e30 318is itb

this was done wile we were fine tuning the length for this itb setup. a lot of torque mid range was gained and still managed to also gain some peak power 161bhp@wheels 132lbft@wheels on this new setup avg power 5000/7300 went from 146bhp to @wheels m42b18 ported head stock valve train catcams 45mm at power itbs