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[Datsun 1200 encyclopedia]

Tunnel

Revision as of 03:15, 1 February 2012; view current revision
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Categories: Body | Transmission | Automatic Transmission

Datsun 1200 originally fitted with automatic transmission has a much larger tunnel. It makes it easier to swap in 5-speeds or larger engines.

Contents

Overview

manual transmission

  • 67300-H1000 ASS'Y-PANEL, dash, lower [manual transmission]
  • 74300-H1010 ASS'Y-FLOOR, front [manual transmission]


automatic transmission

  • 67300-H1021 ASS'Y-PANEL, dash, lower [automatic transmission]
  • 74306-H1020 ASS'Y-PANEL, A/T floor cover, front [automatic transmission]
  • 74300-H1021 ASS'Y-FLOOR, front [automatic transmission]

Manual floor cover (normally not a separate piece) vs auto floor cover
18963.jpg Comparo

Auto Tunnel retrofit - can be welded into manual transmission floor & firewall:
18964.jpg 18965.jpg


Manual Tunnel is very small to fit the small stock transmissions and increase space inside the passenger compartment:
884.jpg 2133.jpg


auto tunnel is very large to fit the 71-series Automatic Transmission, but still fits under the heater box.
8539.jpg

B210/610 Tunnel

Can fit into 1200 under heater: 8527.jpg 10242.jpg


NOTE: All B210 uses the larger size tunnel. However the floor pans differ (where the transmissions mount point are). There were eight different ones used by B210.

Shifter Location

Photo showing where to cut the tunnel to fit a standard "short" L-series or CA-series transmission.
2118.jpg

12055.jpg

Or just move the hole back and weld it back in:
9582.jpg


71-series Modifications

S13 gearbox clearance in manual tunnel
4696.jpg

Rear of tunnel modification:
5064.jpg


Reverse Lamp

To fit a 60-Series Transmission 5-speed, move the mounts 115mm back:
5009.jpg 5008.jpg


56A Modification

to clear that nasty clutch fork im the later type 56A trans
5843.jpg

See Also

Also see: Transmission tunnel Photo Index