trottle body?
<strong> what is the stock size of the trottle body hole?
kinda messed it up any help would be nice. car wants to idle at 1100rpms sould be around 800 to 900. rpms </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">If you mean the air bleed hole in the throttle plate, it's 4 mm (.157 inches) on a stock LS1. 5/32 (.156) is closest inch size.

