Ok, back again. It only took 7 days for the USPS 3 day service. A little background on this car. I bought it restored, except for the engine and trans not in the car. I have not owned a 4 speed V code Ebody before, so don't have the practical experience to draw from.
Larry, if you have a measurement of your NOS one, especially the throw, as I explain how I measured it below, it would be much appreciated. Thanks.
The car came with a cable that measures a little under 22 in total length and about 15.5 from the stud hole to the firewall, square plug. The throw, if measured from the firewall to the ball on the wire that goes through the pedal bar, is 6 inches. The black jacket area including the metal sleeve that you clamp down on, is about 13 inches.
The net result with this cable is that you can only open the throttle about 1/3 rd the way if that.
A very knowledgeable friend lent me a cable that is about 26.5 inches total,
with a throw that is about 5 inches....which works!......That's because (based on his suggestion), you can twist the black jacketed area into a spiral and clamp it down, which shortens the overall cable length and allows you to mount it forward more.
That and the throw is 1 inch shorter.
I bought a cable for a 71 Ebody 440-6 application from Brewers. It is 23 in total length. It also has a throw measuring 6 inches. I have not installed it because it is pretty much identical to the one I already have, with the exact same throw. And mocking it in place, it is the same issue as the one I already have.
Both of these shorter cables have a shorter black jacketed sleeve length and you cannot twist them into a spiral to shorten the overall length...they are just too short to twist and hold in place that way by themselves. However, shortening a cable by twisting it, does not seem like a good long term solution anyway.
I can see why there needs to be a small amount of slack between the firewall and the throttle clamp to allow for movement of the engine. But either a combination of the black jacketed area being too long and the throw too short is the issue.
My conclusion so far...and I'm an idiot on this stuff...is that the throw is too long. So I'm back to finding a correct throttle cable. Maybe I'm missing something so easy as to being pathetic on my part and I'm open to ridicule as long as there is an easy solution.
I've attached pictures to show what I'm saying.
16.5
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