915 Transmission question
#76
Team Owner
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im curious about your synchros,,, when i did my1/2 synchros i replaced the synchros, brake bands and stop blocks for 1/2 . car has been fine. I was told i should replace the dog teeth too when doing this but they seemed fine.. what did you do ?
also did you go with swepco or kendal ?
Thanks
also did you go with swepco or kendal ?
Thanks
#77
Rennlist Member
Thread Starter
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im curious about your synchros,,, when i did my1/2 synchros i replaced the synchros, brake bands and stop blocks for 1/2 . car has been fine. I was told i should replace the dog teeth too when doing this but they seemed fine.. what did you do ?
also did you go with swepco or kendal ?
Thanks
also did you go with swepco or kendal ?
Thanks
Swepco.
#78
Drifting
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Nice work - small things like new bushings in the pedal assembly make for a huge improvement in the feel of each pedal. Interesting find with the pin.
Once the bushings have all been addressed in a 915, they shift very well - a lot of misconceptions with these gearboxes. Once these things have been sorted out, the stock or factory short shift levers are more than adequate for a nice, smooth shifting experience.
I know a transmission rebuild is in my future at some point - hopefully I can get by for a bit. I get very occasional slight grinding in 1st, but if I do not rush into first immediately following pressing the clutch it does not happen (let the syncros catch up). What is concerning is the 'rattling' type of noise i hear while in neutral and clutch out ---- hmmmm.
Once the bushings have all been addressed in a 915, they shift very well - a lot of misconceptions with these gearboxes. Once these things have been sorted out, the stock or factory short shift levers are more than adequate for a nice, smooth shifting experience.
I know a transmission rebuild is in my future at some point - hopefully I can get by for a bit. I get very occasional slight grinding in 1st, but if I do not rush into first immediately following pressing the clutch it does not happen (let the syncros catch up). What is concerning is the 'rattling' type of noise i hear while in neutral and clutch out ---- hmmmm.
#79
Rennlist Member
Thread Starter
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Nice work - small things like new bushings in the pedal assembly make for a huge improvement in the feel of each pedal. Interesting find with the pin.
Once the bushings have all been addressed in a 915, they shift very well - a lot of misconceptions with these gearboxes. Once these things have been sorted out, the stock or factory short shift levers are more than adequate for a nice, smooth shifting experience.
I know a transmission rebuild is in my future at some point - hopefully I can get by for a bit. I get very occasional slight grinding in 1st, but if I do not rush into first immediately following pressing the clutch it does not happen (let the syncros catch up). What is concerning is the 'rattling' type of noise i hear while in neutral and clutch out ---- hmmmm.
Once the bushings have all been addressed in a 915, they shift very well - a lot of misconceptions with these gearboxes. Once these things have been sorted out, the stock or factory short shift levers are more than adequate for a nice, smooth shifting experience.
I know a transmission rebuild is in my future at some point - hopefully I can get by for a bit. I get very occasional slight grinding in 1st, but if I do not rush into first immediately following pressing the clutch it does not happen (let the syncros catch up). What is concerning is the 'rattling' type of noise i hear while in neutral and clutch out ---- hmmmm.
The short shifter does not exhibit as much side pressure, and once I got the shift linkage just right, no noise.
Just a suggestion.
#81
#82
Rennlist Member
Thread Starter
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I guess I would say:
Might just be in my head, but but the Wevo is partially hiding what my 915 naturally feels like, and factory shifter feels like it's matched to it.
- the transmission builder believes the Wevo causes unnecessary wear, and IIRC he said it was putting side pressure on the shift forks that you don't want. Makes sense to me when you see how the gears are engaged inside the tranny.
- The Wevo feels more like a modern shifter, i.e., no slop or looseness, in neutral or any gear, but the shift rod, when not attached to the shift mechanism (coupler, shifter) has a easy, natural amount of play in it in neutral. The factory shifter allows you to feel the play, so to me it feels more compatible to what I (now) know is going on in the transmission when you shift. For example, when you come out of 1st into N, Wevo pushes the shifter to the 3/4 position naturally and you have to fight it to go into 2nd to some extent. Factory ss does not have that preload (except when coming out of 5th, the spring ensures R lockout works and you head to 3/4 plane). Also getting into R in the Wevo always felt like more effort than it should have been -- unlike the ss.
Might just be in my head, but but the Wevo is partially hiding what my 915 naturally feels like, and factory shifter feels like it's matched to it.
Last edited by TheTorch; 06-04-2021 at 08:20 PM. Reason: typo
#83
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Thanks. There are lots of gaga Wevo and other shifter reviews but they almost invariable compare the new unit with an old worn-out shifter. (Nothing against Hayden for his design tho)
#84
Rennlist Member
Thread Starter
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The Wevo is almost a work of art, super high quality.