C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jun 25, 2009 | 03:18 PM
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On my 69 350/350 4sp, should the throttle plate be straight up and down at WOT?
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Old Jun 25, 2009 | 03:21 PM
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Yes.
The throttle plates, not the air valve on top of the throttle plates. You have to hold the air valve open to check the throttle plates.
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Old Jun 25, 2009 | 03:27 PM
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This is going to develop into the `69 bent bracket syndrome.
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Old Jun 25, 2009 | 03:27 PM
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Thanks, I guess I have some work to do because I am not getting enough motion on the throttle cable to bring the throttle plates staight up.
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Old Jun 25, 2009 | 03:28 PM
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Originally Posted by wombvette
This is going to develop into the `69 bent bracket syndrome.
What's that? The bracket at the carb that hold the cable?

Last edited by benito; Jun 25, 2009 at 04:27 PM.
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Old Jun 25, 2009 | 07:47 PM
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Originally Posted by benito
What's that? The bracket at the carb that hold the cable?
......no, it's usually the one attached to the gas pedal; with use it always bends, taking away full throttle throw at WOT.
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Old Jun 25, 2009 | 10:14 PM
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Thank you.
This looks like another "under the dash working upside down in an area you can't see" job!
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Old Jun 26, 2009 | 12:57 PM
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If I remember, only two bolts have to be removed to get the gas pedal out of the car.
The throttle cable can be removed easily from the pedal so you can work on it at the workbench and eventually bend it a little more if you need
This often happens with thicker carpets too...

Last edited by 73StreetRace; Jun 26, 2009 at 01:03 PM.
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Old Jun 26, 2009 | 01:37 PM
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If your not feeling like pulling it out here is a pic of a way to shorten the cable a little bit which will open the carb more. Just pull the cable a little attach a zip tie and trim it off and release. A bit bubba but you can always remove it when you feel like doing it right.
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Old Jun 26, 2009 | 03:40 PM
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Originally Posted by DWncchs
If your not feeling like pulling it out here is a pic of a way to shorten the cable a little bit which will open the carb more. Just pull the cable a little attach a zip tie and trim it off and release. A bit bubba but you can always remove it when you feel like doing it right.
No, Bubba would have crimped a beer cap from a PBR long neck on there with some vise-grips....
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Old Jun 26, 2009 | 09:31 PM
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thats how we got rid of the dead spot in the 2001-up mustangs was that way. because the cable would pull before actually doing anything the fix was the put a spacer of some sort inline such as a zip tie.
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Old Jun 26, 2009 | 10:50 PM
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The Bubba method works for me! At least for now.
Thanks
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