2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Can the main pulley be installed Incorrectly??

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Old Jul 24, 2011 | 09:16 PM
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Can the main pulley be installed Incorrectly??

I am having some issues with my timing since installing my new motor.. I am second guessing the main pulley as I am having issues timing it.. I thought that the pulley with the 4 bolts could only be installed 1 way but I am thinking that this may not be true... Can anyone clarify?
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Old Jul 24, 2011 | 09:26 PM
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Wait.. ALSO- Just remembered that I am using the pulley off the original s4t2 engine.. Not the pulley off the s5 t2 engine... Would there be a difference in the s5 and s4 timing marks??
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Old Jul 24, 2011 | 09:28 PM
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It can only be installed one way unless the holes have been opened up. Is it the original pulley to the engine?
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Old Jul 24, 2011 | 09:30 PM
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i have always heard to use the pulley from the same motor as each motors timing marks could be different.

it could also be that the s4 pulley with the different locations of the spark plugs for the s5 could be throwing you off.

i hoped any of this information helps
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Old Jul 24, 2011 | 09:38 PM
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Originally Posted by RRTEC
Wait.. ALSO- Just remembered that I am using the pulley off the original s4t2 engine.. Not the pulley off the s5 t2 engine... Would there be a difference in the s5 and s4 timing marks??
Yes put the s5 pulley on.
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Old Jul 24, 2011 | 09:55 PM
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From: Spring Hill TN 37174
Durn.. I don't have the S5 pulley...
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