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[Datsun 1200 encyclopedia]

Automatic transmission conversion

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Categories: Automatic Transmission | Transmission

Revision as of 02:35, 12 August 2015
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-[[Category:Automatic Transmission]]+[[Automatic]]-equipped 1200s had a significantly larger front tunnel area. The rear of the tunnel is the same. For this reason you can easily convert an Auto car to a Manual car. To go to an automatic you may need to modify the tunnel.
-[[Category:Transmission]]+
-Automatic-equipped cars had a significantly larger front tunnel area. The rear of the tunnel is the same. For this reason you can easily convert an Auto car to a Manual car. To go to an automatic you may need to modify the tunnel.+
= Overview = = Overview =
-If you convert your originally automatic 1200 to a manual, you will notice that you have barely any room between the gas and brake pedals and you have to do tip-toe driving to make it work. 
- 
-Replace the auto pedals with its larger brake pedal with the standard setup that has small brake pedal and clutch pedal. 
- 
Here's all the parts you need to gather to fit an Automatic in a car that currently has a manual transmission: Here's all the parts you need to gather to fit an Automatic in a car that currently has a manual transmission:
-[http://datsun1200.com/modules/myalbum/photo.php?lid=14956 http://datsun1200.com/uploads/thumbs/14956.jpg]+<img size=400>http://datsun1200.com/uploads/photos/14956.jpg</img> [http://datsun1200.com/modules/myalbum/photo.php?lid=14956 full]
-# 'Bridge' the start inhibit wires that go to the auto gearbox+<img size=400>http://datsun1200.com/uploads/photos/18963.jpg</img> [http://datsun1200.com/modules/myalbum/photo.php?lid=18963 full]
-# Replace the spacer in pedal box with clutch pedal (requires removal of dash and pedal box)+
-# Knock out the clutch firewall hole blanking plate+
-## In manual cars there are nuts welded from factory on the inside but autos don't. You can either put bolts and nuts thru the holes or weld some+
-# Install clutch cable+
-# Mount: either weld new mounts in or make a new crossmember+
-# Replace gearbox and auto tailshaft with manual versions+
-The speedo cable is the same.+ * [[Tunnel]] from B110 automatic, [[B210]] (any) or [[610]]
 + * Automatic with Torque Converter
 + * Automatic Driveshaft
 + * [[Automatic Shifter]] with linkage and the automatic console
 + * Rear rubber insulator for Automatic
-Gearbox mounts are different, but is the shifter hole in the tunnel is in the same place (the rear portion of the tunnel is the same).+<img size=400>http://datsun1200.com/uploads/photos/13667.jpg</img>
 + 
 += Speedometer Cable =
 +The speedo cable is the same as a manual transmission.
= Shifter = = Shifter =
Line 34: Line 29:
= Rear Engine Mount = = Rear Engine Mount =
The rear engine mount, also called the "transmission crossmember" is mounted about six inches further back. The rear engine mount, also called the "transmission crossmember" is mounted about six inches further back.
 +
 + See [[Gearbox Mount]]
or you could make your own or you could make your own
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=17481 http://datsun1200.com/uploads/thumbs/17481.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17482 http://datsun1200.com/uploads/thumbs/17482.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17483 http://datsun1200.com/uploads/thumbs/17483.jpg] <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=17481 http://datsun1200.com/uploads/thumbs/17481.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17482 http://datsun1200.com/uploads/thumbs/17482.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17483 http://datsun1200.com/uploads/thumbs/17483.jpg]
 +
 +Gearbox mounts are different, but is the shifter hole in the tunnel is in the same place (the rear portion of the tunnel is the same).
= Engine Differences = = Engine Differences =
Line 55: Line 54:
[http://datsun1200.com/modules/myalbum/photo.php?lid=14851 http://datsun1200.com/uploads/thumbs/14851.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14852 http://datsun1200.com/uploads/thumbs/14852.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=21808 http://datsun1200.com/uploads/thumbs/21808.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14851 http://datsun1200.com/uploads/thumbs/14851.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14852 http://datsun1200.com/uploads/thumbs/14852.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=21808 http://datsun1200.com/uploads/thumbs/21808.jpg]
- 
-&#12458;&#12540;&#12488;&#12510; &#12511;&#12483;&#12471;&#12519;&#12531; &#12458;&#12540;&#12488;&#12510;&#12481;&#12483;&#12463; &#12488;&#12521;&#12531;&#12473;&#12511;&#12483;&#12471;&#12519;&#12531; 
= Clutch Fittings = = Clutch Fittings =
Line 63: Line 60:
* Clutch master cylinder (LHD models) * Clutch master cylinder (LHD models)
* Clutch cable (RHD models) * Clutch cable (RHD models)
-These parts can be swapped from a manual car.+ 
 +[[Category:Automatic Transmission]]
 +[[Category:Transmission]]

Revision as of 02:59, 12 August 2015

Automatic-equipped 1200s had a significantly larger front tunnel area. The rear of the tunnel is the same. For this reason you can easily convert an Auto car to a Manual car. To go to an automatic you may need to modify the tunnel.

Contents

Overview

Here's all the parts you need to gather to fit an Automatic in a car that currently has a manual transmission:

full

full

* Tunnel from B110 automatic, B210 (any) or 610
* Automatic with Torque Converter
* Automatic Driveshaft
* Automatic Shifter with linkage and the automatic console
* Rear rubber insulator for Automatic

Speedometer Cable

The speedo cable is the same as a manual transmission.

Shifter

Shifter came with a console.

Driveshaft

The automatic has a larger spline. So use the auto driveshaft with auto transmission. Remember that B110 and B210 Driveshaft is the same. The B210 and B110 driveshafts are the same length. Only automatic vs manual lengths are different.

The spline is the same as what the larger Datsuns used.

Rear Engine Mount

The rear engine mount, also called the "transmission crossmember" is mounted about six inches further back.

See Gearbox Mount

or you could make your own
17481.jpg 17482.jpg 17483.jpg

Gearbox mounts are different, but is the shifter hole in the tunnel is in the same place (the rear portion of the tunnel is the same).

Engine Differences

Carburetor

For emission controls, the carb differed. However you can use any carb with an automatic.

Distributor

Auto cars had a different distributor curve for emission control. However you can use any distributor with an automatic.

Flex Plate

Automatics don't use a flywheel, the torque convertor has enough mass to act as the flywheel. They use a thin "flex plate" with has the ring gear teeth for the starter.

th_5329.jpg flex plate

Also note the crankshaft adapter.

You can use the flywheel off the A14 on the A15. The thing to look at is the back of your A15's crankshaft -- make sure it has the hole for the trans pilot shaft bearing.

14851.jpg 14852.jpg 21808.jpg

Clutch Fittings

Automatic cars don't have:

  • Clutch pedal
  • Clutch master cylinder (LHD models)
  • Clutch cable (RHD models)