1 day ago · I know that 330rwhp/381rwtq has been fueled using the stock pump, stock poppets, stock intake on a ported Vortec head 383/LT4 hotcam kit 97 ecab 2wd he has both engines as school now So now I'm confused the reason is, if the 91 305 heads are 4 bolts in center of valve cover the are what you call vortec heads,they have better flow Megasquirt controlling fuel and.
klipper set variable