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Short or long throw arms?

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Old Nov 27, 2009 | 07:34 PM
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Default Short or long throw arms?

In the picture below I show a representative sample of the arms I have. My transmission is a Muncie 4 speed with a stock shifter. I am looking for insight on what arms to use. I figure the long throw will give me mechanical advantage for shifting. The short ones might be faster to shift. If there is not too mucvh down side I think I prefer the long throw. What else should I be aware of when making up my mind?

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Old Nov 27, 2009 | 08:40 PM
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If you set the slotted holes parallel the arms are angled very differently. I don't know how that is going to affect the gear engagement but it might cause shifting issues.



Rick B.
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Old Nov 27, 2009 | 09:34 PM
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I think that short one is from a Hugo. I would use the long arm but use the low hole.
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Old Nov 27, 2009 | 11:21 PM
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Originally Posted by ...Roger...
I think that short one is from a Hugo. I would use the long arm but use the low hole.


I just crawled under my 71. The long arms are what you should be using with the stock shifter. I agree with Roger, use the holes closer to the slotted holes. Mine are in the holes at the end of the arms but I have that wonderful stock-like long throw shift pattern.

Terry
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Old Nov 28, 2009 | 04:47 AM
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Originally Posted by 72LS1Vette
If you set the slotted holes parallel the arms are angled very differently. I don't know how that is going to affect the gear engagement but it might cause shifting issues.



Rick B.
Thanks for that perceptive observation. I am pretty sure I have enough adjustment on the rods to make up for the difference.
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Old Nov 28, 2009 | 09:36 AM
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I have seen cars where the linkage was worn enough that the shifter made contact with the console in 1st & 3rd gear. Changing to the lower (short throw) holes solved that.

Rick
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Old Dec 2, 2009 | 09:58 PM
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It's done, and it shifts great. Thanks guys!
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