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Registered
Join Date: Dec 1969
Location: Eldersburg, MD
Posts: 52
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Transmission Advice
At Drivers Ed this past weekend I developed major shifting problems. After completing a run session, I could no longer engage first gear or it would barely engage and pop out when letting out the clutch. I checked the normal linkage problems - loose set screws, broken shifter cup, loose bushings and loose clamp bolt on shift bar spline. I found no problems so ran the next run session starting off in 2nd but then could not downshift into third without multiple attempts. I have the original tranny that was in the car when we bought it in 1988 and have about 30 track days plus steet driving on it. My question is -
Should I just find another used gearbox since they are fairly durable. Any way to do any checks on it if I find one? Or should I just spend the bucks and have mine rebuilt. Any leads on where to go - order on the net or have it done locally (mid atlantic region). |
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08-26-2002, 08:20 PM
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canna change law physics
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Check oil level first.
As Ron said, if you open the fill port and oil isn't coming out, it is not full enough. Next would be dog teeth and slider issues. James
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James The pessimist complains about the wind; the optimist expects it to change; the engineer adjusts the sails.- William Arthur Ward (1921-1994) Red-beard for President, 2020 |
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08-26-2002, 08:23 PM
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Registered
Join Date: Dec 1969
Location: Eldersburg, MD
Posts: 52
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Oil level was fine. Using Swepco and flowed like water after run session.
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08-26-2002, 09:20 PM
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Registered
Join Date: Dec 1969
Location: chula vista ca usa
Posts: 5,716
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Check the engine mounts in front and the tranny mounts in the rear since if they tear then engine can move and stay logged in the new position. They are rubber moulded to the attachment bolts/metal and over a couple years of aggressive driving can deteriorate. Good luck.
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08-26-2002, 09:33 PM
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canna change law physics
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On your rebuild question I'd say it depends.
If I were planning on racing my 914, at virtually any level, I think I'd plunk down my hard earned cash and get the tranny rebuilt right. Replace all of the replacable parts (Synchros, dog teeth, sliders, bearings and seals). Parts will run just a bit under $2000. But you end up with a "perfect" transmission. It makes me wonder sometimes when I see someone put $5-10K into an engine rebuild or 6 conversion and then complain about putting $2K into rebuilding the tranny. For me, on the street, I use good used parts (Except bearings!) and I repoint the slider on 1st gear, if it is not in too bad of shape. James
__________________
James The pessimist complains about the wind; the optimist expects it to change; the engineer adjusts the sails.- William Arthur Ward (1921-1994) Red-beard for President, 2020 |
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08-27-2002, 07:17 AM
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Registered
Join Date: Jun 2002
Location: Texas
Posts: 1,404
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James - Have you been driving with a repointed slider? Is it working well? That is a great money saver if it is working out.
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08-27-2002, 07:20 AM
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canna change law physics
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It's been in for 2 weeks and the car is working very well in 1st gear. I need to work out a jig so that I can be more consistent with the points, and to speed it up.
Time.... James
__________________
James The pessimist complains about the wind; the optimist expects it to change; the engineer adjusts the sails.- William Arthur Ward (1921-1994) Red-beard for President, 2020 |
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08-27-2002, 10:43 AM
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1970/1982 Porsche 914-6/911SC 2.7 RS
