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Is there a verdict on how much HP SAC00s can reliably handle? And likewise for SAC45s? Also if one were to install SAC45s, what would be the minimum tune one should run?
 

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Have SAC40's installed - 30K miles - only issue is the tuning cannot get rid of excess smoke under power. We recognized the likely need for more air with the larger injector but were told that it could be tuned out. So far not the case.
 
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