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1993 gmc jimmy just put in new 4.3 has no hp. wont go fast

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Old 03-15-2017, 04:09 PM
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Default 1993 gmc jimmy just put in new 4.3 has no hp. wont go fast

I just put in a new motor and it has no hp. When I pit the pedal to the floor its super slow.
 
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Old 03-16-2017, 05:04 PM
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That sucks..... Wanna give us more detail?
 
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