1970camaroRS

iTrader: (8)

My question is, just how much power do you think I'm leaving on the table by running a stock LQ4/9 intake instead of forking over the bucketload of cash for a FAST, Edelbrock or Holley intake?

My setup is:
Stock LQ4 Shortblock
PRC stage 2.5 5.3L heads
Howards Cam grind 190325-15, 226/232, .629/.638 (with 1.85 rockers), 115.
SLP 1.85 rockers
Pacesetter long-tubes
3" x-pipe and Jones Maxflow 3" muffler and short pipes out the sides
Stock truck intake

I just can't see myself forking over so much cash if the stock intake, fuel rail, throttle body aren't too far off from the aftermarket intake.