is it missing or something else?

Slow5.0 said:
Had same problem here around 3000 at wot, it looks like I hit NOS button on mine, it pull hard, but thing go away :( , do you have bigger cam
no cam yet. maybe in the summer i can scrape up the money and time to put one in ...

the other thing i need to consider is what cam i can get with my heads. thumper said the springs are ok up to .500 lift is all.