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 Post subject: Datsun 120y gearbox
PostPosted: Tue Dec 17, 2019 3:45 pm 
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Joined: Tue Dec 17, 2019 3:40 pm
Posts: 2
Hi All,
First post.
I have a 76 datsun 120y. Gearbox was stuffed, so found another one and installed it. All works well, except the reverse gear is extremely close to 4th gear. How can I adjust the revers away from 4th. Your help would be appreciated


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 Post subject: Re: Datsun 120y gearbox
PostPosted: Tue Dec 17, 2019 6:22 pm 
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Joined: Wed Dec 05, 2007 2:21 pm
Posts: 3241
Location: Zermatt, Switzerland.
What do you mean by extremely close? As in the gear lever position in reverse gear is very close to the gear lever position in fourth gear?

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green200b - aka Alistair

The fleet:
'80 200B GX - the green200b - hibernating indefinitiely
'81 RX-7 - 12A extend port, 4.375 LSD - daily (currently hibernating)
'74 RX-2 - 13B bridgeport, 4.444 LSD - cruiser (also hibernating)
Dato200B wrote:
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 Post subject: Re: Datsun 120y gearbox
PostPosted: Wed Dec 18, 2019 3:18 pm 
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Joined: Tue Dec 17, 2019 3:40 pm
Posts: 2
Hi,
first four gears are as I remember, reverse gear as you try to shift into reverse is right next to 4th. If you are stationary and try put the car into reverse, normally you pull the gear lever toward your leg, then pull back. If I do this, there is no drive. I have to feel for reverse. Its like there is an empty space where reverse should be.
If I drive, when I try for 4th gear, I have to act carefully or I will find reverse at 40kmh.


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 Post subject: Re: Datsun 120y gearbox
PostPosted: Wed Dec 18, 2019 10:49 pm 
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Joined: Wed Dec 05, 2007 2:21 pm
Posts: 3241
Location: Zermatt, Switzerland.
Is there a lot of free play, or 'slop' in the gear lever? This could be caused by worn gear lever bushes. There is one that sits on the bottom of the gear level and one that slides into the pivot point. If either of these are worn then it will be very easy to select the wrong gear. I don't know what the part numbers would be but I am lead to believe that they are available new through Nissan.

Failing that, I don't think you'll have many options, short of pulling the gearbox apart and trying to re-design it :(

_________________
green200b - aka Alistair

The fleet:
'80 200B GX - the green200b - hibernating indefinitiely
'81 RX-7 - 12A extend port, 4.375 LSD - daily (currently hibernating)
'74 RX-2 - 13B bridgeport, 4.444 LSD - cruiser (also hibernating)
Dato200B wrote:
Green200B has forgotten more about 200Bs than we will ever know.


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