cousin of mine who's an engineer at GM and he said those are definitely the mounting holes for the Flux Capacitor. An invention conceived by Dr. Emmett L. Brown on November 5, 1955 which makes time travel possible when you reach 88mph.

The Johnson rod is altogether different and only needs one mounting hole located in the front.

Last edited by stu12dozen; Oct 2, 2014 at 07:36 PM.
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Old Oct 2, 2014 | 08:31 PM
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Originally Posted by grantv
Post #5 makes sense. I'll make a small router cut aluminum plate to stick there; a "Johnson Plate" perhaps some might say.
engrave it with "42" it is the answer
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Old Oct 2, 2014 | 08:58 PM
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Originally Posted by LoneStarFRC
Mounting location for throttle cable actuator
Have seen that area on my car, but never gave it much thought. Good to know what it is designed for.
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Old Oct 3, 2014 | 10:44 AM
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I always keep my Johnson with me. I would never mount it anywhere.
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Old Oct 3, 2014 | 12:22 PM
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Originally Posted by LoneStarFRC
Mounting location for throttle cable actuator, although the Johnson rod option is intriguing.


Sorry I am confused as usual. Why do most of us not have this part but you do? Are we missing something we should have or was this an unimplemented feature or....???
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Old Oct 3, 2014 | 01:18 PM
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Originally Posted by Tru Blu
Sorry I am confused as usual. Why do most of us not have this part but you do? Are we missing something we should have or was this an unimplemented feature or....???
Ok after thinking about it I think this picture must be an LS1 engine but not from a Corvette as Corvettes are drive by wire
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Old Oct 3, 2014 | 08:13 PM
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Originally Posted by Tru Blu
Ok after thinking about it I think this picture must be an LS1 engine but not from a Corvette as Corvettes are drive by wire
Bingo!
Since 1998, LS engines are NOT the exclusive purview of Corvettes.
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