Anyone know the stock throttle body/MAF sizes (ls1/ls6)?
05-20-2008, 01:54 PM
#2
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75MM, i upgraded to a 80mm which comes with a spacer / reducer to fit the stock ls1 / ls6 intake (mines an ls6) but i believe the opening is the same. aftermarket sells 78mm,80mm,85mm, 90mm and brand new 92mm. possibly a 100mm if i'm not smokin something.
05-20-2008, 02:11 PM
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75mm is correct. The use anything different will require a new intake...the reducers put you right back where you started,,,75mm,,,if your wanting to increase your TB size,,do your intake as well, otherwise your just wasting your $
