Quote:
Originally Posted by accwai
Blip throttle with clutch pedal pressed or not? If the transmission has a little synchro glitch, revmatching wouldn't do anything. One needs to double clutch to get rid of the glitch.
As for the light blipping, we're talking 6th to 5th at 70mph here. Off the top of my head, engine rpm would be >3000 before the shift and >4000rpm after. Light to me means something around 2000rpm. That won't be enough to revmatch properly. It's suggested early in this thread to go to 4th instead, since OP said only 5th gear got the glitch. Engine rpm needs to be >5000 after a shift like that. It's hard to believe going from 6th to 5th at 70mph has a synchro glitch and going to 4th doesn't. I would double clutch if it's my car.
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I mean, you're not wrong. But, like I said to the OP, I think you're looking for a solution to a problem that doesn't really exist. Yes, double clutching to do the synchros' job for them would indeed alleviate shifting problems caused by bad synchros. But a notchy shift because the OP is trying to force the shifter into place rather than letting the shifter slip into gear normally is not a case of bad synchros.
As for the thottle blip, again youre right that blipping the throttle doesnt really have any effect on the act of shifting itself. The trans is not linked to the engine at that point, so blipping the throttle doesn't do anything to help the trans get into gear. But, a light throttle blip when downshifting is still proper shifting technique. I was just trying to give the OP advice that would help him shift smoothly.