Shift Rod Coil Pin Hole ? |
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Shift Rod Coil Pin Hole ? |
cary |
Feb 4 2018, 09:16 AM
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#1
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Advanced Member Group: Members Posts: 3,900 Joined: 26-January 04 From: Sherwood Oregon Member No.: 1,608 Region Association: Pacific Northwest |
Good Morning,
Yesterday was supposed to be the day Mike drives off in his freshen up 72 daily driver. Didn't quit go as planned ................ I finished the shift rod install before lunch. Then he and his right hand man, O'Ryan went about installing the hoods. Then it was time to dial in the shift linkage adjustment. Set about using what I call the Chris Neutral adjustment. Has work flawlessly for a long time. Not This Time. Looks like Chris might have been converted to the 4th gear club. After more time I want to admit (or charge for) we couldn't get it to completely shift into the 1-3-5 plane. Pulling my hair out ............... this isn't supposed to be that tough. Long story short. Finally determine its not the linkage adjustment. I have a nice and tidy neutral. Can feel all gears. Just won't stay in lower plane. So we finally pull off the shift cover. Remove the shift rod. Then go about shifting the gear box by hand. Still no lower/back plane. Gear box is toast. (IMG:style_emoticons/default/ar15.gif) (IMG:style_emoticons/default/ar15.gif) (IMG:style_emoticons/default/ar15.gif) Mike is amendment it worked great when he drove it in San Diego and when he drove it up here years ago. (IMG:style_emoticons/default/idea.gif) (IMG:style_emoticons/default/idea.gif) So I grab the ball pin and watch it turn. Guess what. The ball pin is turning and not the shift rod. That don't look right. So I go over and check other gear boxes standing in the corner. No Play. Hmmmmmmmmmmmmm. I did have a coil pin, not just a roll pin. Shifted great last time I drove it : New Data Points
Pin was tight drifting it out. But only in the ball pin I assume. The hole seems to be wallered up and down. Can it be fixed ? New 6 * 31 coil pin ? Can I enlarge both holes to accommodate a 1/4 * 1 1/4 coil pin ? Brain Trust : Whats been done before ? |
ChrisFoley |
Feb 4 2018, 10:39 AM
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#2
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I am Tangerine Racing Group: Members Posts: 7,958 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None |
Part 14 at the top of the shaft is a critical component, also subject to wear that exacerbates sloppy shifting. New ones from Porsche are pricey.
The shape of the "comb" is important to smooth transition from one gear to another. |
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