Hello chaps.... I replaced the 5 speed 01A box in my car when I changed to RS2+ spec engine as the 2nd syncro was bad.
Any gearchange above 4000 rpm resulted in grinding along with down shifting gears into 2nd.
The box I put in believe it or not has a noisey 1st gear when coasting and the clutch is down. So guessing it's worn on the backside of some gears. Also now 2nd gear syncro is noisey.
However both boxes have done over 222,000 miles so I can't be too harsh.
So having never had to open up an 01A box. I thought I would share my findings...
I have found a company online that does super duper syncro's which I intend to use.
http://jhmotorsports.com/shop/catalo...ch-p-1430.html
I am at a point now where I can't seem to withdraw the main shaft. Does anyone have any how to's or technical workshop manual for this?
I have already removed the selector rod, and also noted that it may also be possible to increase the number of plungers in the standard reverse switch, which will then give you an indication of which gear is selected in the box. This could then be linked to your aftermarket ECU to map per gear with no guesswork as to which gear is selected.
Next question, I once heard an old wives tail about being able to give the 5 speed box a 6th gear. Which will allow a top speed of 200mph. Whilst keeping all the standard ratio's in the lower gears. Is this true? Has anyone done it? What's required?
And finally has anyone successfully converted the 5 speed box to sequential? I have thought of using an industrial servo stepper motor like what is used on small CNC machines to do this job.
I think it's linear stepper motor
Any gearchange above 4000 rpm resulted in grinding along with down shifting gears into 2nd.
The box I put in believe it or not has a noisey 1st gear when coasting and the clutch is down. So guessing it's worn on the backside of some gears. Also now 2nd gear syncro is noisey.
However both boxes have done over 222,000 miles so I can't be too harsh.
So having never had to open up an 01A box. I thought I would share my findings...
I have found a company online that does super duper syncro's which I intend to use.
http://jhmotorsports.com/shop/catalo...ch-p-1430.html
I am at a point now where I can't seem to withdraw the main shaft. Does anyone have any how to's or technical workshop manual for this?
I have already removed the selector rod, and also noted that it may also be possible to increase the number of plungers in the standard reverse switch, which will then give you an indication of which gear is selected in the box. This could then be linked to your aftermarket ECU to map per gear with no guesswork as to which gear is selected.
Next question, I once heard an old wives tail about being able to give the 5 speed box a 6th gear. Which will allow a top speed of 200mph. Whilst keeping all the standard ratio's in the lower gears. Is this true? Has anyone done it? What's required?
And finally has anyone successfully converted the 5 speed box to sequential? I have thought of using an industrial servo stepper motor like what is used on small CNC machines to do this job.
I think it's linear stepper motor
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