3 to 5 degress down .When u set the engine in put a level on the top of the intake manifold , carb removed!Close to level is better for a carburated engines base line installation It should be close to 0 degress. The truck should be assembled as much as possable all weight on it so these numbers dont change much.There can be a lot of factors leaf springs coils what vehicle is built to do drive ,race ect.

Last edited by webstershotrods; 08/12/2010 1:17 PM.

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