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[Datsun 1200 encyclopedia]

Headers

From Datsun 1200 Club

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Categories: Exhaust System | Manifold

Extractors, headers whatever you call them are a more efficient "tubular" version of an Exhaust Manifold.

Contents

Overview

Unless you are racing, we recommend -- instead of headers -- the cast-iron 4-into-2-into-1 factory header. It's quieter, never wears out, and fits any 1200 perfectly. See GX Exhaust Manifold.

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  • Some header do not allow the stock intake manifold to fit. You can grind the intake to fit
  • Some head hit the stock block breather pipe. Make a custom pipe
  • Headers for 1200 fit all body styles: ute, wagon, coupe and sedan
  • Headers/extractors fit both ways (A12 fits A14 and vice versa). However because A14, A15 and early A13 are "tall" blocks the header is raised up 15mm. So A12 headers on A14 engine may hit the floor
  • Headers for A-series engines bolt to any A-series engine. Exhaust port bolt pattern is identical for all A-series engines. port shape and size is identical within 1 or 2 mm
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  • Headers for a particular Datsun model may not fit another. For example, Vanette or B310 headers may or may not fit B110 due to the shape of the firewall and floor
  • Like any header they may need some tweaking of the flange, not because of the engine but because of poor manufacturing of the header

For the above reasons, the GX Exhaust Manifold is recommended.

Long-tube 4-into-1 header
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Wrapping

Heat-wrapping can gain a bit of HP if the engine is retuned for it, at the cost of accelerated wear from either moisture rotting the header or from poor welds.

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Suppliers

  • Yourself. If you know how to weld, You can make your one out of some steel tubing and a bit of 10mm plate for the flange
    See: Manifold
    RoundPort_5Piece.jpg

AUSTRALIA

  • Stewart Wilkins
    • Extractors - Datsun 1200/120Y/Sunny 4:2:1 Mandrel Bends $380.00 (August 2016)
  • Hurricane (August 2016)
    • HU075ST for A12, A14, A15
    • HU167ST (interference design) C20 Van
    • HU285STM for Datsun 1200 2-into-1
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Hi-Tech
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Japan

South Yokohama equal length headers
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New Zealand

  • Coby Manufacturing in Hamilton, NZ make 2 sets of different extractors to fit the A series motors
    Euclid Ave, Hamilton Phone: 0-7-849 1765
  • Autopia in Christchurch

USA

Tri-Mil - Long Beach, California
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Bill's Datsun Shoppe: Portland, Oregon
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Nissan Competition

Long Headers

Nissan Competition 99996-H8000 B210/210 competition header 4 into 1 design with 1.375" primaries and 2.5" collector
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Short Headers

Nissan Sports Options Department tubular headers are a direct replacement for the cast iron GX manifold. They are superior to most "shorty" headers in that these are a dual outlet type, and are collected together in the exhaust extension (effectively a long collector).

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113 レース用OPT' エキジースト マニホールド
  14060-H2310 race use OPTION exhaust manifold
114 エキージト チュープ
    exhaust tube
  20711-21001 gasket ガスケット
  20686-H2000 mount bracket マウント ブラケット
  20220-14600 rubber mount ラバー マウント
  20685-H2000 u-bolt clamp Uボルト クランプ
  20400-H2000 rear tube リヤー チャーブ
  20032-C0400 u-bolt Uボツト
  20010-H2000 front tube 50.8mm diameter フロント チューブ

datsun72b110gx5-img600x532-1437643172xek47g20881.jpg

Sports Options Catalog
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20220-14600 rubber mount
* KB10 Booster Kit OPTION dual-outlet muffler
* SP311,SR311 resonator
Thread: M8 x 17mm
Width: 40mm
Hight: 24.5mm
Depth: 25mm
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Shorty Headers

Shorty header is designed to replace cast manifold. Easy packaging comes at the expense of a full length collector. The performance is lacking compare to a typical header.
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Photo Index

Click any picture to see it full size and read details or post a comment.

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