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Old 05-24-2005, 06:10 PM   #1
crazycory1
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4.3l questions

Does a 1988 4.3l tbi z motor have the same cam as 1993 4.3l z motor?

Are the 4.3l tbi z motors from a 1500 pickup the same as the ones in the s10s?

Thanks, Cory
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Old 05-24-2005, 06:22 PM   #2
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Re: 4.3l questions

Pretty much except on the 1500 it has slightly bigger injectors.
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Old 05-25-2005, 07:20 AM   #3
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So an 1988 s10 z motor is the same as a 1993 s10 z motor? Why do the pickups have larger injectors for the same motor? wouldn't that cause the engine to run rich?
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Old 05-25-2005, 07:53 AM   #4
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Re: 4.3l questions

The injectors are larger and the ecm programming is different (see flow rates).
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