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 GM QUAD4 FAQ

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 The history and overview of the General Motors Quad4 engine (wiki)

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Quad4 fastener torque specs (in draft)

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Quad4 head torque sequence diagram (in draft)

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Quad4 camshaft housing cover torque sequence diagram (in draft)

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Quad4 ECU fault Codes.  A list of the 1982 and up GM NON-OBDII ECU fault codes

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 Rebuilding the GM Quad4 Engine (off-site FAQ) Engine Builder Magazine

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 How to read a spark plug (off-site FAQ) Quad4Forums

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 Anatomy of a Spark Plug  (off-site FAQ) Quad4Forums

 

...more coming soon.  Be sure to check back with us at a later date.


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