Technical Bulletins            

Please Note: Whilst every effort has been made to ensure these Bulletins are free from errors, Automotive Components NZ Ltd can not accept responsibility for any incorrect information. Information may change from time of publication. No part of the information found on this page may be reproduced without the written permission of Automotive Components NZ Ltd.

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ACL Race Series. This PDF file is 9KB in size.
Aluminium Cylinder Heads. This PDF file is 9KB in size.
Compression Ratios. This PDF file is 17KB in size.
Compression Ring Gaps For High Performance Engines. 13KB
Coolants, Ethylene Glycol and Engine Assembly. 11KB
Cylinder Head Shims. This PDF file is 10KB in size.
Detonation; The deadly enemy. This PDF is 22KB in size.
Graded Gasket 2C-3C. This PDF is 22KB in size.
Graded Gasket 2L-3L. This PDF is 23KB in size.
Graded Gasket 4JB1-4JG2. This PDF is 21KB in size.
Graded Gasket 5L. This PDF is 62KB in size.
Graded Gasket CD20-LD20. This PDF file is 21KB in size.
Graded Gasket LD28-RD28. This PDF file is 24KB in size.
Graded Gasket TD23-TD25. This PDF file is 24KB in size.
Graded Gaskets TD27. This PDF file is 15KB in size.
Graded Gaskets. This PDF file is 73KB in size.
Oil seals, the basics. This PDF file is 12KB in size.
Re-ringing & Honing. This PDF file is 8KB in size.
Straightening Aluminium Cylinder Heads. This file is 12KB in size.
Torque To Yield Headbolts. This PDF file is 11KB in size.