[quote=“neonracer01,post:12,topic:29713"”]
i wouldnt have changed heads but i already had everything to bolt on and not have to buy anything else.
[/quote]
You didn’t have to change the heads…nor would you have had to buy anything extra by running the TBI heads…all you accomplished by changing them is you cost yourself a point or so of compression so the 305 will be slower yet.